Repository: go-kratos/kratos
Pull request #2082 (2022-06-06 18:39:26)

build(deps): bump github.com/hashicorp/consul/api from 1.12.0 to 1.13.0 in /contrib/config/consul
[//]: # (dependabot-start)
⚠️  **Dependabot is rebasing this PR** ⚠️ 

Rebasing might not happen immediately, so don't worry if this takes some time.

Note: if you make any changes to this PR yourself, they will take precedence over the rebase.

---

[//]: # (dependabot-end)

Bumps [github.com/hashicorp/consul/api](https://github.com/hashicorp/consul) from 1.12.0 to 1.13.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/hashicorp/consul/releases">github.com/hashicorp/consul/api's releases</a>.</em></p>
<blockquote>
<h2>v1.12.2</h2>
<h2>1.12.2 (June 3, 2022)</h2>
<p>BUG FIXES:</p>
<ul>
<li>kvs: Fixed a bug where query options were not being applied to KVS.Get RPC operations. [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/13344">GH-13344</a>]</li>
</ul>
<h2>v1.12.1</h2>
<h2>1.12.1 (May 25, 2022)</h2>
<p>FEATURES:</p>
<ul>
<li>xds: Add the ability to invoke AWS Lambdas through sidecar proxies. [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12956">GH-12956</a>]</li>
</ul>
<p>IMPROVEMENTS:</p>
<ul>
<li>config: introduce <code>telemetry.retry_failed_connection</code> in agent configuration to
retry on failed connection to any telemetry backend. This prevents the agent from
exiting if the given DogStatsD DNS name is unresolvable, for example. [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/13091">GH-13091</a>]</li>
<li>sentinel: <strong>(Enterprise Only)</strong> Sentinel now uses SHA256 to generate policy ids</li>
<li>xds: Envoy now inserts x-forwarded-client-cert for incoming proxy connections [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12878">GH-12878</a>]</li>
</ul>
<p>BUG FIXES:</p>
<ul>
<li>Fix a bug when configuring an <code>add_headers</code> directive named <code>Host</code> the header is not set for <code>v1/internal/ui/metrics-proxy/</code> endpoint. [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/13071">GH-13071</a>]</li>
<li>api: Fix a bug that causes partition to be ignored when creating a namespace [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12845">GH-12845</a>]</li>
<li>api: agent/self now returns version with +ent suffix for Enterprise Consul [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12961">GH-12961</a>]</li>
<li>areas: <strong>(Enterprise Only)</strong> Fixes a bug when using Yamux pool ( for servers version 1.7.3 and later), the entire pool was locked while connecting to a remote location, which could potentially take a long time. [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/1368">GH-1368</a>]</li>
<li>ca: fix a bug that caused a non blocking leaf cert query after a blocking leaf cert query to block [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12820">GH-12820</a>]</li>
<li>config: fix backwards compatibility bug where setting the (deprecated) top-level <code>verify_incoming</code> option would enable TLS client authentication on the gRPC port [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/13118">GH-13118</a>]</li>
<li>health: ensure /v1/health/service/:service endpoint returns the most recent results when a filter is used with streaming <a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12640">#12640</a> [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12640">GH-12640</a>]</li>
<li>snapshot-agent: <strong>(Enterprise only)</strong> Fix a bug where providing the ACL token to the snapshot agent via a CLI or ENV variable without a license configured results in an error during license auto-retrieval.</li>
<li>ui: Re-instate '...' icon for row actions [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/13183">GH-13183</a>]</li>
</ul>
<p>NOTES:</p>
<ul>
<li>ci: change action to pull v1 instead of main [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12846">GH-12846</a>]</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/hashicorp/consul/blob/main/CHANGELOG.md">github.com/hashicorp/consul/api's changelog</a>.</em></p>
<blockquote>
<h2>1.12.1 (May 25, 2022)</h2>
<p>FEATURES:</p>
<ul>
<li>xds: Add the ability to invoke AWS Lambdas through sidecar proxies. [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12956">GH-12956</a>]</li>
</ul>
<p>IMPROVEMENTS:</p>
<ul>
<li>config: introduce <code>telemetry.retry_failed_connection</code> in agent configuration to
retry on failed connection to any telemetry backend. This prevents the agent from
exiting if the given DogStatsD DNS name is unresolvable, for example. [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/13091">GH-13091</a>]</li>
<li>sentinel: <strong>(Enterprise Only)</strong> Sentinel now uses SHA256 to generate policy ids</li>
<li>xds: Envoy now inserts x-forwarded-client-cert for incoming proxy connections [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12878">GH-12878</a>]</li>
</ul>
<p>BUG FIXES:</p>
<ul>
<li>Fix a bug when configuring an <code>add_headers</code> directive named <code>Host</code> the header is not set for <code>v1/internal/ui/metrics-proxy/</code> endpoint. [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/13071">GH-13071</a>]</li>
<li>api: Fix a bug that causes partition to be ignored when creating a namespace [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12845">GH-12845</a>]</li>
<li>api: agent/self now returns version with +ent suffix for Enterprise Consul [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12961">GH-12961</a>]</li>
<li>areas: <strong>(Enterprise Only)</strong> Fixes a bug when using Yamux pool ( for servers version 1.7.3 and later), the entire pool was locked while connecting to a remote location, which could potentially take a long time. [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/1368">GH-1368</a>]</li>
<li>ca: fix a bug that caused a non blocking leaf cert query after a blocking leaf cert query to block [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12820">GH-12820</a>]</li>
<li>config: fix backwards compatibility bug where setting the (deprecated) top-level <code>verify_incoming</code> option would enable TLS client authentication on the gRPC port [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/13118">GH-13118</a>]</li>
<li>health: ensure /v1/health/service/:service endpoint returns the most recent results when a filter is used with streaming <a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12640">#12640</a> [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12640">GH-12640</a>]</li>
<li>snapshot-agent: <strong>(Enterprise only)</strong> Fix a bug where providing the ACL token to the snapshot agent via a CLI or ENV variable without a license configured results in an error during license auto-retrieval.</li>
<li>ui: Re-instate '...' icon for row actions [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/13183">GH-13183</a>]</li>
</ul>
<p>NOTES:</p>
<ul>
<li>ci: change action to pull v1 instead of main [<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12846">GH-12846</a>]</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/hashicorp/consul/commit/190d78000f0fc727a734ba02c308ea9dc27db32d"><code>190d780</code></a> backport of commit ade4201462d856c33a8495e0a859bccac57c5445 (<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/13319">#13319</a>)</li>
<li><a href="https://github.com/hashicorp/consul/commit/a0b027dc6b6d0748b8abe4c65c138c1c029984f9"><code>a0b027d</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/12948">#12948</a> from hashicorp/backport/ma/vault-namespace-intermed...</li>
<li><a href="https://github.com/hashicorp/consul/commit/0c2472aece29eb67885d9b78fd35020043843044"><code>0c2472a</code></a> Update website/content/docs/connect/ca/vault.mdx</li>
<li><a href="https://github.com/hashicorp/consul/commit/ffdb0fe12452fa50c3414b57ba2e6e23ccdd9359"><code>ffdb0fe</code></a> Update website/content/docs/connect/ca/vault.mdx</li>
<li><a href="https://github.com/hashicorp/consul/commit/b4afb04030108333c16c53f54af404570d93db6c"><code>b4afb04</code></a> Update website/content/docs/connect/ca/vault.mdx</li>
<li><a href="https://github.com/hashicorp/consul/commit/1a20885e0a57fd2362631e684d8fa7300b0c1855"><code>1a20885</code></a> backport of commit ec8b4124a3a5f07692fb8023f3a05d39c5035587 (<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/13289">#13289</a>)</li>
<li><a href="https://github.com/hashicorp/consul/commit/57706fd9442bf9223886d7faef7c45ddb1fb9247"><code>57706fd</code></a> backport of commit 07215e8065dd233f92b3955b895e64efae51f341 (<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/13287">#13287</a>)</li>
<li><a href="https://github.com/hashicorp/consul/commit/389af92edec99820d7137db58d56bbb0931b93f3"><code>389af92</code></a> Add changelog from 1.12.1 (<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/13242">#13242</a>)</li>
<li><a href="https://github.com/hashicorp/consul/commit/97ad06d72b8994eae61f26008d05a1bb666242fc"><code>97ad06d</code></a> Backport of ui: Typography update for view-only Intentions into release/1.12....</li>
<li><a href="https://github.com/hashicorp/consul/commit/20b757851835ebf91c3d8122b2c87f57f9d6589d"><code>20b7578</code></a> Backport of [CI-only] Support UBI images into release/1.12.x (<a href="https://github-redirect.dependabot.com/hashicorp/consul/issues/13254">#13254</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/hashicorp/consul/compare/v1.12.0...api/v1.13.0">compare view</a></li>
</ul>
</details>
<br />


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</details>


Patch:
diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 3fea4feb..4d65cdad 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -36,10 +36,11 @@ jobs:
           - "8848:8848"
           - "9848:9848"
       polaris:
-        image: houseme/polaris-server-with-config:latest
+        image: polarismesh/polaris-server-standalone:latest
         ports:
           - 8090:8090
           - 8091:8091
+          - 8093:8093
     steps:
       - uses: actions/checkout@v3
       - name: Set up Go
diff --git a/api/metadata/metadata.pb.go b/api/metadata/metadata.pb.go
index ce9b0157..11244ad9 100644
--- a/api/metadata/metadata.pb.go
+++ b/api/metadata/metadata.pb.go
@@ -1,8 +1,8 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
-// 	protoc        v3.17.3
-// source: metadata.proto
+// 	protoc-gen-go v1.28.0
+// 	protoc        v3.19.4
+// source: metadata/metadata.proto
 
 package metadata
 
@@ -31,7 +31,7 @@ type ListServicesRequest struct {
 func (x *ListServicesRequest) Reset() {
 	*x = ListServicesRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_metadata_proto_msgTypes[0]
+		mi := &file_metadata_metadata_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -44,7 +44,7 @@ func (x *ListServicesRequest) String() string {
 func (*ListServicesRequest) ProtoMessage() {}
 
 func (x *ListServicesRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_metadata_proto_msgTypes[0]
+	mi := &file_metadata_metadata_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -57,7 +57,7 @@ func (x *ListServicesRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListServicesRequest.ProtoReflect.Descriptor instead.
 func (*ListServicesRequest) Descriptor() ([]byte, []int) {
-	return file_metadata_proto_rawDescGZIP(), []int{0}
+	return file_metadata_metadata_proto_rawDescGZIP(), []int{0}
 }
 
 type ListServicesReply struct {
@@ -72,7 +72,7 @@ type ListServicesReply struct {
 func (x *ListServicesReply) Reset() {
 	*x = ListServicesReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_metadata_proto_msgTypes[1]
+		mi := &file_metadata_metadata_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -85,7 +85,7 @@ func (x *ListServicesReply) String() string {
 func (*ListServicesReply) ProtoMessage() {}
 
 func (x *ListServicesReply) ProtoReflect() protoreflect.Message {
-	mi := &file_metadata_proto_msgTypes[1]
+	mi := &file_metadata_metadata_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -98,7 +98,7 @@ func (x *ListServicesReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListServicesReply.ProtoReflect.Descriptor instead.
 func (*ListServicesReply) Descriptor() ([]byte, []int) {
-	return file_metadata_proto_rawDescGZIP(), []int{1}
+	return file_metadata_metadata_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *ListServicesReply) GetServices() []string {
@@ -126,7 +126,7 @@ type GetServiceDescRequest struct {
 func (x *GetServiceDescRequest) Reset() {
 	*x = GetServiceDescRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_metadata_proto_msgTypes[2]
+		mi := &file_metadata_metadata_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -139,7 +139,7 @@ func (x *GetServiceDescRequest) String() string {
 func (*GetServiceDescRequest) ProtoMessage() {}
 
 func (x *GetServiceDescRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_metadata_proto_msgTypes[2]
+	mi := &file_metadata_metadata_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -152,7 +152,7 @@ func (x *GetServiceDescRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetServiceDescRequest.ProtoReflect.Descriptor instead.
 func (*GetServiceDescRequest) Descriptor() ([]byte, []int) {
-	return file_metadata_proto_rawDescGZIP(), []int{2}
+	return file_metadata_metadata_proto_rawDescGZIP(), []int{2}
 }
 
 func (x *GetServiceDescRequest) GetName() string {
@@ -173,7 +173,7 @@ type GetServiceDescReply struct {
 func (x *GetServiceDescReply) Reset() {
 	*x = GetServiceDescReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_metadata_proto_msgTypes[3]
+		mi := &file_metadata_metadata_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -186,7 +186,7 @@ func (x *GetServiceDescReply) String() string {
 func (*GetServiceDescReply) ProtoMessage() {}
 
 func (x *GetServiceDescReply) ProtoReflect() protoreflect.Message {
-	mi := &file_metadata_proto_msgTypes[3]
+	mi := &file_metadata_metadata_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -199,7 +199,7 @@ func (x *GetServiceDescReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetServiceDescReply.ProtoReflect.Descriptor instead.
 func (*GetServiceDescReply) Descriptor() ([]byte, []int) {
-	return file_metadata_proto_rawDescGZIP(), []int{3}
+	return file_metadata_metadata_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *GetServiceDescReply) GetFileDescSet() *descriptorpb.FileDescriptorSet {
@@ -209,74 +209,74 @@ func (x *GetServiceDescReply) GetFileDescSet() *descriptorpb.FileDescriptorSet {
 	return nil
 }
 
-var File_metadata_proto protoreflect.FileDescriptor
-
-var file_metadata_proto_rawDesc = []byte{
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-	0x61, 0x70, 0x69, 0x50, 0x01, 0x5a, 0x3c, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f,
-	0x6d, 0x2f, 0x67, 0x6f, 0x2d, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x6b, 0x72, 0x61, 0x74,
-	0x6f, 0x73, 0x2f, 0x76, 0x32, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f,
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-	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+var File_metadata_metadata_proto protoreflect.FileDescriptor
+
+var file_metadata_metadata_proto_rawDesc = []byte{
+	0x0a, 0x17, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x2f, 0x6d, 0x65, 0x74, 0x61, 0x64,
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+	0x76, 0x69, 0x63, 0x65, 0x73, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x22, 0x49, 0x0a, 0x11,
+	0x4c, 0x69, 0x73, 0x74, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x73, 0x52, 0x65, 0x70, 0x6c,
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+	0x6d, 0x65, 0x74, 0x68, 0x6f, 0x64, 0x73, 0x22, 0x2b, 0x0a, 0x15, 0x47, 0x65, 0x74, 0x53, 0x65,
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+	0x12, 0x1f, 0x2e, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x4c, 0x69,
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+	0x69, 0x73, 0x74, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x73, 0x52, 0x65, 0x70, 0x6c, 0x79,
+	0x22, 0x11, 0x82, 0xd3, 0xe4, 0x93, 0x02, 0x0b, 0x12, 0x09, 0x2f, 0x73, 0x65, 0x72, 0x76, 0x69,
+	0x63, 0x65, 0x73, 0x12, 0x6e, 0x0a, 0x0e, 0x47, 0x65, 0x74, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63,
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+	0x63, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1f, 0x2e, 0x6b, 0x72, 0x61, 0x74, 0x6f,
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+	0x6d, 0x65, 0x7d, 0x42, 0x63, 0x0a, 0x15, 0x63, 0x6f, 0x6d, 0x2e, 0x67, 0x69, 0x74, 0x68, 0x75,
+	0x62, 0x2e, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2e, 0x61, 0x70, 0x69, 0x50, 0x01, 0x5a, 0x3c,
+	0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x2d, 0x6b, 0x72,
+	0x61, 0x74, 0x6f, 0x73, 0x2f, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x76, 0x32, 0x2f, 0x61,
+	0x70, 0x69, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f,
+	0x61, 0x70, 0x69, 0x3b, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0xa2, 0x02, 0x09, 0x4b,
+	0x72, 0x61, 0x74, 0x6f, 0x73, 0x41, 0x50, 0x49, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
-	file_metadata_proto_rawDescOnce sync.Once
-	file_metadata_proto_rawDescData = file_metadata_proto_rawDesc
+	file_metadata_metadata_proto_rawDescOnce sync.Once
+	file_metadata_metadata_proto_rawDescData = file_metadata_metadata_proto_rawDesc
 )
 
-func file_metadata_proto_rawDescGZIP() []byte {
-	file_metadata_proto_rawDescOnce.Do(func() {
-		file_metadata_proto_rawDescData = protoimpl.X.CompressGZIP(file_metadata_proto_rawDescData)
+func file_metadata_metadata_proto_rawDescGZIP() []byte {
+	file_metadata_metadata_proto_rawDescOnce.Do(func() {
+		file_metadata_metadata_proto_rawDescData = protoimpl.X.CompressGZIP(file_metadata_metadata_proto_rawDescData)
 	})
-	return file_metadata_proto_rawDescData
+	return file_metadata_metadata_proto_rawDescData
 }
 
-var file_metadata_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
-var file_metadata_proto_goTypes = []interface{}{
+var file_metadata_metadata_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_metadata_metadata_proto_goTypes = []interface{}{
 	(*ListServicesRequest)(nil),            // 0: kratos.api.ListServicesRequest
 	(*ListServicesReply)(nil),              // 1: kratos.api.ListServicesReply
 	(*GetServiceDescRequest)(nil),          // 2: kratos.api.GetServiceDescRequest
 	(*GetServiceDescReply)(nil),            // 3: kratos.api.GetServiceDescReply
 	(*descriptorpb.FileDescriptorSet)(nil), // 4: google.protobuf.FileDescriptorSet
 }
-var file_metadata_proto_depIdxs = []int32{
+var file_metadata_metadata_proto_depIdxs = []int32{
 	4, // 0: kratos.api.GetServiceDescReply.file_desc_set:type_name -> google.protobuf.FileDescriptorSet
 	0, // 1: kratos.api.Metadata.ListServices:input_type -> kratos.api.ListServicesRequest
 	2, // 2: kratos.api.Metadata.GetServiceDesc:input_type -> kratos.api.GetServiceDescRequest
@@ -289,13 +289,13 @@ var file_metadata_proto_depIdxs = []int32{
 	0, // [0:1] is the sub-list for field type_name
 }
 
-func init() { file_metadata_proto_init() }
-func file_metadata_proto_init() {
-	if File_metadata_proto != nil {
+func init() { file_metadata_metadata_proto_init() }
+func file_metadata_metadata_proto_init() {
+	if File_metadata_metadata_proto != nil {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_metadata_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+		file_metadata_metadata_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ListServicesRequest); i {
 			case 0:
 				return &v.state
@@ -307,7 +307,7 @@ func file_metadata_proto_init() {
 				return nil
 			}
 		}
-		file_metadata_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+		file_metadata_metadata_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ListServicesReply); i {
 			case 0:
 				return &v.state
@@ -319,7 +319,7 @@ func file_metadata_proto_init() {
 				return nil
 			}
 		}
-		file_metadata_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+		file_metadata_metadata_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GetServiceDescRequest); i {
 			case 0:
 				return &v.state
@@ -331,7 +331,7 @@ func file_metadata_proto_init() {
 				return nil
 			}
 		}
-		file_metadata_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+		file_metadata_metadata_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GetServiceDescReply); i {
 			case 0:
 				return &v.state
@@ -348,18 +348,18 @@ func file_metadata_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_metadata_proto_rawDesc,
+			RawDescriptor: file_metadata_metadata_proto_rawDesc,
 			NumEnums:      0,
 			NumMessages:   4,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
-		GoTypes:           file_metadata_proto_goTypes,
-		DependencyIndexes: file_metadata_proto_depIdxs,
-		MessageInfos:      file_metadata_proto_msgTypes,
+		GoTypes:           file_metadata_metadata_proto_goTypes,
+		DependencyIndexes: file_metadata_metadata_proto_depIdxs,
+		MessageInfos:      file_metadata_metadata_proto_msgTypes,
 	}.Build()
-	File_metadata_proto = out.File
-	file_metadata_proto_rawDesc = nil
-	file_metadata_proto_goTypes = nil
-	file_metadata_proto_depIdxs = nil
+	File_metadata_metadata_proto = out.File
+	file_metadata_metadata_proto_rawDesc = nil
+	file_metadata_metadata_proto_goTypes = nil
+	file_metadata_metadata_proto_depIdxs = nil
 }
diff --git a/api/metadata/metadata_grpc.pb.go b/api/metadata/metadata_grpc.pb.go
index c110fe06..1b3e6a5f 100644
--- a/api/metadata/metadata_grpc.pb.go
+++ b/api/metadata/metadata_grpc.pb.go
@@ -1,4 +1,8 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.19.4
+// source: metadata/metadata.proto
 
 package metadata
 
@@ -137,5 +141,5 @@ var Metadata_ServiceDesc = grpc.ServiceDesc{
 		},
 	},
 	Streams:  []grpc.StreamDesc{},
-	Metadata: "metadata.proto",
+	Metadata: "metadata/metadata.proto",
 }
diff --git a/api/metadata/metadata_http.pb.go b/api/metadata/metadata_http.pb.go
index c241e376..91636b48 100644
--- a/api/metadata/metadata_http.pb.go
+++ b/api/metadata/metadata_http.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-http. DO NOT EDIT.
 // versions:
-// protoc-gen-go-http v2.0.0
+// protoc-gen-go-http v2.3.0
 
 package metadata
 
diff --git a/api/metadata/server.go b/api/metadata/server.go
index c385066b..445ddeb6 100644
--- a/api/metadata/server.go
+++ b/api/metadata/server.go
@@ -8,6 +8,7 @@ import (
 	"io"
 	"sync"
 
+	"github.com/go-kratos/kratos/v2/log"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
@@ -160,7 +161,8 @@ func allDependency(fd *dpb.FileDescriptorProto) ([]*dpb.FileDescriptorProto, err
 	for _, dep := range fd.Dependency {
 		fdDep, err := fileDescriptorProto(dep)
 		if err != nil {
-			return nil, err
+			log.Warnf("%s", err)
+			continue
 		}
 		temp, err := allDependency(fdDep)
 		if err != nil {
@@ -188,7 +190,7 @@ func decompress(b []byte) ([]byte, error) {
 func fileDescriptorProto(path string) (*dpb.FileDescriptorProto, error) {
 	fd, err := protoregistry.GlobalFiles.FindFileByPath(path)
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("find proto by path failed, path: %s, err: %s", path, err)
 	}
 	fdpb := protodesc.ToFileDescriptorProto(fd)
 	return fdpb, nil
diff --git a/app.go b/app.go
index df992250..0a5afabc 100644
--- a/app.go
+++ b/app.go
@@ -116,15 +116,11 @@ func (a *App) Run() error {
 	c := make(chan os.Signal, 1)
 	signal.Notify(c, a.opts.sigs...)
 	eg.Go(func() error {
-		for {
-			select {
-			case <-ctx.Done():
-				return ctx.Err()
-			case <-c:
-				if err := a.Stop(); err != nil {
-					return err
-				}
-			}
+		select {
+		case <-ctx.Done():
+			return nil
+		case <-c:
+			return a.Stop()
 		}
 	})
 	if err := eg.Wait(); err != nil && !errors.Is(err, context.Canceled) {
diff --git a/cmd/kratos/internal/base/repo.go b/cmd/kratos/internal/base/repo.go
index cd7b650f..55b12ac0 100644
--- a/cmd/kratos/internal/base/repo.go
+++ b/cmd/kratos/internal/base/repo.go
@@ -77,10 +77,10 @@ func (r *Repo) Pull(ctx context.Context) error {
 	cmd = exec.CommandContext(ctx, "git", "pull")
 	cmd.Dir = r.Path()
 	out, err := cmd.CombinedOutput()
+	fmt.Println(string(out))
 	if err != nil {
 		return err
 	}
-	fmt.Println(string(out))
 	return err
 }
 
@@ -96,10 +96,10 @@ func (r *Repo) Clone(ctx context.Context) error {
 		cmd = exec.CommandContext(ctx, "git", "clone", "-b", r.branch, r.url, r.Path())
 	}
 	out, err := cmd.CombinedOutput()
+	fmt.Println(string(out))
 	if err != nil {
 		return err
 	}
-	fmt.Println(string(out))
 	return nil
 }
 
diff --git a/cmd/kratos/internal/proto/add/add.go b/cmd/kratos/internal/proto/add/add.go
index 5173e6d1..626b5db2 100644
--- a/cmd/kratos/internal/proto/add/add.go
+++ b/cmd/kratos/internal/proto/add/add.go
@@ -7,6 +7,8 @@ import (
 
 	"github.com/spf13/cobra"
 	"golang.org/x/mod/modfile"
+	"golang.org/x/text/cases"
+	"golang.org/x/text/language"
 )
 
 // CmdAdd represents the add command.
@@ -63,7 +65,11 @@ func javaPackage(name string) string {
 }
 
 func serviceName(name string) string {
-	return export(strings.Split(name, ".")[0])
+	return toUpperCamelCase(strings.Split(name, ".")[0])
 }
 
-func export(s string) string { return strings.ToUpper(s[:1]) + s[1:] }
+func toUpperCamelCase(s string) string {
+	s = strings.ReplaceAll(s, "_", " ")
+	s = cases.Title(language.Und, cases.NoLower).String(s)
+	return strings.ReplaceAll(s, " ", "")
+}
diff --git a/cmd/kratos/internal/proto/proto.go b/cmd/kratos/internal/proto/proto.go
index c23e5a83..4b9c858b 100644
--- a/cmd/kratos/internal/proto/proto.go
+++ b/cmd/kratos/internal/proto/proto.go
@@ -13,7 +13,6 @@ var CmdProto = &cobra.Command{
 	Use:   "proto",
 	Short: "Generate the proto files",
 	Long:  "Generate the proto files.",
-	Run:   run,
 }
 
 func init() {
@@ -21,6 +20,3 @@ func init() {
 	CmdProto.AddCommand(client.CmdClient)
 	CmdProto.AddCommand(server.CmdServer)
 }
-
-func run(cmd *cobra.Command, args []string) {
-}
diff --git a/cmd/kratos/internal/proto/server/server.go b/cmd/kratos/internal/proto/server/server.go
index 0ac7355f..dcc19790 100644
--- a/cmd/kratos/internal/proto/server/server.go
+++ b/cmd/kratos/internal/proto/server/server.go
@@ -7,15 +7,10 @@ import (
 	"path"
 	"strings"
 
-	"golang.org/x/text/cases"
-	"golang.org/x/text/language"
-
 	"github.com/emicklei/proto"
 	"github.com/spf13/cobra"
 )
 
-var caser = cases.Title(language.English)
-
 // CmdServer the service command.
 var CmdServer = &cobra.Command{
 	Use:   "server",
@@ -67,7 +62,7 @@ func run(cmd *cobra.Command, args []string) {
 					continue
 				}
 				cs.Methods = append(cs.Methods, &Method{
-					Service: s.Name, Name: caser.String(r.Name), Request: r.RequestType,
+					Service: s.Name, Name: ucFirst(r.Name), Request: r.RequestType,
 					Reply: r.ReturnsType, Type: getMethodType(r.StreamsRequest, r.StreamsReturns),
 				})
 			}
@@ -107,3 +102,11 @@ func getMethodType(streamsRequest, streamsReturns bool) MethodType {
 	}
 	return unaryType
 }
+
+func ucFirst(str string) string {
+	if str == "" {
+		return ""
+	}
+
+	return strings.ToUpper(str[:1]) + str[1:]
+}
diff --git a/cmd/kratos/internal/proto/server/template.go b/cmd/kratos/internal/proto/server/template.go
index 1d60ebba..732947ae 100644
--- a/cmd/kratos/internal/proto/server/template.go
+++ b/cmd/kratos/internal/proto/server/template.go
@@ -5,6 +5,7 @@ import (
 	"html/template"
 )
 
+//nolint:lll
 var serviceTemplate = `
 {{- /* delete empty line */ -}}
 package service
@@ -34,8 +35,7 @@ func New{{ .Service }}Service() *{{ .Service }}Service {
 {{- $s1 := "google.protobuf.Empty" }}
 {{ range .Methods }}
 {{- if eq .Type 1 }}
-func (s *{{ .Service }}Service) {{ .Name }}(ctx context.Context, req {{ if eq .Request $s1 }}*emptypb.Empty
-{{ else }}*pb.{{ .Request }}{{ end }}) ({{ if eq .Reply $s1 }}*emptypb.Empty{{ else }}*pb.{{ .Reply }}{{ end }}, error) {
+func (s *{{ .Service }}Service) {{ .Name }}(ctx context.Context, req {{ if eq .Request $s1 }}*emptypb.Empty{{ else }}*pb.{{ .Request }}{{ end }}) ({{ if eq .Reply $s1 }}*emptypb.Empty{{ else }}*pb.{{ .Reply }}{{ end }}, error) {
 	return {{ if eq .Reply $s1 }}&emptypb.Empty{}{{ else }}&pb.{{ .Reply }}{}{{ end }}, nil
 }
 
diff --git a/cmd/protoc-gen-go-http/http.go b/cmd/protoc-gen-go-http/http.go
index fca4a63c..3eb91c06 100644
--- a/cmd/protoc-gen-go-http/http.go
+++ b/cmd/protoc-gen-go-http/http.go
@@ -31,7 +31,13 @@ func generateFile(gen *protogen.Plugin, file *protogen.File, omitempty bool) *pr
 	g := gen.NewGeneratedFile(filename, file.GoImportPath)
 	g.P("// Code generated by protoc-gen-go-http. DO NOT EDIT.")
 	g.P("// versions:")
-	g.P(fmt.Sprintf("// protoc-gen-go-http %s", release))
+	g.P(fmt.Sprintf("// - protoc-gen-go-http %s", release))
+	g.P("// - protoc             ", protocVersion(gen))
+	if file.Proto.GetOptions().GetDeprecated() {
+		g.P("// ", file.Desc.Path(), " is a deprecated file.")
+	} else {
+		g.P("// source: ", file.Desc.Path())
+	}
 	g.P()
 	g.P("package ", file.GoPackageName)
 	g.P()
@@ -301,4 +307,16 @@ func isASCIIDigit(c byte) bool {
 	return '0' <= c && c <= '9'
 }
 
+func protocVersion(gen *protogen.Plugin) string {
+	v := gen.Request.GetCompilerVersion()
+	if v == nil {
+		return "(unknown)"
+	}
+	var suffix string
+	if s := v.GetSuffix(); s != "" {
+		suffix = "-" + s
+	}
+	return fmt.Sprintf("v%d.%d.%d%s", v.GetMajor(), v.GetMinor(), v.GetPatch(), suffix)
+}
+
 const deprecationComment = "// Deprecated: Do not use."
diff --git a/cmd/protoc-gen-go-http/template.go b/cmd/protoc-gen-go-http/template.go
index d2ffcd41..79421085 100644
--- a/cmd/protoc-gen-go-http/template.go
+++ b/cmd/protoc-gen-go-http/template.go
@@ -9,6 +9,11 @@ import (
 var httpTemplate = `
 {{$svrType := .ServiceType}}
 {{$svrName := .ServiceName}}
+
+{{- range .MethodSets}}
+const Operation{{$svrType}}{{.OriginalName}} = "/{{$svrName}}/{{.OriginalName}}"
+{{- end}}
+
 type {{.ServiceType}}HTTPServer interface {
 {{- range .MethodSets}}
 	{{.Name}}(context.Context, *{{.Request}}) (*{{.Reply}}, error)
@@ -46,7 +51,7 @@ func _{{$svrType}}_{{.Name}}{{.Num}}_HTTP_Handler(srv {{$svrType}}HTTPServer) fu
 			return err
 		}
 		{{- end}}
-		http.SetOperation(ctx,"/{{$svrName}}/{{.OriginalName}}")
+		http.SetOperation(ctx,Operation{{$svrType}}{{.OriginalName}})
 		h := ctx.Middleware(func(ctx context.Context, req interface{}) (interface{}, error) {
 			return srv.{{.Name}}(ctx, req.(*{{.Request}}))
 		})
@@ -79,7 +84,7 @@ func (c *{{$svrType}}HTTPClientImpl) {{.Name}}(ctx context.Context, in *{{.Reque
 	var out {{.Reply}}
 	pattern := "{{.Path}}"
 	path := binding.EncodeURL(pattern, in, {{not .HasBody}})
-	opts = append(opts, http.Operation("/{{$svrName}}/{{.OriginalName}}"))
+	opts = append(opts, http.Operation(Operation{{$svrType}}{{.OriginalName}}))
 	opts = append(opts, http.PathTemplate(pattern))
 	{{if .HasBody -}}
 	err := c.cc.Invoke(ctx, "{{.Method}}", path, in{{.Body}}, &out{{.ResponseBody}}, opts...)
diff --git a/contrib/config/apollo/apollo.go b/contrib/config/apollo/apollo.go
index 0d3b975e..a0a38b02 100644
--- a/contrib/config/apollo/apollo.go
+++ b/contrib/config/apollo/apollo.go
@@ -4,7 +4,6 @@ import (
 	"strings"
 
 	"github.com/go-kratos/kratos/v2/config"
-	"github.com/go-kratos/kratos/v2/encoding"
 	"github.com/go-kratos/kratos/v2/log"
 
 	"github.com/apolloconfig/agollo/v4"
@@ -104,61 +103,9 @@ func NewSource(opts ...Option) config.Source {
 	if err != nil {
 		panic(err)
 	}
-
 	return &apollo{client: client, opt: &op}
 }
 
-// genKey got the key of config.KeyValue pair.
-// eg: namespace.ext with subKey got namespace.subKey
-func genKey(ns, sub string) string {
-	arr := strings.Split(ns, ".")
-	if len(arr) < 1 {
-		return sub
-	}
-
-	if len(arr) == 1 {
-		if ns == "" {
-			return sub
-		}
-		return ns + "." + sub
-	}
-
-	return strings.Join(arr[:len(arr)-1], ".") + "." + sub
-}
-
-// resolve convert kv pair into one map[string]interface{} by split key into different
-// map level. such as: app.name = "application" => map[app][name] = "application"
-func resolve(key string, value interface{}, target map[string]interface{}) {
-	// expand key "aaa.bbb" into map[aaa]map[bbb]interface{}
-	keys := strings.Split(key, ".")
-	last := len(keys) - 1
-	cursor := target
-
-	for i, k := range keys {
-		if i == last {
-			cursor[k] = value
-			break
-		}
-
-		// not the last key, be deeper
-		v, ok := cursor[k]
-		if !ok {
-			// create a new map
-			deeper := make(map[string]interface{})
-			cursor[k] = deeper
-			cursor = deeper
-			continue
-		}
-
-		// current exists, then check existing value type, if it's not map
-		// that means duplicate keys, and at least one is not map instance.
-		if cursor, ok = v.(map[string]interface{}); !ok {
-			log.Warnf("duplicate key: %v\n", strings.Join(keys[:i+1], "."))
-			break
-		}
-	}
-}
-
 func format(ns string) string {
 	arr := strings.Split(ns, ".")
 	if len(arr) <= 1 {
@@ -173,26 +120,15 @@ func (e *apollo) load() []*config.KeyValue {
 	namespaces := strings.Split(e.opt.namespace, ",")
 
 	for _, ns := range namespaces {
-		next := map[string]interface{}{}
-		e.client.GetConfigCache(ns).Range(func(key, value interface{}) bool {
-			// all values are out properties format
-			resolve(genKey(ns, key.(string)), value, next)
-			return true
-		})
-
-		// serialize the namespace content KeyValue into bytes.
-		f := format(ns)
-		codec := encoding.GetCodec(f)
-		val, err := codec.Marshal(next)
+		value, err := e.client.GetConfigCache(ns).Get("content")
 		if err != nil {
-			log.Warnf("apollo could not handle namespace %s: %v", ns, err)
-			continue
+			log.Warnw("apollo get config failed", "err", err)
 		}
-
+		// serialize the namespace content KeyValue into bytes.
 		kv = append(kv, &config.KeyValue{
 			Key:    ns,
-			Value:  val,
-			Format: f,
+			Value:  []byte(value.(string)),
+			Format: format(ns),
 		})
 	}
 
diff --git a/contrib/config/apollo/parser.go b/contrib/config/apollo/parser.go
index e5a3cb8e..a449256f 100644
--- a/contrib/config/apollo/parser.go
+++ b/contrib/config/apollo/parser.go
@@ -1,10 +1,6 @@
 package apollo
 
 import (
-	"encoding/json"
-
-	"gopkg.in/yaml.v3"
-
 	"github.com/apolloconfig/agollo/v4/constant"
 	"github.com/apolloconfig/agollo/v4/extension"
 )
@@ -12,25 +8,13 @@ import (
 type jsonExtParser struct{}
 
 func (parser jsonExtParser) Parse(configContent interface{}) (map[string]interface{}, error) {
-	v, ok := configContent.(string)
-	if !ok {
-		return nil, nil
-	}
-	out := make(map[string]interface{}, 4)
-	err := json.Unmarshal([]byte(v), &out)
-	return out, err
+	return map[string]interface{}{"content": configContent}, nil
 }
 
 type yamlExtParser struct{}
 
 func (parser yamlExtParser) Parse(configContent interface{}) (out map[string]interface{}, err error) {
-	v, ok := configContent.(string)
-	if !ok {
-		return nil, nil
-	}
-	out = make(map[string]interface{}, 4)
-	err = yaml.Unmarshal([]byte(v), &out)
-	return
+	return map[string]interface{}{"content": configContent}, nil
 }
 
 func init() {
diff --git a/contrib/config/apollo/watcher.go b/contrib/config/apollo/watcher.go
index cd6a4178..8c039005 100644
--- a/contrib/config/apollo/watcher.go
+++ b/contrib/config/apollo/watcher.go
@@ -4,40 +4,33 @@ import (
 	"context"
 
 	"github.com/go-kratos/kratos/v2/config"
-	"github.com/go-kratos/kratos/v2/encoding"
 	"github.com/go-kratos/kratos/v2/log"
 
 	"github.com/apolloconfig/agollo/v4/storage"
 )
 
 type watcher struct {
-	out      <-chan []*config.KeyValue
+	out <-chan []*config.KeyValue
+
+	ctx      context.Context
 	cancelFn func()
 }
 
 type customChangeListener struct {
-	in chan<- []*config.KeyValue
+	in     chan<- []*config.KeyValue
+	apollo *apollo
 }
 
 func (c *customChangeListener) onChange(namespace string, changes map[string]*storage.ConfigChange) []*config.KeyValue {
 	kv := make([]*config.KeyValue, 0, 2)
-	next := make(map[string]interface{})
-
-	for key, change := range changes {
-		resolve(genKey(namespace, key), change.NewValue, next)
-	}
-
-	f := format(namespace)
-	codec := encoding.GetCodec(f)
-	val, err := codec.Marshal(next)
+	value, err := c.apollo.client.GetConfigCache(namespace).Get("content")
 	if err != nil {
-		log.Warnf("apollo could not handle namespace %s: %v", namespace, err)
-		return nil
+		log.Warnw("apollo get config failed", "err", err)
 	}
 	kv = append(kv, &config.KeyValue{
 		Key:    namespace,
-		Value:  val,
-		Format: f,
+		Value:  []byte(value.(string)),
+		Format: format(namespace),
 	})
 
 	return kv
@@ -56,30 +49,34 @@ func (c *customChangeListener) OnNewestChange(changeEvent *storage.FullChangeEve
 
 func newWatcher(a *apollo) (config.Watcher, error) {
 	changeCh := make(chan []*config.KeyValue)
-	listener := &customChangeListener{in: changeCh}
+	listener := &customChangeListener{in: changeCh, apollo: a}
 	a.client.AddChangeListener(listener)
+
+	ctx, cancel := context.WithCancel(context.Background())
 	return &watcher{
 		out: changeCh,
+
+		ctx: ctx,
 		cancelFn: func() {
 			a.client.RemoveChangeListener(listener)
-			close(changeCh)
+			cancel()
 		},
 	}, nil
 }
 
 // Next will be blocked until the Stop method is called
 func (w *watcher) Next() ([]*config.KeyValue, error) {
-	kv, ok := <-w.out
-	if !ok {
-		return nil, context.Canceled
+	select {
+	case kv := <-w.out:
+		return kv, nil
+	case <-w.ctx.Done():
+		return nil, w.ctx.Err()
 	}
-	return kv, nil
 }
 
 func (w *watcher) Stop() error {
 	if w.cancelFn != nil {
 		w.cancelFn()
 	}
-
 	return nil
 }
diff --git a/contrib/config/consul/go.mod b/contrib/config/consul/go.mod
index 48fe75ed..6a0d984a 100644
--- a/contrib/config/consul/go.mod
+++ b/contrib/config/consul/go.mod
@@ -4,7 +4,7 @@ go 1.15
 
 require (
 	github.com/go-kratos/kratos/v2 v2.3.1
-	github.com/hashicorp/consul/api v1.12.0
+	github.com/hashicorp/consul/api v1.13.0
 )
 
 replace github.com/go-kratos/kratos/v2 => ../../../
diff --git a/contrib/config/consul/go.sum b/contrib/config/consul/go.sum
index 69f5d5bd..758fdcb1 100644
--- a/contrib/config/consul/go.sum
+++ b/contrib/config/consul/go.sum
@@ -70,8 +70,8 @@ github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
-github.com/hashicorp/consul/api v1.12.0 h1:k3y1FYv6nuKyNTqj6w9gXOx5r5CfLj/k/euUeBXj1OY=
-github.com/hashicorp/consul/api v1.12.0/go.mod h1:6pVBMo0ebnYdt2S3H87XhekM/HHrUoTD2XXb/VrZVy0=
+github.com/hashicorp/consul/api v1.13.0 h1:2hnLQ0GjQvw7f3O61jMO8gbasZviZTrt9R8WzgiirHc=
+github.com/hashicorp/consul/api v1.13.0/go.mod h1:ZlVrynguJKcYr54zGaDbaL3fOvKC9m72FhPvA8T35KQ=
 github.com/hashicorp/consul/sdk v0.8.0 h1:OJtKBtEjboEZvG6AOUdh4Z1Zbyu0WcxQ0qatRrZHTVU=
 github.com/hashicorp/consul/sdk v0.8.0/go.mod h1:GBvyrGALthsZObzUGsfgHZQDXjg4lOjagTIwIR1vPms=
 github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/UYA=
diff --git a/contrib/config/consul/watcher.go b/contrib/config/consul/watcher.go
index 1223ffc9..baee9ef6 100644
--- a/contrib/config/consul/watcher.go
+++ b/contrib/config/consul/watcher.go
@@ -1,16 +1,20 @@
 package consul
 
 import (
+	"context"
+
 	"github.com/go-kratos/kratos/v2/config"
 	"github.com/hashicorp/consul/api"
 	"github.com/hashicorp/consul/api/watch"
 )
 
 type watcher struct {
-	source    *source
-	ch        chan interface{}
-	closeChan chan struct{}
-	wp        *watch.Plan
+	source *source
+	ch     chan interface{}
+	wp     *watch.Plan
+
+	ctx    context.Context
+	cancel context.CancelFunc
 }
 
 func (w *watcher) handle(idx uint64, data interface{}) {
@@ -27,10 +31,13 @@ func (w *watcher) handle(idx uint64, data interface{}) {
 }
 
 func newWatcher(s *source) (*watcher, error) {
+	ctx, cancel := context.WithCancel(context.Background())
 	w := &watcher{
-		source:    s,
-		ch:        make(chan interface{}),
-		closeChan: make(chan struct{}),
+		source: s,
+		ch:     make(chan interface{}),
+
+		ctx:    ctx,
+		cancel: cancel,
 	}
 
 	wp, err := watch.Parse(map[string]interface{}{"type": "keyprefix", "prefix": s.options.path})
@@ -54,18 +61,15 @@ func newWatcher(s *source) (*watcher, error) {
 
 func (w *watcher) Next() ([]*config.KeyValue, error) {
 	select {
-	case _, ok := <-w.ch:
-		if !ok {
-			return nil, nil
-		}
+	case <-w.ch:
 		return w.source.Load()
-	case <-w.closeChan:
-		return nil, nil
+	case <-w.ctx.Done():
+		return nil, w.ctx.Err()
 	}
 }
 
 func (w *watcher) Stop() error {
 	w.wp.Stop()
-	close(w.closeChan)
+	w.cancel()
 	return nil
 }
diff --git a/contrib/config/etcd/watcher.go b/contrib/config/etcd/watcher.go
index 6a2d8cce..388c2dd8 100644
--- a/contrib/config/etcd/watcher.go
+++ b/contrib/config/etcd/watcher.go
@@ -1,20 +1,26 @@
 package etcd
 
 import (
+	"context"
+
 	"github.com/go-kratos/kratos/v2/config"
 	clientv3 "go.etcd.io/etcd/client/v3"
 )
 
 type watcher struct {
-	source    *source
-	ch        clientv3.WatchChan
-	closeChan chan struct{}
+	source *source
+	ch     clientv3.WatchChan
+
+	ctx    context.Context
+	cancel context.CancelFunc
 }
 
 func newWatcher(s *source) *watcher {
+	ctx, cancel := context.WithCancel(context.Background())
 	w := &watcher{
-		source:    s,
-		closeChan: make(chan struct{}),
+		source: s,
+		ctx:    ctx,
+		cancel: cancel,
 	}
 
 	var opts []clientv3.OpOption
@@ -26,19 +32,19 @@ func newWatcher(s *source) *watcher {
 	return w
 }
 
-func (s *watcher) Next() ([]*config.KeyValue, error) {
+func (w *watcher) Next() ([]*config.KeyValue, error) {
 	select {
-	case _, ok := <-s.ch:
-		if !ok {
-			return nil, nil
+	case resp := <-w.ch:
+		if resp.Err() != nil {
+			return nil, resp.Err()
 		}
-		return s.source.Load()
-	case <-s.closeChan:
-		return nil, nil
+		return w.source.Load()
+	case <-w.ctx.Done():
+		return nil, w.ctx.Err()
 	}
 }
 
-func (s *watcher) Stop() error {
-	close(s.closeChan)
+func (w *watcher) Stop() error {
+	w.cancel()
 	return nil
 }
diff --git a/contrib/config/kubernetes/go.mod b/contrib/config/kubernetes/go.mod
index db846f9c..c4c0d82d 100644
--- a/contrib/config/kubernetes/go.mod
+++ b/contrib/config/kubernetes/go.mod
@@ -4,9 +4,9 @@ go 1.16
 
 require (
 	github.com/go-kratos/kratos/v2 v2.3.1
-	k8s.io/api v0.24.1
-	k8s.io/apimachinery v0.24.1
-	k8s.io/client-go v0.24.1
+	k8s.io/api v0.24.2
+	k8s.io/apimachinery v0.24.2
+	k8s.io/client-go v0.24.2
 )
 
 replace github.com/go-kratos/kratos/v2 => ../../../
diff --git a/contrib/config/kubernetes/go.sum b/contrib/config/kubernetes/go.sum
index ad234674..138314b9 100644
--- a/contrib/config/kubernetes/go.sum
+++ b/contrib/config/kubernetes/go.sum
@@ -652,12 +652,12 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-k8s.io/api v0.24.1 h1:BjCMRDcyEYz03joa3K1+rbshwh1Ay6oB53+iUx2H8UY=
-k8s.io/api v0.24.1/go.mod h1:JhoOvNiLXKTPQ60zh2g0ewpA+bnEYf5q44Flhquh4vQ=
-k8s.io/apimachinery v0.24.1 h1:ShD4aDxTQKN5zNf8K1RQ2u98ELLdIW7jEnlO9uAMX/I=
-k8s.io/apimachinery v0.24.1/go.mod h1:82Bi4sCzVBdpYjyI4jY6aHX+YCUchUIrZrXKedjd2UM=
-k8s.io/client-go v0.24.1 h1:w1hNdI9PFrzu3OlovVeTnf4oHDt+FJLd9Ndluvnb42E=
-k8s.io/client-go v0.24.1/go.mod h1:f1kIDqcEYmwXS/vTbbhopMUbhKp2JhOeVTfxgaCIlF8=
+k8s.io/api v0.24.2 h1:g518dPU/L7VRLxWfcadQn2OnsiGWVOadTLpdnqgY2OI=
+k8s.io/api v0.24.2/go.mod h1:AHqbSkTm6YrQ0ObxjO3Pmp/ubFF/KuM7jU+3khoBsOg=
+k8s.io/apimachinery v0.24.2 h1:5QlH9SL2C8KMcrNJPor+LbXVTaZRReml7svPEh4OKDM=
+k8s.io/apimachinery v0.24.2/go.mod h1:82Bi4sCzVBdpYjyI4jY6aHX+YCUchUIrZrXKedjd2UM=
+k8s.io/client-go v0.24.2 h1:CoXFSf8if+bLEbinDqN9ePIDGzcLtqhfd6jpfnwGOFA=
+k8s.io/client-go v0.24.2/go.mod h1:zg4Xaoo+umDsfCWr4fCnmLEtQXyCNXCvJuSsglNcV30=
 k8s.io/gengo v0.0.0-20210813121822-485abfe95c7c/go.mod h1:FiNAH4ZV3gBg2Kwh89tzAEV2be7d5xI0vBa/VySYy3E=
 k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE=
 k8s.io/klog/v2 v2.2.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=
diff --git a/contrib/config/nacos/config.go b/contrib/config/nacos/config.go
index ee07e411..c234817c 100644
--- a/contrib/config/nacos/config.go
+++ b/contrib/config/nacos/config.go
@@ -4,28 +4,18 @@ import (
 	"context"
 	"path/filepath"
 	"strings"
-	"time"
 
-	"github.com/go-kratos/kratos/v2/config"
 	"github.com/nacos-group/nacos-sdk-go/clients/config_client"
 	"github.com/nacos-group/nacos-sdk-go/vo"
+
+	"github.com/go-kratos/kratos/v2/config"
 )
 
 type Option func(*options)
 
 type options struct {
-	endpoint string // nolint:structcheck,unused
-
-	namespaceID string // nolint:structcheck,unused
-
 	group  string
 	dataID string
-
-	timeoutMs uint64
-	logLevel  string
-
-	logDir   string
-	cacheDir string
 }
 
 // WithGroup With nacos config group.
@@ -42,34 +32,6 @@ func WithDataID(dataID string) Option {
 	}
 }
 
-// WithLogDir With nacos config group.
-func WithLogDir(logDir string) Option {
-	return func(o *options) {
-		o.logDir = logDir
-	}
-}
-
-// WithCacheDir With nacos config cache dir.
-func WithCacheDir(cacheDir string) Option {
-	return func(o *options) {
-		o.cacheDir = cacheDir
-	}
-}
-
-// WithLogLevel With nacos config log level.
-func WithLogLevel(logLevel string) Option {
-	return func(o *options) {
-		o.logLevel = logLevel
-	}
-}
-
-// WithTimeout With nacos config timeout.
-func WithTimeout(time time.Duration) Option {
-	return func(o *options) {
-		o.timeoutMs = uint64(time.Milliseconds())
-	}
-}
-
 type Config struct {
 	opts   options
 	client config_client.IConfigClient
@@ -106,7 +68,7 @@ func (c *Config) Watch() (config.Watcher, error) {
 	err := c.client.ListenConfig(vo.ConfigParam{
 		DataId: c.opts.dataID,
 		Group:  c.opts.group,
-		OnChange: func(namespace, group, dataId, data string) {
+		OnChange: func(_, group, dataId, data string) {
 			if dataId == watcher.dataID && group == watcher.group {
 				watcher.content <- data
 			}
@@ -117,56 +79,3 @@ func (c *Config) Watch() (config.Watcher, error) {
 	}
 	return watcher, nil
 }
-
-type Watcher struct {
-	context.Context
-	dataID             string
-	group              string
-	content            chan string
-	cancelListenConfig cancelListenConfigFunc
-	cancel             context.CancelFunc
-}
-
-type cancelListenConfigFunc func(params vo.ConfigParam) (err error)
-
-func newWatcher(ctx context.Context, dataID string, group string, cancelListenConfig cancelListenConfigFunc) *Watcher {
-	w := &Watcher{
-		dataID:             dataID,
-		group:              group,
-		cancelListenConfig: cancelListenConfig,
-		content:            make(chan string, 100),
-	}
-	ctx, cancel := context.WithCancel(ctx)
-	w.Context = ctx
-	w.cancel = cancel
-	return w
-}
-
-func (w *Watcher) Next() ([]*config.KeyValue, error) {
-	select {
-	case <-w.Context.Done():
-		return nil, nil
-	case content := <-w.content:
-		k := w.dataID
-		return []*config.KeyValue{
-			{
-				Key:    k,
-				Value:  []byte(content),
-				Format: strings.TrimPrefix(filepath.Ext(k), "."),
-			},
-		}, nil
-	}
-}
-
-func (w *Watcher) Close() error {
-	err := w.cancelListenConfig(vo.ConfigParam{
-		DataId: w.dataID,
-		Group:  w.group,
-	})
-	w.cancel()
-	return err
-}
-
-func (w *Watcher) Stop() error {
-	return w.Close()
-}
diff --git a/contrib/config/nacos/go.mod b/contrib/config/nacos/go.mod
index c77f6657..825f993e 100644
--- a/contrib/config/nacos/go.mod
+++ b/contrib/config/nacos/go.mod
@@ -5,7 +5,7 @@ go 1.16
 require (
 	github.com/go-kratos/kratos/v2 v2.3.1
 	github.com/nacos-group/nacos-sdk-go v1.0.9
-	gopkg.in/yaml.v3 v3.0.1
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
 replace github.com/go-kratos/kratos/v2 => ../../../
diff --git a/contrib/config/nacos/watcher.go b/contrib/config/nacos/watcher.go
new file mode 100644
index 00000000..e190b688
--- /dev/null
+++ b/contrib/config/nacos/watcher.go
@@ -0,0 +1,65 @@
+package config
+
+import (
+	"context"
+	"path/filepath"
+	"strings"
+
+	"github.com/go-kratos/kratos/v2/config"
+	"github.com/nacos-group/nacos-sdk-go/vo"
+)
+
+type Watcher struct {
+	dataID             string
+	group              string
+	content            chan string
+	cancelListenConfig cancelListenConfigFunc
+
+	ctx    context.Context
+	cancel context.CancelFunc
+}
+
+type cancelListenConfigFunc func(params vo.ConfigParam) (err error)
+
+func newWatcher(ctx context.Context, dataID string, group string, cancelListenConfig cancelListenConfigFunc) *Watcher {
+	ctx, cancel := context.WithCancel(ctx)
+	w := &Watcher{
+		dataID:             dataID,
+		group:              group,
+		cancelListenConfig: cancelListenConfig,
+		content:            make(chan string, 100),
+
+		ctx:    ctx,
+		cancel: cancel,
+	}
+	return w
+}
+
+func (w *Watcher) Next() ([]*config.KeyValue, error) {
+	select {
+	case <-w.ctx.Done():
+		return nil, w.ctx.Err()
+	case content := <-w.content:
+		k := w.dataID
+		return []*config.KeyValue{
+			{
+				Key:    k,
+				Value:  []byte(content),
+				Format: strings.TrimPrefix(filepath.Ext(k), "."),
+			},
+		}, nil
+	}
+}
+
+func (w *Watcher) Close() error {
+	err := w.cancelListenConfig(vo.ConfigParam{
+		DataId: w.dataID,
+		Group:  w.group,
+	})
+	w.cancel()
+	return err
+}
+
+func (w *Watcher) Stop() error {
+	return w.Close()
+}
diff --git a/contrib/config/polaris/README.md b/contrib/config/polaris/README.md
new file mode 100644
index 00000000..4c2694c4
--- /dev/null
+++ b/contrib/config/polaris/README.md
@@ -0,0 +1,25 @@
+# Polaris Config
+
+```go
+import (
+ "log"
+
+ "github.com/polarismesh/polaris-go"
+ "github.com/go-kratos/kratos/contrib/config/polaris/v2"
+)
+
+func main() {
+
+ configApi, err := polaris.NewConfigAPI()
+ if err != nil {
+  log.Fatalln(err)
+ }
+
+ source, err := New(&configApi, WithNamespace("default"), WithFileGroup("default"), WithFileName("default.yaml"))
+
+ if err != nil {
+  log.Fatalln(err)
+ }
+ source.Load()
+}
+```
diff --git a/contrib/config/polaris/config.go b/contrib/config/polaris/config.go
new file mode 100644
index 00000000..f5d52d18
--- /dev/null
+++ b/contrib/config/polaris/config.go
@@ -0,0 +1,108 @@
+package config
+
+import (
+	"errors"
+	"fmt"
+	"path/filepath"
+	"strings"
+
+	"github.com/go-kratos/kratos/v2/config"
+
+	"github.com/polarismesh/polaris-go"
+)
+
+// Option is polaris config option.
+type Option func(o *options)
+
+type options struct {
+	namespace  string
+	fileGroup  string
+	fileName   string
+	configFile polaris.ConfigFile
+}
+
+// WithNamespace with polaris config namespace
+func WithNamespace(namespace string) Option {
+	return func(o *options) {
+		o.namespace = namespace
+	}
+}
+
+// WithFileGroup with polaris config fileGroup
+func WithFileGroup(fileGroup string) Option {
+	return func(o *options) {
+		o.fileGroup = fileGroup
+	}
+}
+
+// WithFileName with polaris config fileName
+func WithFileName(fileName string) Option {
+	return func(o *options) {
+		o.fileName = fileName
+	}
+}
+
+type source struct {
+	client  *polaris.ConfigAPI
+	options *options
+}
+
+func New(client *polaris.ConfigAPI, opts ...Option) (config.Source, error) {
+	options := &options{
+		namespace: "default",
+		fileGroup: "",
+		fileName:  "",
+	}
+
+	for _, opt := range opts {
+		opt(options)
+	}
+
+	if options.fileGroup == "" {
+		return nil, errors.New("fileGroup invalid")
+	}
+
+	if options.fileName == "" {
+		return nil, errors.New("fileName invalid")
+	}
+
+	return &source{
+		client:  client,
+		options: options,
+	}, nil
+}
+
+// Load return the config values
+func (s *source) Load() ([]*config.KeyValue, error) {
+	configAPI, err := polaris.NewConfigAPI()
+	if err != nil {
+		return nil, err
+	}
+
+	configFile, err := configAPI.GetConfigFile(s.options.namespace, s.options.fileGroup, s.options.fileName)
+	if err != nil {
+		fmt.Println("fail to get config.", err)
+		return nil, err
+	}
+
+	if err != nil {
+		return nil, err
+	}
+	content := configFile.GetContent()
+	k := s.options.fileName
+
+	s.options.configFile = configFile
+
+	return []*config.KeyValue{
+		{
+			Key:    k,
+			Value:  []byte(content),
+			Format: strings.TrimPrefix(filepath.Ext(k), "."),
+		},
+	}, nil
+}
+
+// Watch return the watcher
+func (s *source) Watch() (config.Watcher, error) {
+	return newWatcher(s.options.configFile), nil
+}
diff --git a/contrib/config/polaris/go.mod b/contrib/config/polaris/go.mod
new file mode 100644
index 00000000..98d0c8f1
--- /dev/null
+++ b/contrib/config/polaris/go.mod
@@ -0,0 +1,21 @@
+module github.com/go-kratos/kratos/contrib/config/polaris/v2
+
+go 1.16
+
+require (
+	github.com/go-kratos/kratos/v2 v2.3.1
+	github.com/polarismesh/polaris-go v1.1.0
+)
+
+require (
+	github.com/hashicorp/errwrap v1.1.0 // indirect
+	github.com/prometheus/client_golang v1.12.2 // indirect
+	github.com/prometheus/common v0.35.0 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.8.0 // indirect
+	go.uber.org/zap v1.21.0 // indirect
+	golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e // indirect
+	golang.org/x/sys v0.0.0-20220627191245-f75cf1eec38b // indirect
+	google.golang.org/genproto v0.0.0-20220628213854-d9e0b6570c03 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
diff --git a/contrib/config/polaris/go.sum b/contrib/config/polaris/go.sum
new file mode 100644
index 00000000..b8df072d
--- /dev/null
+++ b/contrib/config/polaris/go.sum
@@ -0,0 +1,617 @@
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+google.golang.org/grpc v1.47.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
+google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
+google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
+google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
+google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
+google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=
+gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
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+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
diff --git a/contrib/config/polaris/polaris.yaml b/contrib/config/polaris/polaris.yaml
new file mode 100644
index 00000000..fdee6156
--- /dev/null
+++ b/contrib/config/polaris/polaris.yaml
@@ -0,0 +1,8 @@
+global:
+  serverConnector:
+    addresses:
+      - 127.0.0.1:8091
+config:
+  configConnector:
+    addresses:
+      - 127.0.0.1:8093
diff --git a/contrib/config/polaris/watcher.go b/contrib/config/polaris/watcher.go
new file mode 100644
index 00000000..dcd89055
--- /dev/null
+++ b/contrib/config/polaris/watcher.go
@@ -0,0 +1,80 @@
+package config
+
+import (
+	"fmt"
+	"path/filepath"
+	"strings"
+
+	"github.com/go-kratos/kratos/v2/config"
+	"github.com/go-kratos/kratos/v2/log"
+
+	"github.com/polarismesh/polaris-go"
+	"github.com/polarismesh/polaris-go/pkg/model"
+)
+
+type Watcher struct {
+	configFile polaris.ConfigFile
+	fullPath   string
+}
+
+type eventChan struct {
+	closed bool
+	event  chan model.ConfigFileChangeEvent
+}
+
+var eventChanMap = make(map[string]eventChan)
+
+func getFullPath(namespace string, fileGroup string, fileName string) string {
+	return fmt.Sprintf("%s/%s/%s", namespace, fileGroup, fileName)
+}
+
+func recieve(event model.ConfigFileChangeEvent) {
+	meta := event.ConfigFileMetadata
+	ec := eventChanMap[getFullPath(meta.GetNamespace(), meta.GetFileGroup(), meta.GetFileName())]
+	defer func() {
+		if err := recover(); err != nil {
+			log.Error(err)
+		}
+	}()
+	if !ec.closed {
+		ec.event <- event
+	}
+}
+
+func newWatcher(configFile polaris.ConfigFile) *Watcher {
+	configFile.AddChangeListener(recieve)
+
+	fullPath := getFullPath(configFile.GetNamespace(), configFile.GetFileGroup(), configFile.GetFileName())
+	if _, ok := eventChanMap[fullPath]; !ok {
+		eventChanMap[fullPath] = eventChan{
+			closed: false,
+			event:  make(chan model.ConfigFileChangeEvent),
+		}
+	}
+	w := &Watcher{
+		configFile: configFile,
+		fullPath:   fullPath,
+	}
+	return w
+}
+
+func (w *Watcher) Next() ([]*config.KeyValue, error) {
+	ec := eventChanMap[w.fullPath]
+	event := <-ec.event
+	return []*config.KeyValue{
+		{
+			Key:    w.configFile.GetFileName(),
+			Value:  []byte(event.NewValue),
+			Format: strings.TrimPrefix(filepath.Ext(w.configFile.GetFileName()), "."),
+		},
+	}, nil
+}
+
+func (w *Watcher) Stop() error {
+	ec := eventChanMap[w.fullPath]
+	if !ec.closed {
+		ec.closed = true
+		close(ec.event)
+	}
+	return nil
+}
diff --git a/contrib/log/aliyun/aliyun.go b/contrib/log/aliyun/aliyun.go
index 46abd7e4..0c1e1987 100644
--- a/contrib/log/aliyun/aliyun.go
+++ b/contrib/log/aliyun/aliyun.go
@@ -15,6 +15,7 @@ import (
 type Log interface {
 	klog.Logger
 	GetProducer() *producer.Producer
+	Close() error
 }
 
 type aliyunLog struct {
diff --git a/contrib/log/aliyun/go.mod b/contrib/log/aliyun/go.mod
index 5acaf3c0..303c9223 100644
--- a/contrib/log/aliyun/go.mod
+++ b/contrib/log/aliyun/go.mod
@@ -3,7 +3,7 @@ module github.com/go-kratos/kratos/contrib/log/aliyun/v2
 go 1.16
 
 require (
-	github.com/aliyun/aliyun-log-go-sdk v0.1.36
+	github.com/aliyun/aliyun-log-go-sdk v0.1.37
 	github.com/go-kratos/kratos/v2 v2.3.1
 	google.golang.org/protobuf v1.28.0
 )
diff --git a/contrib/log/aliyun/go.sum b/contrib/log/aliyun/go.sum
index 2ad1b613..91f02aea 100644
--- a/contrib/log/aliyun/go.sum
+++ b/contrib/log/aliyun/go.sum
@@ -12,8 +12,8 @@ github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuy
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/aliyun/aliyun-log-go-sdk v0.1.36 h1:ZWhKl1tBOvRn3/sIrFy8gMX+Hfq2u8mee1DeU96jqjc=
-github.com/aliyun/aliyun-log-go-sdk v0.1.36/go.mod h1:1QQ59pEJiVVXqKgbHcU6FWIgxT5RKBt+CT8AiQ2bEts=
+github.com/aliyun/aliyun-log-go-sdk v0.1.37 h1:GvswbgLqVOHNeMWssQ9zA+R7YVDP6arLUP92bKyGZNw=
+github.com/aliyun/aliyun-log-go-sdk v0.1.37/go.mod h1:1QQ59pEJiVVXqKgbHcU6FWIgxT5RKBt+CT8AiQ2bEts=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
diff --git a/contrib/log/logrus/go.mod b/contrib/log/logrus/go.mod
new file mode 100644
index 00000000..399d55e3
--- /dev/null
+++ b/contrib/log/logrus/go.mod
@@ -0,0 +1,11 @@
+module github.com/go-kratos/kratos/contrib/log/logrus/v2
+
+go 1.16
+
+require (
+	github.com/go-kratos/kratos/v2 v2.3.1
+	github.com/sirupsen/logrus v1.8.1
+	github.com/stretchr/testify v1.7.1
+)
+
+replace github.com/go-kratos/kratos/v2 => ../../../
diff --git a/contrib/log/logrus/go.sum b/contrib/log/logrus/go.sum
new file mode 100644
index 00000000..129b0363
--- /dev/null
+++ b/contrib/log/logrus/go.sum
@@ -0,0 +1,166 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/StackExchange/wmi v1.2.1/go.mod h1:rcmrprowKIVzvc+NUiLncP2uuArMWLCbu9SBzvHz7e8=
+github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
+github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
+github.com/cncf/udpa/go v0.0.0-20210930031921-04548b0d99d4/go.mod h1:6pvJx4me5XPnfI9Z40ddWsdw2W/uZgQLFXToKeRcDiI=
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+google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
+google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
+google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.46.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
+google.golang.org/grpc v1.46.2/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
+google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
+google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
+google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0 h1:hjy8E9ON/egN1tAYqKb61G10WtihqetD4sz2H+8nIeA=
+gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
diff --git a/contrib/log/logrus/logrus.go b/contrib/log/logrus/logrus.go
new file mode 100644
index 00000000..748055e5
--- /dev/null
+++ b/contrib/log/logrus/logrus.go
@@ -0,0 +1,69 @@
+package logrus
+
+import (
+	"github.com/go-kratos/kratos/v2/log"
+	"github.com/sirupsen/logrus"
+)
+
+var _ log.Logger = (*Logger)(nil)
+
+type Logger struct {
+	log *logrus.Logger
+}
+
+func NewLogger(logger *logrus.Logger) log.Logger {
+	return &Logger{
+		log: logger,
+	}
+}
+
+func (l *Logger) Log(level log.Level, keyvals ...interface{}) (err error) {
+	var (
+		logrusLevel logrus.Level
+		fields      logrus.Fields = make(map[string]interface{})
+		msg         string
+	)
+
+	switch level {
+	case log.LevelDebug:
+		logrusLevel = logrus.DebugLevel
+	case log.LevelInfo:
+		logrusLevel = logrus.InfoLevel
+	case log.LevelWarn:
+		logrusLevel = logrus.WarnLevel
+	case log.LevelError:
+		logrusLevel = logrus.ErrorLevel
+	default:
+		logrusLevel = logrus.DebugLevel
+	}
+
+	if logrusLevel > l.log.Level {
+		return
+	}
+
+	if len(keyvals) == 0 {
+		return nil
+	}
+	if len(keyvals)%2 != 0 {
+		keyvals = append(keyvals, "")
+	}
+	for i := 0; i < len(keyvals); i += 2 {
+		key, ok := keyvals[i].(string)
+		if !ok {
+			continue
+		}
+		if key == logrus.FieldKeyMsg {
+			msg, _ = keyvals[i+1].(string)
+			continue
+		}
+		fields[key] = keyvals[i+1]
+	}
+
+	if len(fields) > 0 {
+		l.log.WithFields(fields).Log(logrusLevel, msg)
+	} else {
+		l.log.Log(logrusLevel, msg)
+	}
+
+	return
+}
diff --git a/contrib/log/zap/zap.go b/contrib/log/zap/zap.go
index 411bd1c1..5929c486 100644
--- a/contrib/log/zap/zap.go
+++ b/contrib/log/zap/zap.go
@@ -48,5 +48,5 @@ func (l *Logger) Sync() error {
 }
 
 func (l *Logger) Close() error {
-	return l.log.Sync()
+	return l.Sync()
 }
diff --git a/contrib/registry/consul/go.mod b/contrib/registry/consul/go.mod
index f746247d..38f0f1aa 100644
--- a/contrib/registry/consul/go.mod
+++ b/contrib/registry/consul/go.mod
@@ -4,7 +4,7 @@ go 1.16
 
 require (
 	github.com/go-kratos/kratos/v2 v2.3.1
-	github.com/hashicorp/consul/api v1.12.0
+	github.com/hashicorp/consul/api v1.13.0
 )
 
 replace github.com/go-kratos/kratos/v2 => ../../../
diff --git a/contrib/registry/consul/go.sum b/contrib/registry/consul/go.sum
index 402ade80..b2e006cb 100644
--- a/contrib/registry/consul/go.sum
+++ b/contrib/registry/consul/go.sum
@@ -64,13 +64,14 @@ github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
 github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
-github.com/hashicorp/consul/api v1.12.0 h1:k3y1FYv6nuKyNTqj6w9gXOx5r5CfLj/k/euUeBXj1OY=
-github.com/hashicorp/consul/api v1.12.0/go.mod h1:6pVBMo0ebnYdt2S3H87XhekM/HHrUoTD2XXb/VrZVy0=
+github.com/hashicorp/consul/api v1.13.0 h1:2hnLQ0GjQvw7f3O61jMO8gbasZviZTrt9R8WzgiirHc=
+github.com/hashicorp/consul/api v1.13.0/go.mod h1:ZlVrynguJKcYr54zGaDbaL3fOvKC9m72FhPvA8T35KQ=
 github.com/hashicorp/consul/sdk v0.8.0 h1:OJtKBtEjboEZvG6AOUdh4Z1Zbyu0WcxQ0qatRrZHTVU=
 github.com/hashicorp/consul/sdk v0.8.0/go.mod h1:GBvyrGALthsZObzUGsfgHZQDXjg4lOjagTIwIR1vPms=
 github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/UYA=
@@ -222,6 +223,7 @@ golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBn
 golang.org/x/tools v0.0.0-20190907020128-2ca718005c18/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
diff --git a/contrib/registry/etcd/watcher.go b/contrib/registry/etcd/watcher.go
index d04f4fbd..22e63474 100644
--- a/contrib/registry/etcd/watcher.go
+++ b/contrib/registry/etcd/watcher.go
@@ -29,7 +29,7 @@ func newWatcher(ctx context.Context, key, name string, client *clientv3.Client)
 		serviceName: name,
 	}
 	w.ctx, w.cancel = context.WithCancel(ctx)
-	w.watchChan = w.watcher.Watch(w.ctx, key, clientv3.WithPrefix(), clientv3.WithRev(0))
+	w.watchChan = w.watcher.Watch(w.ctx, key, clientv3.WithPrefix(), clientv3.WithRev(0), clientv3.WithKeysOnly())
 	err := w.watcher.RequestProgress(context.Background())
 	if err != nil {
 		return nil, err
diff --git a/contrib/registry/kubernetes/go.mod b/contrib/registry/kubernetes/go.mod
index af084136..8d77a4af 100644
--- a/contrib/registry/kubernetes/go.mod
+++ b/contrib/registry/kubernetes/go.mod
@@ -5,8 +5,8 @@ go 1.16
 require (
 	github.com/go-kratos/kratos/v2 v2.3.1
 	github.com/json-iterator/go v1.1.12
-	k8s.io/api v0.24.1
-	k8s.io/apimachinery v0.24.1
+	k8s.io/api v0.24.2
+	k8s.io/apimachinery v0.24.2
 	k8s.io/client-go v0.24.1
 )
 
diff --git a/contrib/registry/kubernetes/go.sum b/contrib/registry/kubernetes/go.sum
index b24adbea..559f0670 100644
--- a/contrib/registry/kubernetes/go.sum
+++ b/contrib/registry/kubernetes/go.sum
@@ -201,6 +201,7 @@ github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpO
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/imdario/mergo v0.3.5/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
+github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU=
 github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
 github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
 github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
@@ -652,10 +653,12 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-k8s.io/api v0.24.1 h1:BjCMRDcyEYz03joa3K1+rbshwh1Ay6oB53+iUx2H8UY=
 k8s.io/api v0.24.1/go.mod h1:JhoOvNiLXKTPQ60zh2g0ewpA+bnEYf5q44Flhquh4vQ=
-k8s.io/apimachinery v0.24.1 h1:ShD4aDxTQKN5zNf8K1RQ2u98ELLdIW7jEnlO9uAMX/I=
+k8s.io/api v0.24.2 h1:g518dPU/L7VRLxWfcadQn2OnsiGWVOadTLpdnqgY2OI=
+k8s.io/api v0.24.2/go.mod h1:AHqbSkTm6YrQ0ObxjO3Pmp/ubFF/KuM7jU+3khoBsOg=
 k8s.io/apimachinery v0.24.1/go.mod h1:82Bi4sCzVBdpYjyI4jY6aHX+YCUchUIrZrXKedjd2UM=
+k8s.io/apimachinery v0.24.2 h1:5QlH9SL2C8KMcrNJPor+LbXVTaZRReml7svPEh4OKDM=
+k8s.io/apimachinery v0.24.2/go.mod h1:82Bi4sCzVBdpYjyI4jY6aHX+YCUchUIrZrXKedjd2UM=
 k8s.io/client-go v0.24.1 h1:w1hNdI9PFrzu3OlovVeTnf4oHDt+FJLd9Ndluvnb42E=
 k8s.io/client-go v0.24.1/go.mod h1:f1kIDqcEYmwXS/vTbbhopMUbhKp2JhOeVTfxgaCIlF8=
 k8s.io/gengo v0.0.0-20210813121822-485abfe95c7c/go.mod h1:FiNAH4ZV3gBg2Kwh89tzAEV2be7d5xI0vBa/VySYy3E=
diff --git a/encoding/form/proto_encode.go b/encoding/form/proto_encode.go
index 781b1ccf..449fca0d 100644
--- a/encoding/form/proto_encode.go
+++ b/encoding/form/proto_encode.go
@@ -8,9 +8,9 @@ import (
 	"strconv"
 	"strings"
 
-	"google.golang.org/genproto/protobuf/field_mask"
 	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/types/known/fieldmaskpb"
 )
 
 // EncodeValues encode a message into url values.
@@ -26,11 +26,12 @@ func EncodeValues(msg proto.Message) (url.Values, error) {
 	return u, nil
 }
 
-func encodeByField(u url.Values, path string, v protoreflect.Message) error {
-	for i := 0; i < v.Descriptor().Fields().Len(); i++ {
-		fd := v.Descriptor().Fields().Get(i)
-		var key string
-		var newPath string
+func encodeByField(u url.Values, path string, m protoreflect.Message) (finalErr error) {
+	m.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
+		var (
+			key     string
+			newPath string
+		)
 		if fd.HasJSONName() {
 			key = fd.JSONName()
 		} else {
@@ -41,54 +42,55 @@ func encodeByField(u url.Values, path string, v protoreflect.Message) error {
 		} else {
 			newPath = path + "." + key
 		}
-
 		if of := fd.ContainingOneof(); of != nil {
-			if f := v.WhichOneof(of); f != nil {
+			if f := m.WhichOneof(of); f != nil {
 				if f != fd {
-					continue
+					return true
 				}
 			}
-			continue
 		}
 		switch {
 		case fd.IsList():
-			if v.Get(fd).List().Len() > 0 {
-				list, err := encodeRepeatedField(fd, v.Get(fd).List())
+			if v.List().Len() > 0 {
+				list, err := encodeRepeatedField(fd, v.List())
 				if err != nil {
-					return err
+					finalErr = err
+					return false
 				}
 				u[newPath] = list
 			}
 		case fd.IsMap():
-			if v.Get(fd).Map().Len() > 0 {
-				m, err := encodeMapField(fd, v.Get(fd).Map())
+			if v.Map().Len() > 0 {
+				m, err := encodeMapField(fd, v.Map())
 				if err != nil {
-					return err
+					finalErr = err
+					return false
 				}
 				for k, value := range m {
 					u[fmt.Sprintf("%s[%s]", newPath, k)] = []string{value}
 				}
 			}
 		case (fd.Kind() == protoreflect.MessageKind) || (fd.Kind() == protoreflect.GroupKind):
-			value, err := encodeMessage(fd.Message(), v.Get(fd))
+			value, err := encodeMessage(fd.Message(), v)
 			if err == nil {
 				u[newPath] = []string{value}
-				continue
+				return true
 			}
-			err = encodeByField(u, newPath, v.Get(fd).Message())
-			if err != nil {
-				return err
+			if err = encodeByField(u, newPath, v.Message()); err != nil {
+				finalErr = err
+				return false
 			}
 		default:
-			value, err := EncodeField(fd, v.Get(fd))
+			value, err := EncodeField(fd, v)
 			if err != nil {
-				return err
+				finalErr = err
+				return false
 			}
 			u[newPath] = []string{value}
 		}
-	}
-
-	return nil
+		return true
+	})
+	return
 }
 
 func encodeRepeatedField(fieldDescriptor protoreflect.FieldDescriptor, list protoreflect.List) ([]string, error) {
@@ -100,7 +102,6 @@ func encodeRepeatedField(fieldDescriptor protoreflect.FieldDescriptor, list prot
 		}
 		values = append(values, value)
 	}
-
 	return values, nil
 }
 
@@ -140,7 +141,7 @@ func EncodeField(fieldDescriptor protoreflect.FieldDescriptor, value protoreflec
 	case protoreflect.MessageKind, protoreflect.GroupKind:
 		return encodeMessage(fieldDescriptor.Message(), value)
 	default:
-		return fmt.Sprintf("%v", value.Interface()), nil
+		return fmt.Sprint(value.Interface()), nil
 	}
 }
 
@@ -159,10 +160,10 @@ func encodeMessage(msgDescriptor protoreflect.MessageDescriptor, value protorefl
 		"google.protobuf.UInt64Value", "google.protobuf.UInt32Value", "google.protobuf.BoolValue", "google.protobuf.StringValue":
 		fd := msgDescriptor.Fields()
 		v := value.Message().Get(fd.ByName(protoreflect.Name("value")))
-		return fmt.Sprintf("%v", v.Interface()), nil
-	case "google.protobuf.FieldMask":
-		m, ok := value.Message().Interface().(*field_mask.FieldMask)
-		if !ok {
+		return fmt.Sprint(v.Interface()), nil
+	case fieldMaskFullName:
+		m, ok := value.Message().Interface().(*fieldmaskpb.FieldMask)
+		if !ok || m == nil {
 			return "", nil
 		}
 		for i, v := range m.Paths {
@@ -174,6 +175,28 @@ func encodeMessage(msgDescriptor protoreflect.MessageDescriptor, value protorefl
 	}
 }
 
+// EncodeFieldMask return field mask name=paths
+func EncodeFieldMask(m protoreflect.Message) (query string) {
+	m.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
+		if fd.Kind() == protoreflect.MessageKind {
+			if msg := fd.Message(); msg.FullName() == fieldMaskFullName {
+				value, err := encodeMessage(msg, v)
+				if err != nil {
+					return false
+				}
+				if fd.HasJSONName() {
+					query = fd.JSONName() + "=" + value
+				} else {
+					query = fd.TextName() + "=" + value
+				}
+				return false
+			}
+		}
+		return true
+	})
+	return
+}
+
 // JSONCamelCase converts a snake_case identifier to a camelCase identifier,
 // according to the protobuf JSON specification.
 // references: https://github.com/protocolbuffers/protobuf-go/blob/master/encoding/protojson/well_known_types.go#L842
diff --git a/encoding/form/well_known_types.go b/encoding/form/well_known_types.go
index f87ca640..8b0894db 100644
--- a/encoding/form/well_known_types.go
+++ b/encoding/form/well_known_types.go
@@ -31,6 +31,8 @@ const (
 	// google.protobuf.Struct.
 	structMessageFullname   protoreflect.FullName    = "google.protobuf.Struct"
 	structFieldsFieldNumber protoreflect.FieldNumber = 1
+
+	fieldMaskFullName protoreflect.FullName = "google.protobuf.FieldMask"
 )
 
 func marshalTimestamp(m protoreflect.Message) (string, error) {
diff --git a/errors/errors.pb.go b/errors/errors.pb.go
index 0f4e28f2..ec383e13 100644
--- a/errors/errors.pb.go
+++ b/errors/errors.pb.go
@@ -1,8 +1,8 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
+// 	protoc-gen-go v1.28.0
 // 	protoc        v3.19.4
-// source: errors.proto
+// source: errors/errors.proto
 
 package errors
 
@@ -35,7 +35,7 @@ type Status struct {
 func (x *Status) Reset() {
 	*x = Status{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_errors_proto_msgTypes[0]
+		mi := &file_errors_errors_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -48,7 +48,7 @@ func (x *Status) String() string {
 func (*Status) ProtoMessage() {}
 
 func (x *Status) ProtoReflect() protoreflect.Message {
-	mi := &file_errors_proto_msgTypes[0]
+	mi := &file_errors_errors_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -61,7 +61,7 @@ func (x *Status) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Status.ProtoReflect.Descriptor instead.
 func (*Status) Descriptor() ([]byte, []int) {
-	return file_errors_proto_rawDescGZIP(), []int{0}
+	return file_errors_errors_proto_rawDescGZIP(), []int{0}
 }
 
 func (x *Status) GetCode() int32 {
@@ -92,14 +92,14 @@ func (x *Status) GetMetadata() map[string]string {
 	return nil
 }
 
-var file_errors_proto_extTypes = []protoimpl.ExtensionInfo{
+var file_errors_errors_proto_extTypes = []protoimpl.ExtensionInfo{
 	{
 		ExtendedType:  (*descriptorpb.EnumOptions)(nil),
 		ExtensionType: (*int32)(nil),
 		Field:         1108,
 		Name:          "errors.default_code",
 		Tag:           "varint,1108,opt,name=default_code",
-		Filename:      "errors.proto",
+		Filename:      "errors/errors.proto",
 	},
 	{
 		ExtendedType:  (*descriptorpb.EnumValueOptions)(nil),
@@ -107,77 +107,78 @@ var file_errors_proto_extTypes = []protoimpl.ExtensionInfo{
 		Field:         1109,
 		Name:          "errors.code",
 		Tag:           "varint,1109,opt,name=code",
-		Filename:      "errors.proto",
+		Filename:      "errors/errors.proto",
 	},
 }
 
 // Extension fields to descriptorpb.EnumOptions.
 var (
 	// optional int32 default_code = 1108;
-	E_DefaultCode = &file_errors_proto_extTypes[0]
+	E_DefaultCode = &file_errors_errors_proto_extTypes[0]
 )
 
 // Extension fields to descriptorpb.EnumValueOptions.
 var (
 	// optional int32 code = 1109;
-	E_Code = &file_errors_proto_extTypes[1]
+	E_Code = &file_errors_errors_proto_extTypes[1]
 )
 
-var File_errors_proto protoreflect.FileDescriptor
-
-var file_errors_proto_rawDesc = []byte{
-	0x0a, 0x0c, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x06,
-	0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x1a, 0x20, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70,
-	0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x64, 0x65, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74,
-	0x6f, 0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xc5, 0x01, 0x0a, 0x06, 0x53, 0x74, 0x61,
-	0x74, 0x75, 0x73, 0x12, 0x12, 0x0a, 0x04, 0x63, 0x6f, 0x64, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28,
-	0x05, 0x52, 0x04, 0x63, 0x6f, 0x64, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x72, 0x65, 0x61, 0x73, 0x6f,
-	0x6e, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x72, 0x65, 0x61, 0x73, 0x6f, 0x6e, 0x12,
-	0x18, 0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09,
-	0x52, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x12, 0x38, 0x0a, 0x08, 0x6d, 0x65, 0x74,
-	0x61, 0x64, 0x61, 0x74, 0x61, 0x18, 0x04, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x1c, 0x2e, 0x65, 0x72,
-	0x72, 0x6f, 0x72, 0x73, 0x2e, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x2e, 0x4d, 0x65, 0x74, 0x61,
-	0x64, 0x61, 0x74, 0x61, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x52, 0x08, 0x6d, 0x65, 0x74, 0x61, 0x64,
-	0x61, 0x74, 0x61, 0x1a, 0x3b, 0x0a, 0x0d, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x45,
-	0x6e, 0x74, 0x72, 0x79, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28,
-	0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18,
-	0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01,
-	0x3a, 0x40, 0x0a, 0x0c, 0x64, 0x65, 0x66, 0x61, 0x75, 0x6c, 0x74, 0x5f, 0x63, 0x6f, 0x64, 0x65,
-	0x12, 0x1c, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
-	0x75, 0x66, 0x2e, 0x45, 0x6e, 0x75, 0x6d, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0xd4,
-	0x08, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0b, 0x64, 0x65, 0x66, 0x61, 0x75, 0x6c, 0x74, 0x43, 0x6f,
-	0x64, 0x65, 0x3a, 0x36, 0x0a, 0x04, 0x63, 0x6f, 0x64, 0x65, 0x12, 0x21, 0x2e, 0x67, 0x6f, 0x6f,
-	0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x45, 0x6e, 0x75,
-	0x6d, 0x56, 0x61, 0x6c, 0x75, 0x65, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0xd5, 0x08,
-	0x20, 0x01, 0x28, 0x05, 0x52, 0x04, 0x63, 0x6f, 0x64, 0x65, 0x42, 0x59, 0x0a, 0x18, 0x63, 0x6f,
-	0x6d, 0x2e, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2e,
-	0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x50, 0x01, 0x5a, 0x2c, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62,
-	0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x2d, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x6b,
-	0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x76, 0x32, 0x2f, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x3b,
-	0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0xa2, 0x02, 0x0c, 0x4b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x45,
-	0x72, 0x72, 0x6f, 0x72, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+var File_errors_errors_proto protoreflect.FileDescriptor
+
+var file_errors_errors_proto_rawDesc = []byte{
+	0x0a, 0x13, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x2f, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x2e,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x06, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x1a, 0x20, 0x67,
+	0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x64,
+	0x65, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74, 0x6f, 0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22,
+	0xc5, 0x01, 0x0a, 0x06, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x12, 0x12, 0x0a, 0x04, 0x63, 0x6f,
+	0x64, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x04, 0x63, 0x6f, 0x64, 0x65, 0x12, 0x16,
+	0x0a, 0x06, 0x72, 0x65, 0x61, 0x73, 0x6f, 0x6e, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06,
+	0x72, 0x65, 0x61, 0x73, 0x6f, 0x6e, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67,
+	0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65,
+	0x12, 0x38, 0x0a, 0x08, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x18, 0x04, 0x20, 0x03,
+	0x28, 0x0b, 0x32, 0x1c, 0x2e, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x2e, 0x53, 0x74, 0x61, 0x74,
+	0x75, 0x73, 0x2e, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x45, 0x6e, 0x74, 0x72, 0x79,
+	0x52, 0x08, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x1a, 0x3b, 0x0a, 0x0d, 0x4d, 0x65,
+	0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x10, 0x0a, 0x03, 0x6b,
+	0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a,
+	0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61,
+	0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01, 0x3a, 0x40, 0x0a, 0x0c, 0x64, 0x65, 0x66, 0x61, 0x75,
+	0x6c, 0x74, 0x5f, 0x63, 0x6f, 0x64, 0x65, 0x12, 0x1c, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65,
+	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x45, 0x6e, 0x75, 0x6d, 0x4f, 0x70,
+	0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0xd4, 0x08, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0b, 0x64, 0x65,
+	0x66, 0x61, 0x75, 0x6c, 0x74, 0x43, 0x6f, 0x64, 0x65, 0x3a, 0x36, 0x0a, 0x04, 0x63, 0x6f, 0x64,
+	0x65, 0x12, 0x21, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x62, 0x75, 0x66, 0x2e, 0x45, 0x6e, 0x75, 0x6d, 0x56, 0x61, 0x6c, 0x75, 0x65, 0x4f, 0x70, 0x74,
+	0x69, 0x6f, 0x6e, 0x73, 0x18, 0xd5, 0x08, 0x20, 0x01, 0x28, 0x05, 0x52, 0x04, 0x63, 0x6f, 0x64,
+	0x65, 0x42, 0x59, 0x0a, 0x18, 0x63, 0x6f, 0x6d, 0x2e, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e,
+	0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2e, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x50, 0x01, 0x5a,
+	0x2c, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x2d, 0x6b,
+	0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x76, 0x32, 0x2f,
+	0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x3b, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0xa2, 0x02, 0x0c,
+	0x4b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x45, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x62, 0x06, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
-	file_errors_proto_rawDescOnce sync.Once
-	file_errors_proto_rawDescData = file_errors_proto_rawDesc
+	file_errors_errors_proto_rawDescOnce sync.Once
+	file_errors_errors_proto_rawDescData = file_errors_errors_proto_rawDesc
 )
 
-func file_errors_proto_rawDescGZIP() []byte {
-	file_errors_proto_rawDescOnce.Do(func() {
-		file_errors_proto_rawDescData = protoimpl.X.CompressGZIP(file_errors_proto_rawDescData)
+func file_errors_errors_proto_rawDescGZIP() []byte {
+	file_errors_errors_proto_rawDescOnce.Do(func() {
+		file_errors_errors_proto_rawDescData = protoimpl.X.CompressGZIP(file_errors_errors_proto_rawDescData)
 	})
-	return file_errors_proto_rawDescData
+	return file_errors_errors_proto_rawDescData
 }
 
-var file_errors_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
-var file_errors_proto_goTypes = []interface{}{
+var file_errors_errors_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_errors_errors_proto_goTypes = []interface{}{
 	(*Status)(nil),                        // 0: errors.Status
 	nil,                                   // 1: errors.Status.MetadataEntry
 	(*descriptorpb.EnumOptions)(nil),      // 2: google.protobuf.EnumOptions
 	(*descriptorpb.EnumValueOptions)(nil), // 3: google.protobuf.EnumValueOptions
 }
-var file_errors_proto_depIdxs = []int32{
+var file_errors_errors_proto_depIdxs = []int32{
 	1, // 0: errors.Status.metadata:type_name -> errors.Status.MetadataEntry
 	2, // 1: errors.default_code:extendee -> google.protobuf.EnumOptions
 	3, // 2: errors.code:extendee -> google.protobuf.EnumValueOptions
@@ -188,13 +189,13 @@ var file_errors_proto_depIdxs = []int32{
 	0, // [0:1] is the sub-list for field type_name
 }
 
-func init() { file_errors_proto_init() }
-func file_errors_proto_init() {
-	if File_errors_proto != nil {
+func init() { file_errors_errors_proto_init() }
+func file_errors_errors_proto_init() {
+	if File_errors_errors_proto != nil {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_errors_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+		file_errors_errors_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Status); i {
 			case 0:
 				return &v.state
@@ -211,19 +212,19 @@ func file_errors_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_errors_proto_rawDesc,
+			RawDescriptor: file_errors_errors_proto_rawDesc,
 			NumEnums:      0,
 			NumMessages:   2,
 			NumExtensions: 2,
 			NumServices:   0,
 		},
-		GoTypes:           file_errors_proto_goTypes,
-		DependencyIndexes: file_errors_proto_depIdxs,
-		MessageInfos:      file_errors_proto_msgTypes,
-		ExtensionInfos:    file_errors_proto_extTypes,
+		GoTypes:           file_errors_errors_proto_goTypes,
+		DependencyIndexes: file_errors_errors_proto_depIdxs,
+		MessageInfos:      file_errors_errors_proto_msgTypes,
+		ExtensionInfos:    file_errors_errors_proto_extTypes,
 	}.Build()
-	File_errors_proto = out.File
-	file_errors_proto_rawDesc = nil
-	file_errors_proto_goTypes = nil
-	file_errors_proto_depIdxs = nil
+	File_errors_errors_proto = out.File
+	file_errors_errors_proto_rawDesc = nil
+	file_errors_errors_proto_goTypes = nil
+	file_errors_errors_proto_depIdxs = nil
 }
diff --git a/log/README.md b/log/README.md
index 0fb786f1..8c4c7b76 100644
--- a/log/README.md
+++ b/log/README.md
@@ -42,6 +42,11 @@ log.Error("warn log")
 ```shell
 go get -u github.com/go-kratos/kratos/contrib/log/zap/v2
 ```
+### logrus
+
+```shell
+go get -u github.com/go-kratos/kratos/contrib/log/logrus/v2
+```
 
 ### fluent
 
diff --git a/selector/default_selector.go b/selector/default_selector.go
index 7550befd..0e99249e 100644
--- a/selector/default_selector.go
+++ b/selector/default_selector.go
@@ -53,6 +53,10 @@ func (d *Default) Select(ctx context.Context, opts ...SelectOption) (selected No
 	if err != nil {
 		return nil, nil, err
 	}
+	p, ok := FromPeerContext(ctx)
+	if ok {
+		p.Node = wn.Raw()
+	}
 	return wn.Raw(), done, nil
 }
 
diff --git a/selector/peer.go b/selector/peer.go
new file mode 100644
index 00000000..273ba064
--- /dev/null
+++ b/selector/peer.go
@@ -0,0 +1,25 @@
+package selector
+
+import (
+	"context"
+)
+
+type peerKey struct{}
+
+// Peer contains the information of the peer for an RPC, such as the address
+// and authentication information.
+type Peer struct {
+	// node is the peer node.
+	Node Node
+}
+
+// NewPeerContext creates a new context with peer information attached.
+func NewPeerContext(ctx context.Context, p *Peer) context.Context {
+	return context.WithValue(ctx, peerKey{}, p)
+}
+
+// FromPeerContext returns the peer information in ctx if it exists.
+func FromPeerContext(ctx context.Context) (p *Peer, ok bool) {
+	p, ok = ctx.Value(peerKey{}).(*Peer)
+	return
+}
diff --git a/transport/grpc/client.go b/transport/grpc/client.go
index a5174b73..923e5267 100644
--- a/transport/grpc/client.go
+++ b/transport/grpc/client.go
@@ -184,6 +184,8 @@ func unaryClientInterceptor(ms []middleware.Middleware, timeout time.Duration, f
 		if len(ms) > 0 {
 			h = middleware.Chain(ms...)(h)
 		}
+		var p selector.Peer
+		ctx = selector.NewPeerContext(ctx, &p)
 		_, err := h(ctx, req)
 		return err
 	}
diff --git a/transport/http/binding/encode.go b/transport/http/binding/encode.go
index 190e65e5..14faf2e9 100644
--- a/transport/http/binding/encode.go
+++ b/transport/http/binding/encode.go
@@ -36,6 +36,9 @@ func EncodeURL(pathTemplate string, msg proto.Message, needQuery bool) string {
 		return "/" + value
 	})
 	if !needQuery {
+		if query := form.EncodeFieldMask(msg.ProtoReflect()); query != "" {
+			return path + "?" + query
+		}
 		return path
 	}
 	u, err := form.EncodeValues(msg)
diff --git a/transport/http/client.go b/transport/http/client.go
index 2ae29ffb..f1c21359 100644
--- a/transport/http/client.go
+++ b/transport/http/client.go
@@ -247,6 +247,8 @@ func (client *Client) invoke(ctx context.Context, req *http.Request, args interf
 		}
 		return reply, nil
 	}
+	var p selector.Peer
+	ctx = selector.NewPeerContext(ctx, &p)
 	if len(client.opts.middleware) > 0 {
 		h = middleware.Chain(client.opts.middleware...)(h)
 	}


Test patch:
diff --git a/cmd/kratos/internal/proto/add/add_test.go b/cmd/kratos/internal/proto/add/add_test.go
new file mode 100644
index 00000000..eda6b414
--- /dev/null
+++ b/cmd/kratos/internal/proto/add/add_test.go
@@ -0,0 +1,38 @@
+package add
+
+import "testing"
+
+func TestUnderscoreToUpperCamelCase(t *testing.T) {
+	tests := []struct {
+		name string
+		want string
+	}{
+		{
+			name: "hello_world",
+			want: "HelloWorld",
+		},
+		{
+			name: "v2_kratos_dev",
+			want: "V2KratosDev",
+		},
+		{
+			name: "www_Google_com",
+			want: "WwwGoogleCom",
+		},
+		{
+			name: "wwwBaidu_com",
+			want: "WwwBaiduCom",
+		},
+		{
+			name: "HelloWorld",
+			want: "HelloWorld",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := toUpperCamelCase(tt.name); got != tt.want {
+				t.Errorf("toUpperCamelCase() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
diff --git a/cmd/kratos/internal/proto/server/server_test.go b/cmd/kratos/internal/proto/server/server_test.go
new file mode 100644
index 00000000..a2cbeee6
--- /dev/null
+++ b/cmd/kratos/internal/proto/server/server_test.go
@@ -0,0 +1,52 @@
+package server
+
+import "testing"
+
+func Test_ucFirst(t *testing.T) {
+	type args struct {
+		str string
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "ucFirst on lowercase words",
+			args: args{str: "helloworld"},
+			want: "Helloworld",
+		},
+		{
+			name: "ucFirst on uppercase words",
+			args: args{str: "HELLOWORLD"},
+			want: "HELLOWORLD",
+		},
+		{
+			name: "ucFirst on lowercase words with spaces",
+			args: args{str: "hello world"},
+			want: "Hello world",
+		},
+		{
+			name: "ucFirst on uppercase words with spaces",
+			args: args{str: "HELLO WORLD"},
+			want: "HELLO WORLD",
+		},
+		{
+			name: "ucFirst on Lower Camel Case words",
+			args: args{str: "helloWorld"},
+			want: "HelloWorld",
+		},
+		{
+			name: "ucFirst on Upper Camel Case words",
+			args: args{str: "HelloWorld"},
+			want: "HelloWorld",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := ucFirst(tt.args.str); got != tt.want {
+				t.Errorf("ucFirst() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
diff --git a/contrib/config/apollo/apollo_test.go b/contrib/config/apollo/apollo_test.go
deleted file mode 100644
index 73e6f639..00000000
--- a/contrib/config/apollo/apollo_test.go
+++ /dev/null
@@ -1,189 +0,0 @@
-package apollo
-
-import (
-	"reflect"
-	"testing"
-)
-
-func Test_genKey(t *testing.T) {
-	type args struct {
-		ns  string
-		sub string
-	}
-	tests := []struct {
-		name string
-		args args
-		want string
-	}{
-		{
-			name: "case 1",
-			args: args{
-				ns:  "",
-				sub: "has_no_ns",
-			},
-			want: "has_no_ns",
-		},
-		{
-			name: "case 2",
-			args: args{
-				ns:  "ns.ext",
-				sub: "sub",
-			},
-			want: "ns.sub",
-		},
-		{
-			name: "case 3",
-			args: args{
-				ns:  "",
-				sub: "",
-			},
-			want: "",
-		},
-		{
-			name: "case 4",
-			args: args{
-				ns:  "ns.ext",
-				sub: "sub.sub2.sub3",
-			},
-			want: "ns.sub.sub2.sub3",
-		},
-		{
-			name: "case 5",
-			args: args{
-				ns:  "ns.more.ext",
-				sub: "sub.sub2.sub3",
-			},
-			want: "ns.more.sub.sub2.sub3",
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			if got := genKey(tt.args.ns, tt.args.sub); got != tt.want {
-				t.Errorf("genKey() = %v, want %v", got, tt.want)
-			}
-		})
-	}
-}
-
-func Test_format(t *testing.T) {
-	type args struct {
-		ns string
-	}
-	tests := []struct {
-		name string
-		args args
-		want string
-	}{
-		{
-			name: "case 0",
-			args: args{
-				ns: "ns.yaml",
-			},
-			want: "yaml",
-		},
-		{
-			name: "case 1",
-			args: args{
-				ns: "ns",
-			},
-			want: "json",
-		},
-		{
-			name: "case 2",
-			args: args{
-				ns: "ns.more.json",
-			},
-			want: "json",
-		},
-		{
-			name: "case 3",
-			args: args{
-				ns: "",
-			},
-			want: "json",
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			if got := format(tt.args.ns); got != tt.want {
-				t.Errorf("format() = %v, want %v", got, tt.want)
-			}
-		})
-	}
-}
-
-func Test_convertProperties(t *testing.T) {
-	type args struct {
-		key    string
-		value  interface{}
-		target map[string]interface{}
-	}
-	tests := []struct {
-		name string
-		args args
-		want map[string]interface{}
-	}{
-		{
-			name: "case 0",
-			args: args{
-				key:    "application.name",
-				value:  "app name",
-				target: map[string]interface{}{},
-			},
-			want: map[string]interface{}{
-				"application": map[string]interface{}{
-					"name": "app name",
-				},
-			},
-		},
-		{
-			name: "case 1",
-			args: args{
-				key:    "application",
-				value:  []string{"1", "2", "3"},
-				target: map[string]interface{}{},
-			},
-			want: map[string]interface{}{
-				"application": []string{"1", "2", "3"},
-			},
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			resolve(tt.args.key, tt.args.value, tt.args.target)
-			if !reflect.DeepEqual(tt.args.target, tt.want) {
-				t.Errorf("convertProperties() = %v, want %v", tt.args.target, tt.want)
-			}
-		})
-	}
-}
-
-func Test_convertProperties_duplicate(t *testing.T) {
-	target := map[string]interface{}{}
-	resolve("application.name", "name", target)
-	_, ok := target["application"]
-	if !reflect.DeepEqual(ok, true) {
-		t.Errorf("ok = %v, want %v", ok, true)
-	}
-	_, ok = target["application"].(map[string]interface{})["name"]
-	if !reflect.DeepEqual(ok, true) {
-		t.Errorf("ok = %v, want %v", ok, true)
-	}
-	if !reflect.DeepEqual(target["application"].(map[string]interface{})["name"], "name") {
-		t.Errorf("target[\"application\"][\"name\"] = %v, want %v", target["application"].(map[string]interface{})["name"], "name")
-	}
-
-	// cause duplicate, the oldest value will be kept
-	resolve("application.name.first", "first name", target)
-	_, ok = target["application"]
-	if !reflect.DeepEqual(ok, true) {
-		t.Errorf("ok = %v, want %v", ok, true)
-	}
-	_, ok = target["application"].(map[string]interface{})["name"]
-	if !reflect.DeepEqual(ok, true) {
-		t.Errorf("ok = %v, want %v", ok, true)
-	}
-	if !reflect.DeepEqual(target["application"].(map[string]interface{})["name"], "name") {
-		t.Errorf("target[\"application\"][\"name\"] = %v, want %v", target["application"].(map[string]interface{})["name"], "name")
-	}
-}
diff --git a/contrib/config/kubernetes/config_test.go b/contrib/config/kubernetes/config_test.go
index bd0a605a..6cdb1c98 100644
--- a/contrib/config/kubernetes/config_test.go
+++ b/contrib/config/kubernetes/config_test.go
@@ -1,18 +1,44 @@
 package kubernetes
 
 import (
+	"context"
 	"log"
 	"path/filepath"
+	"reflect"
+	"strings"
 	"testing"
 
 	"github.com/go-kratos/kratos/v2/config"
+
+	v1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/rest"
+	"k8s.io/client-go/tools/clientcmd"
 	"k8s.io/client-go/util/homedir"
 )
 
+const (
+	testKey   = "test_config.json"
+	namespace = "default"
+	name      = "test"
+)
+
+var (
+	keyPath    = strings.Join([]string{namespace, name, testKey}, "/")
+	objectMeta = metav1.ObjectMeta{
+		Name:      name,
+		Namespace: namespace,
+		Labels: map[string]string{
+			"app": "test",
+		},
+	}
+)
+
 func TestSource(t *testing.T) {
 	home := homedir.HomeDir()
 	s := NewSource(
-		Namespace("mesh"),
+		Namespace("default"),
 		LabelSelector(""),
 		KubeConfig(filepath.Join(home, ".kube", "config")),
 	)
@@ -40,3 +66,143 @@ func ExampleNewSource() {
 		log.Panic(err)
 	}
 }
+
+func TestConfig(t *testing.T) {
+	restConfig, err := rest.InClusterConfig()
+	home := homedir.HomeDir()
+
+	options := []Option{
+		Namespace(namespace),
+		LabelSelector("app=test"),
+	}
+
+	if err != nil {
+		kubeconfig := filepath.Join(home, ".kube", "config")
+		restConfig, err = clientcmd.BuildConfigFromFlags("", kubeconfig)
+		if err != nil {
+			t.Fatal(err)
+		}
+		options = append(options, KubeConfig(kubeconfig))
+	}
+	clientSet, err := kubernetes.NewForConfig(restConfig)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	clientSetConfigMaps := clientSet.CoreV1().ConfigMaps(namespace)
+
+	source := NewSource(options...)
+	if _, err = clientSetConfigMaps.Create(context.Background(), &v1.ConfigMap{
+		ObjectMeta: objectMeta,
+		Data: map[string]string{
+			testKey: "test config",
+		},
+	}, metav1.CreateOptions{}); err != nil {
+		t.Fatal(err)
+	}
+
+	defer func() {
+		if err = clientSetConfigMaps.Delete(context.Background(), name, metav1.DeleteOptions{}); err != nil {
+			t.Error(err)
+		}
+	}()
+	kvs, err := source.Load()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(kvs) != 1 || kvs[0].Key != keyPath || string(kvs[0].Value) != "test config" {
+		t.Fatal("config error")
+	}
+
+	w, err := source.Watch()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		_ = w.Stop()
+	}()
+	// create also produce an event, discard it
+	if _, err = w.Next(); err != nil {
+		t.Fatal(err)
+	}
+
+	if _, err = clientSetConfigMaps.Update(context.Background(), &v1.ConfigMap{
+		ObjectMeta: objectMeta,
+		Data: map[string]string{
+			testKey: "new config",
+		},
+	}, metav1.UpdateOptions{}); err != nil {
+		t.Error(err)
+	}
+
+	if kvs, err = w.Next(); err != nil {
+		t.Fatal(err)
+	}
+
+	if len(kvs) != 1 || kvs[0].Key != keyPath || string(kvs[0].Value) != "new config" {
+		t.Fatal("config error")
+	}
+}
+
+func TestExtToFormat(t *testing.T) {
+	restConfig, err := rest.InClusterConfig()
+	home := homedir.HomeDir()
+
+	options := []Option{
+		Namespace(namespace),
+		LabelSelector("app=test"),
+	}
+
+	if err != nil {
+		kubeconfig := filepath.Join(home, ".kube", "config")
+		restConfig, err = clientcmd.BuildConfigFromFlags("", kubeconfig)
+		if err != nil {
+			t.Fatal(err)
+		}
+		options = append(options, KubeConfig(kubeconfig))
+	}
+	clientSet, err := kubernetes.NewForConfig(restConfig)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	clientSetConfigMaps := clientSet.CoreV1().ConfigMaps(namespace)
+
+	tc := `{"a":1}`
+	if _, err = clientSetConfigMaps.Create(context.Background(), &v1.ConfigMap{
+		ObjectMeta: objectMeta,
+		Data: map[string]string{
+			testKey: tc,
+		},
+	}, metav1.CreateOptions{}); err != nil {
+		t.Fatal(err)
+	}
+
+	defer func() {
+		if err = clientSetConfigMaps.Delete(context.Background(), name, metav1.DeleteOptions{}); err != nil {
+			t.Error(err)
+		}
+	}()
+
+	source := NewSource(options...)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	kvs, err := source.Load()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !reflect.DeepEqual(len(kvs), 1) {
+		t.Errorf("len(kvs) = %d", len(kvs))
+	}
+	if !reflect.DeepEqual(keyPath, kvs[0].Key) {
+		t.Errorf("kvs[0].Key is %s", kvs[0].Key)
+	}
+	if !reflect.DeepEqual(tc, string(kvs[0].Value)) {
+		t.Errorf("kvs[0].Value is %s", kvs[0].Value)
+	}
+	if !reflect.DeepEqual("json", kvs[0].Format) {
+		t.Errorf("kvs[0].Format is %s", kvs[0].Format)
+	}
+}
diff --git a/contrib/config/nacos/config_test.go b/contrib/config/nacos/config_test.go
index 2fdc4f6b..2d290803 100644
--- a/contrib/config/nacos/config_test.go
+++ b/contrib/config/nacos/config_test.go
@@ -1,41 +1,20 @@
 package config
 
 import (
-	"fmt"
-	"net"
+	"reflect"
 	"testing"
 	"time"
 
 	"github.com/nacos-group/nacos-sdk-go/clients"
 	"github.com/nacos-group/nacos-sdk-go/common/constant"
 	"github.com/nacos-group/nacos-sdk-go/vo"
-	"gopkg.in/yaml.v3"
 
-	kconfig "github.com/go-kratos/kratos/v2/config"
+	"github.com/go-kratos/kratos/v2/config"
 )
 
-func getIntranetIP() string {
-	addrs, err := net.InterfaceAddrs()
-	if err != nil {
-		return "127.0.0.1"
-	}
-
-	for _, address := range addrs {
-		if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
-			if ipnet.IP.To4() != nil {
-				return ipnet.IP.String()
-			}
-		}
-	}
-	return "127.0.0.1"
-}
-
-func TestGetConfig(t *testing.T) {
-	ip := getIntranetIP()
-	// ctx := context.Background()
-
+func TestConfig_Load(t *testing.T) {
 	sc := []constant.ServerConfig{
-		*constant.NewServerConfig(ip, 8848),
+		*constant.NewServerConfig("127.0.0.1", 8848),
 	}
 
 	cc := constant.ClientConfig{
@@ -48,7 +27,6 @@ func TestGetConfig(t *testing.T) {
 		LogLevel:            "debug",
 	}
 
-	// a more graceful way to create naming client
 	client, err := clients.NewConfigClient(
 		vo.NacosClientParam{
 			ClientConfig:  &cc,
@@ -58,52 +36,177 @@ func TestGetConfig(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
+	source := NewConfigSource(client, WithGroup("test"), WithDataID("test.yaml"))
 
-	dataID := "test.yaml"
-	group := "test"
-	_, err = client.PublishConfig(vo.ConfigParam{DataId: dataID, Group: group, Content: `
-logger:
-  level: info
-`})
-	if err != nil {
-		t.Fatal(err)
+	type fields struct {
+		source config.Source
 	}
-	time.Sleep(1 * time.Second)
-	c := kconfig.New(
-		kconfig.WithSource(
-			NewConfigSource(client, WithGroup(group), WithDataID(dataID)),
-		),
-		kconfig.WithDecoder(func(kv *kconfig.KeyValue, v map[string]interface{}) error {
-			return yaml.Unmarshal(kv.Value, v)
-		}),
-	)
-
-	if err = c.Load(); err != nil {
-		t.Fatal(err)
+	tests := []struct {
+		name      string
+		fields    fields
+		want      []*config.KeyValue
+		wantErr   bool
+		preFunc   func(t *testing.T)
+		deferFunc func(t *testing.T)
+	}{
+		{
+			name: "normal",
+			fields: fields{
+				source: source,
+			},
+			wantErr: false,
+			preFunc: func(t *testing.T) {
+				_, err = client.PublishConfig(vo.ConfigParam{DataId: "test.yaml", Group: "test", Content: "test: test"})
+				if err != nil {
+					t.Error(err)
+				}
+				time.Sleep(time.Second * 1)
+			},
+			deferFunc: func(t *testing.T) {
+				_, dErr := client.DeleteConfig(vo.ConfigParam{DataId: "test.yaml", Group: "test"})
+				if dErr != nil {
+					t.Error(dErr)
+				}
+			},
+			want: []*config.KeyValue{{
+				Key:    "test.yaml",
+				Value:  []byte("test: test"),
+				Format: "yaml",
+			}},
+		},
+		{
+			name: "error",
+			fields: fields{
+				source: source,
+			},
+			wantErr: false,
+			preFunc: func(t *testing.T) {
+				_, err = client.PublishConfig(vo.ConfigParam{DataId: "111.yaml", Group: "notExist", Content: "test: test"})
+				if err != nil {
+					t.Error(err)
+				}
+				time.Sleep(time.Second * 1)
+			},
+			deferFunc: func(t *testing.T) {
+				_, dErr := client.DeleteConfig(vo.ConfigParam{DataId: "111.yaml", Group: "notExist"})
+				if dErr != nil {
+					t.Error(dErr)
+				}
+			},
+			want: []*config.KeyValue{{
+				Key:    "test.yaml",
+				Value:  []byte{},
+				Format: "yaml",
+			}},
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			if test.preFunc != nil {
+				test.preFunc(t)
+			}
+			if test.deferFunc != nil {
+				defer test.deferFunc(t)
+			}
+			s := test.fields.source
+			configs, lErr := s.Load()
+			if (lErr != nil) != test.wantErr {
+				t.Errorf("Load error = %v, wantErr %v", lErr, test.wantErr)
+				t.Errorf("Load configs = %v", configs)
+				return
+			}
+			if !reflect.DeepEqual(configs, test.want) {
+				t.Errorf("Load configs = %v, want %v", configs, test.want)
+			}
+		})
 	}
+}
 
-	name, err := c.Value("logger.level").String()
-	if err != nil {
-		t.Fatal(err)
+func TestConfig_Watch(t *testing.T) {
+	sc := []constant.ServerConfig{
+		*constant.NewServerConfig("127.0.0.1", 8848),
 	}
-	fmt.Println("get value", name)
 
-	done := make(chan struct{})
-	err = c.Watch("logger.level", func(key string, value kconfig.Value) {
-		fmt.Println(key, " value change", value)
-		done <- struct{}{}
-	})
-	if err != nil {
-		t.Fatal(err)
+	cc := constant.ClientConfig{
+		TimeoutMs:           5000,
+		NotLoadCacheAtStart: true,
+		LogDir:              "/tmp/nacos/log",
+		CacheDir:            "/tmp/nacos/cache",
+		RotateTime:          "1h",
+		MaxAge:              3,
+		LogLevel:            "debug",
 	}
 
-	_, err = client.PublishConfig(vo.ConfigParam{DataId: dataID, Group: group, Content: `
-logger:
-  level: debug
-`})
+	client, err := clients.NewConfigClient(
+		vo.NacosClientParam{
+			ClientConfig:  &cc,
+			ServerConfigs: sc,
+		},
+	)
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	<-done
+	source := NewConfigSource(client, WithGroup("test"), WithDataID("test.yaml"))
+
+	type fields struct {
+		source config.Source
+	}
+	tests := []struct {
+		name        string
+		fields      fields
+		want        []*config.KeyValue
+		wantErr     bool
+		processFunc func(t *testing.T, w config.Watcher)
+		deferFunc   func(t *testing.T, w config.Watcher)
+	}{
+		{
+			name: "normal",
+			fields: fields{
+				source: source,
+			},
+			wantErr: false,
+			processFunc: func(t *testing.T, w config.Watcher) {
+				_, pErr := client.PublishConfig(vo.ConfigParam{DataId: "test.yaml", Group: "test", Content: "test: test"})
+				if pErr != nil {
+					t.Error(pErr)
+				}
+			},
+			deferFunc: func(t *testing.T, w config.Watcher) {
+				_, dErr := client.DeleteConfig(vo.ConfigParam{DataId: "test.yaml", Group: "test"})
+				if dErr != nil {
+					t.Error(dErr)
+				}
+			},
+			want: []*config.KeyValue{{
+				Key:    "test.yaml",
+				Value:  []byte("test: test"),
+				Format: "yaml",
+			}},
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			s := test.fields.source
+			watch, wErr := s.Watch()
+			if wErr != nil {
+				t.Error(wErr)
+				return
+			}
+			if test.processFunc != nil {
+				test.processFunc(t, watch)
+			}
+			if test.deferFunc != nil {
+				defer test.deferFunc(t, watch)
+			}
+			want, nErr := watch.Next()
+			if (nErr != nil) != test.wantErr {
+				t.Errorf("Watch error = %v, wantErr %v", nErr, test.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(want, test.want) {
+				t.Errorf("Watch watcher = %v, want %v", watch, test.want)
+			}
+		})
+	}
 }
diff --git a/contrib/config/polaris/config_test.go b/contrib/config/polaris/config_test.go
new file mode 100644
index 00000000..6dfaeb3f
--- /dev/null
+++ b/contrib/config/polaris/config_test.go
@@ -0,0 +1,308 @@
+package config
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"reflect"
+	"strings"
+	"testing"
+
+	"github.com/polarismesh/polaris-go"
+)
+
+var (
+	namespace     = "default"
+	fileGroup     = "test"
+	originContent = `server:
+		port: 8080`
+	updatedContent = `server:
+		port: 8090`
+	configCenterURL = "http://127.0.0.1:8090"
+)
+
+func makeJSONRequest(uri string, data string, method string, headers map[string]string) ([]byte, error) {
+	client := http.Client{}
+	req, err := http.NewRequest(method, uri, strings.NewReader(data))
+	req.Header.Add("Content-Type", "application/json")
+	for k, v := range headers {
+		req.Header.Add(k, v)
+	}
+	if err != nil {
+		return nil, err
+	}
+	res, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+	return ioutil.ReadAll(res.Body)
+}
+
+type commonRes struct {
+	Code int32 `json:"code"`
+}
+
+type LoginRes struct {
+	Code          int32 `json:"code"`
+	LoginResponse struct {
+		Token string `json:"token"`
+	} `json:"loginResponse"`
+}
+
+type configClient struct {
+	token string
+}
+
+func newConfigClient() (*configClient, error) {
+	token, err := getToken()
+	if err != nil {
+		return nil, err
+	}
+	return &configClient{
+		token: token,
+	}, nil
+}
+
+func getToken() (string, error) {
+	data, err := json.Marshal(map[string]string{
+		"name":     "polaris",
+		"password": "polaris",
+	})
+	if err != nil {
+		return "", err
+	}
+	// login use default user
+	res, err := makeJSONRequest(fmt.Sprintf("%s/core/v1/user/login", configCenterURL), string(data), http.MethodPost, map[string]string{})
+	if err != nil {
+		return "", nil
+	}
+	var loginRes LoginRes
+	if err = json.Unmarshal(res, &loginRes); err != nil {
+		return "", err
+	}
+	return loginRes.LoginResponse.Token, nil
+}
+
+func (client *configClient) createConfigFile(name string) error {
+	data, err := json.Marshal(map[string]string{
+		"name":      name,
+		"namespace": namespace,
+		"group":     fileGroup,
+		"content":   originContent,
+		"modifyBy":  "polaris",
+		"format":    "yaml",
+	})
+	if err != nil {
+		return err
+	}
+	res, err := makeJSONRequest(fmt.Sprintf("%s/config/v1/configfiles", configCenterURL), string(data), http.MethodPost, map[string]string{
+		"X-Polaris-Token": client.token,
+	})
+	if err != nil {
+		return err
+	}
+
+	var resJSON commonRes
+	err = json.Unmarshal(res, &resJSON)
+	if err != nil {
+		return err
+	}
+	if resJSON.Code != 200000 {
+		return errors.New("create error")
+	}
+	return nil
+}
+
+func (client *configClient) updateConfigFile(name string) error {
+	data, err := json.Marshal(map[string]string{
+		"name":      name,
+		"namespace": namespace,
+		"group":     fileGroup,
+		"content":   updatedContent,
+		"modifyBy":  "polaris",
+		"format":    "yaml",
+	})
+	if err != nil {
+		return err
+	}
+	res, err := makeJSONRequest(fmt.Sprintf("%s/config/v1/configfiles", configCenterURL), string(data), http.MethodPut, map[string]string{
+		"X-Polaris-Token": client.token,
+	})
+	if err != nil {
+		return err
+	}
+	var resJSON commonRes
+	err = json.Unmarshal(res, &resJSON)
+	if err != nil {
+		return err
+	}
+	if resJSON.Code != 200000 {
+		return errors.New("update error")
+	}
+	return nil
+}
+
+func (client *configClient) deleteConfigFile(name string) error {
+	data, err := json.Marshal(map[string]string{})
+	if err != nil {
+		return err
+	}
+	url := fmt.Sprintf("%s/config/v1/configfiles?namespace=%s&group=%s&name=%s", configCenterURL, namespace, fileGroup, name)
+	res, err := makeJSONRequest(url, string(data), http.MethodDelete, map[string]string{
+		"X-Polaris-Token": client.token,
+	})
+	if err != nil {
+		return err
+	}
+	var resJSON commonRes
+	err = json.Unmarshal(res, &resJSON)
+	if err != nil {
+		return err
+	}
+	if resJSON.Code != 200000 {
+		return errors.New("delete error")
+	}
+	return nil
+}
+
+func (client *configClient) publishConfigFile(name string) error {
+	data, err := json.Marshal(map[string]string{
+		"namespace": namespace,
+		"group":     fileGroup,
+		"fileName":  name,
+		"name":      name,
+	})
+	if err != nil {
+		return err
+	}
+	res, err := makeJSONRequest(fmt.Sprintf("%s/config/v1/configfiles/release", configCenterURL), string(data), http.MethodPost, map[string]string{
+		"X-Polaris-Token": client.token,
+	})
+	if err != nil {
+		return err
+	}
+	var resJSON commonRes
+	err = json.Unmarshal(res, &resJSON)
+	if err != nil {
+		return err
+	}
+	if resJSON.Code != 200000 {
+		return errors.New("publish error")
+	}
+	return nil
+}
+
+func TestConfig(t *testing.T) {
+	name := "test.yaml"
+	client, err := newConfigClient()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err = client.createConfigFile(name); err != nil {
+		t.Fatal(err)
+	}
+	if err = client.publishConfigFile(name); err != nil {
+		t.Fatal(err)
+	}
+
+	// Always remember clear test resource
+	configAPI, err := polaris.NewConfigAPI()
+	if err != nil {
+		t.Fatal(err)
+	}
+	config, err := New(&configAPI, WithNamespace(namespace), WithFileGroup(fileGroup), WithFileName(name))
+	if err != nil {
+		t.Fatal(err)
+	}
+	kv, err := config.Load()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if len(kv) != 1 || kv[0].Key != name || string(kv[0].Value) != originContent {
+		t.Fatal("config error")
+	}
+
+	w, err := config.Watch()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() {
+		err = client.deleteConfigFile(name)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if _, err = w.Next(); err != nil {
+			t.Fatal(err)
+		}
+		if err = w.Stop(); err != nil {
+			t.Fatal(err)
+		}
+	}()
+
+	if err = client.updateConfigFile(name); err != nil {
+		t.Fatal(err)
+	}
+
+	if err = client.publishConfigFile(name); err != nil {
+		t.Fatal(err)
+	}
+
+	if kv, err = w.Next(); err != nil {
+		t.Fatal(err)
+	}
+
+	if len(kv) != 1 || kv[0].Key != name || string(kv[0].Value) != updatedContent {
+		t.Fatal("config error")
+	}
+}
+
+func TestExtToFormat(t *testing.T) {
+	name := "ext.yaml"
+	client, err := newConfigClient()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err = client.createConfigFile(name); err != nil {
+		t.Fatal(err)
+	}
+	if err = client.publishConfigFile(name); err != nil {
+		t.Fatal(err)
+	}
+
+	// Always remember clear test resource
+	defer func() {
+		if err = client.deleteConfigFile(name); err != nil {
+			t.Fatal(err)
+		}
+	}()
+
+	configAPI, err := polaris.NewConfigAPI()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	config, err := New(&configAPI, WithNamespace(namespace), WithFileGroup(fileGroup), WithFileName(name))
+	if err != nil {
+		t.Fatal(err)
+	}
+	kv, err := config.Load()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !reflect.DeepEqual(len(kv), 1) {
+		t.Errorf("len(kvs) = %d", len(kv))
+	}
+	if !reflect.DeepEqual(name, kv[0].Key) {
+		t.Errorf("kvs[0].Key is %s", kv[0].Key)
+	}
+	if !reflect.DeepEqual(originContent, string(kv[0].Value)) {
+		t.Errorf("kvs[0].Value is %s", kv[0].Value)
+	}
+	if !reflect.DeepEqual("yaml", kv[0].Format) {
+		t.Errorf("kvs[0].Format is %s", kv[0].Format)
+	}
+}
diff --git a/contrib/log/aliyun/aliyun_test.go b/contrib/log/aliyun/aliyun_test.go
new file mode 100644
index 00000000..1ceafc32
--- /dev/null
+++ b/contrib/log/aliyun/aliyun_test.go
@@ -0,0 +1,95 @@
+package aliyun
+
+import (
+	"testing"
+
+	"github.com/go-kratos/kratos/v2/log"
+)
+
+func TestWithEndpoint(t *testing.T) {
+	opts := new(options)
+	endpoint := "foo"
+	funcEndpoint := WithEndpoint(endpoint)
+	funcEndpoint(opts)
+	if opts.endpoint != endpoint {
+		t.Errorf("WithEndpoint() = %s, want %s", opts.endpoint, endpoint)
+	}
+}
+
+func TestWithProject(t *testing.T) {
+	opts := new(options)
+	project := "foo"
+	funcProject := WithProject(project)
+	funcProject(opts)
+	if opts.project != project {
+		t.Errorf("WithProject() = %s, want %s", opts.project, project)
+	}
+}
+
+func TestWithLogstore(t *testing.T) {
+	opts := new(options)
+	logstore := "foo"
+	funcLogstore := WithLogstore(logstore)
+	funcLogstore(opts)
+	if opts.logstore != logstore {
+		t.Errorf("WithLogatore() = %s, want %s", opts.logstore, logstore)
+	}
+}
+
+func TestWithAccessKey(t *testing.T) {
+	opts := new(options)
+	accessKey := "foo"
+	funcAccessKey := WithAccessKey(accessKey)
+	funcAccessKey(opts)
+	if opts.accessKey != accessKey {
+		t.Errorf("WithAccessKey() = %s, want %s", opts.accessKey, accessKey)
+	}
+}
+
+func TestWithAccessSecret(t *testing.T) {
+	opts := new(options)
+	accessSecret := "foo"
+	funcAccessSecret := WithAccessSecret(accessSecret)
+	funcAccessSecret(opts)
+	if opts.accessSecret != accessSecret {
+		t.Errorf("WithAccessSecret() = %s, want %s", opts.accessSecret, accessSecret)
+	}
+}
+
+func TestLogger(t *testing.T) {
+	project := "foo"
+	logger := NewAliyunLog(WithProject(project))
+	defer logger.Close()
+	logger.GetProducer()
+	flog := log.NewHelper(logger)
+	flog.Debug("log", "test")
+	flog.Info("log", "test")
+	flog.Warn("log", "test")
+	flog.Error("log", "test")
+}
+
+func TestLog(t *testing.T) {
+	project := "foo"
+	logger := NewAliyunLog(WithProject(project))
+	defer logger.Close()
+	err := logger.Log(log.LevelDebug, 0, int8(1), int16(2), int32(3))
+	if err != nil {
+		t.Errorf("Log() returns error:%v", err)
+	}
+	err = logger.Log(log.LevelDebug, uint(0), uint8(1), uint16(2), uint32(3))
+	if err != nil {
+		t.Errorf("Log() returns error:%v", err)
+	}
+	err = logger.Log(log.LevelDebug, uint(0), uint8(1), uint16(2), uint32(3))
+	if err != nil {
+		t.Errorf("Log() returns error:%v", err)
+	}
+	err = logger.Log(log.LevelDebug, int64(0), uint64(1), float32(2), float64(3))
+	if err != nil {
+		t.Errorf("Log() returns error:%v", err)
+	}
+	err = logger.Log(log.LevelDebug, []byte{0, 1, 2, 3}, "foo")
+	if err != nil {
+		t.Errorf("Log() returns error:%v", err)
+	}
+}
diff --git a/contrib/log/fluent/fluent_test.go b/contrib/log/fluent/fluent_test.go
index 8558f31c..5b7b3e17 100644
--- a/contrib/log/fluent/fluent_test.go
+++ b/contrib/log/fluent/fluent_test.go
@@ -5,6 +5,7 @@ import (
 	"net"
 	"os"
 	"testing"
+	"time"
 
 	"github.com/go-kratos/kratos/v2/log"
 )
@@ -29,6 +30,96 @@ func TestMain(m *testing.M) {
 	os.Exit(m.Run())
 }
 
+func TestWithTimeout(t *testing.T) {
+	opts := new(options)
+	var duration time.Duration = 1000000000
+	funcTimeout := WithTimeout(duration)
+	funcTimeout(opts)
+	if opts.timeout != duration {
+		t.Errorf("WithTimeout() = %v, want %v", opts.timeout, duration)
+	}
+}
+
+func TestWithWriteTimeout(t *testing.T) {
+	opts := new(options)
+	var duration time.Duration = 1000000000
+	funcWriteTimeout := WithWriteTimeout(duration)
+	funcWriteTimeout(opts)
+	if opts.writeTimeout != duration {
+		t.Errorf("WithWriteTimeout() = %v, want %v", opts.writeTimeout, duration)
+	}
+}
+
+func TestWithBufferLimit(t *testing.T) {
+	opts := new(options)
+	bufferLimit := 1000000000
+	funcBufferLimit := WithBufferLimit(bufferLimit)
+	funcBufferLimit(opts)
+	if opts.bufferLimit != bufferLimit {
+		t.Errorf("WithBufferLimit() = %d, want %d", opts.bufferLimit, bufferLimit)
+	}
+}
+
+func TestWithRetryWait(t *testing.T) {
+	opts := new(options)
+	retryWait := 1000000000
+	funcRetryWait := WithRetryWait(retryWait)
+	funcRetryWait(opts)
+	if opts.retryWait != retryWait {
+		t.Errorf("WithRetryWait() = %d, want %d", opts.retryWait, retryWait)
+	}
+}
+
+func TestWithMaxRetry(t *testing.T) {
+	opts := new(options)
+	maxRetry := 1000000000
+	funcMaxRetry := WithMaxRetry(maxRetry)
+	funcMaxRetry(opts)
+	if opts.maxRetry != maxRetry {
+		t.Errorf("WithMaxRetry() = %d, want %d", opts.maxRetry, maxRetry)
+	}
+}
+
+func TestWithMaxRetryWait(t *testing.T) {
+	opts := new(options)
+	maxRetryWait := 1000000000
+	funcMaxRetryWait := WithMaxRetryWait(maxRetryWait)
+	funcMaxRetryWait(opts)
+	if opts.maxRetryWait != maxRetryWait {
+		t.Errorf("WithMaxRetryWait() = %d, want %d", opts.maxRetryWait, maxRetryWait)
+	}
+}
+
+func TestWithTagPrefix(t *testing.T) {
+	opts := new(options)
+	tagPrefix := "tag_prefix"
+	funcTagPrefix := WithTagPrefix(tagPrefix)
+	funcTagPrefix(opts)
+	if opts.tagPrefix != tagPrefix {
+		t.Errorf("WithTagPrefix() = %s, want %s", opts.tagPrefix, tagPrefix)
+	}
+}
+
+func TestWithAsync(t *testing.T) {
+	opts := new(options)
+	async := true
+	funcAsync := WithAsync(async)
+	funcAsync(opts)
+	if opts.async != async {
+		t.Errorf("WithAsync() = %t, want %t", opts.async, async)
+	}
+}
+
+func TestWithForceStopAsyncSend(t *testing.T) {
+	opts := new(options)
+	forceStopAsyncSend := true
+	funcForceStopAsyncSend := WithForceStopAsyncSend(forceStopAsyncSend)
+	funcForceStopAsyncSend(opts)
+	if opts.forceStopAsyncSend != forceStopAsyncSend {
+		t.Errorf("WithForceStopAsyncSend() = %t, want %t", opts.forceStopAsyncSend, forceStopAsyncSend)
+	}
+}
+
 func TestLogger(t *testing.T) {
 	logger, err := NewLogger("tcp://127.0.0.1:24224")
 	if err != nil {
@@ -43,6 +134,38 @@ func TestLogger(t *testing.T) {
 	flog.Error("log", "test")
 }
 
+func TestLoggerWithOpt(t *testing.T) {
+	var duration time.Duration = 1000000000
+	logger, err := NewLogger("tcp://127.0.0.1:24224", WithTimeout(duration))
+	if err != nil {
+		t.Error(err)
+	}
+	defer logger.Close()
+	flog := log.NewHelper(logger)
+
+	flog.Debug("log", "test")
+	flog.Info("log", "test")
+	flog.Warn("log", "test")
+	flog.Error("log", "test")
+}
+
+func TestLoggerError(t *testing.T) {
+	errCase := []string{
+		"foo",
+		"tcp://127.0.0.1/",
+		"tcp://127.0.0.1:1234a",
+		"tcp://127.0.0.1:65535",
+		"https://127.0.0.1:8080",
+		"unix://foo/bar",
+	}
+	for _, errc := range errCase {
+		_, err := NewLogger(errc)
+		if err == nil {
+			t.Error(err)
+		}
+	}
+}
+
 func BenchmarkLoggerPrint(b *testing.B) {
 	b.SetParallelism(100)
 	logger, err := NewLogger("tcp://127.0.0.1:24224")
diff --git a/contrib/log/logrus/logrus_test.go b/contrib/log/logrus/logrus_test.go
new file mode 100644
index 00000000..5a6e69ae
--- /dev/null
+++ b/contrib/log/logrus/logrus_test.go
@@ -0,0 +1,57 @@
+package logrus
+
+import (
+	"bytes"
+	"strings"
+	"testing"
+
+	"github.com/go-kratos/kratos/v2/log"
+	"github.com/sirupsen/logrus"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestLoggerLog(t *testing.T) {
+	tests := map[string]struct {
+		level     logrus.Level
+		formatter logrus.Formatter
+		logLevel  log.Level
+		kvs       []interface{}
+		want      string
+	}{
+		"json format": {
+			level:     logrus.InfoLevel,
+			formatter: &logrus.JSONFormatter{},
+			logLevel:  log.LevelInfo,
+			kvs:       []interface{}{"case", "json format", "msg", "1"},
+			want:      `{"case":"json format","level":"info","msg":"1"`,
+		},
+		"level unmatch": {
+			level:     logrus.InfoLevel,
+			formatter: &logrus.JSONFormatter{},
+			logLevel:  log.LevelDebug,
+			kvs:       []interface{}{"case", "level unmatch", "msg", "1"},
+			want:      "",
+		},
+		"no tags": {
+			level:     logrus.InfoLevel,
+			formatter: &logrus.JSONFormatter{},
+			logLevel:  log.LevelInfo,
+			kvs:       []interface{}{"msg", "1"},
+			want:      `{"level":"info","msg":"1"`,
+		},
+	}
+
+	for name, test := range tests {
+		t.Run(name, func(t *testing.T) {
+			output := new(bytes.Buffer)
+			logger := logrus.New()
+			logger.Level = test.level
+			logger.Out = output
+			logger.Formatter = test.formatter
+			wrapped := NewLogger(logger)
+			_ = wrapped.Log(test.logLevel, test.kvs...)
+
+			assert.True(t, strings.HasPrefix(output.String(), test.want))
+		})
+	}
+}
diff --git a/contrib/log/zap/zap_test.go b/contrib/log/zap/zap_test.go
index efaca258..393af79e 100644
--- a/contrib/log/zap/zap_test.go
+++ b/contrib/log/zap/zap_test.go
@@ -4,14 +4,39 @@ import (
 	"testing"
 
 	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
 
 	"github.com/go-kratos/kratos/v2/log"
 )
 
+type testWriteSyncer struct {
+	output []string
+}
+
+func (x *testWriteSyncer) Write(p []byte) (n int, err error) {
+	x.output = append(x.output, string(p))
+	return len(p), nil
+}
+
+func (x *testWriteSyncer) Sync() error {
+	return nil
+}
+
 func TestLogger(t *testing.T) {
-	logger := NewLogger(zap.NewExample())
+	syncer := &testWriteSyncer{}
+	encoderCfg := zapcore.EncoderConfig{
+		MessageKey:     "msg",
+		LevelKey:       "level",
+		NameKey:        "logger",
+		EncodeLevel:    zapcore.LowercaseLevelEncoder,
+		EncodeTime:     zapcore.ISO8601TimeEncoder,
+		EncodeDuration: zapcore.StringDurationEncoder,
+	}
+	core := zapcore.NewCore(zapcore.NewJSONEncoder(encoderCfg), syncer, zap.DebugLevel)
+	zlogger := zap.New(core).WithOptions()
+	logger := NewLogger(zlogger)
 
-	defer func() { _ = logger.Sync() }()
+	defer func() { _ = logger.Close() }()
 
 	zlog := log.NewHelper(logger)
 
@@ -19,4 +44,19 @@ func TestLogger(t *testing.T) {
 	zlog.Infow("log", "info")
 	zlog.Warnw("log", "warn")
 	zlog.Errorw("log", "error")
+	zlog.Errorw("log", "error", "except warn")
+
+	except := []string{
+		"{\"level\":\"debug\",\"msg\":\"\",\"log\":\"debug\"}\n",
+		"{\"level\":\"info\",\"msg\":\"\",\"log\":\"info\"}\n",
+		"{\"level\":\"warn\",\"msg\":\"\",\"log\":\"warn\"}\n",
+		"{\"level\":\"error\",\"msg\":\"\",\"log\":\"error\"}\n",
+		"{\"level\":\"warn\",\"msg\":\"Keyvalues must appear in pairs: [log error except warn]\"}\n",
+	}
+	for i, s := range except {
+		if s != syncer.output[i] {
+			t.Logf("except=%s, got=%s", s, syncer.output[i])
+			t.Fail()
+		}
+	}
 }
diff --git a/contrib/opensergo/opensergo_test.go b/contrib/opensergo/opensergo_test.go
new file mode 100644
index 00000000..5c752d1c
--- /dev/null
+++ b/contrib/opensergo/opensergo_test.go
@@ -0,0 +1,385 @@
+package opensergo
+
+import (
+	"io/ioutil"
+	"net"
+	"os"
+	"path/filepath"
+	"reflect"
+	"testing"
+
+	srvContractPb "github.com/opensergo/opensergo-go/proto/service_contract/v1"
+	"golang.org/x/net/context"
+	"google.golang.org/genproto/googleapis/api/annotations"
+	"google.golang.org/grpc"
+	"google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/reflect/protodesc"
+	pref "google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/reflect/protoregistry"
+	"google.golang.org/protobuf/types/descriptorpb"
+)
+
+type testMetadataServiceServer struct {
+	srvContractPb.UnimplementedMetadataServiceServer
+}
+
+func (m *testMetadataServiceServer) ReportMetadata(ctx context.Context, req *srvContractPb.ReportMetadataRequest) (*srvContractPb.ReportMetadataReply, error) {
+	return &srvContractPb.ReportMetadataReply{}, nil
+}
+
+type testAppInfo struct {
+	id       string
+	name     string
+	version  string
+	metaData map[string]string
+	endpoint []string
+}
+
+func (t testAppInfo) ID() string {
+	return t.id
+}
+
+func (t testAppInfo) Name() string {
+	return t.name
+}
+
+func (t testAppInfo) Version() string {
+	return t.version
+}
+
+func (t testAppInfo) Metadata() map[string]string {
+	return t.metaData
+}
+
+func (t testAppInfo) Endpoint() []string {
+	return t.endpoint
+}
+
+func TestWithEndpoint(t *testing.T) {
+	o := &options{}
+	v := "127.0.0.1:9090"
+	WithEndpoint(v)(o)
+	if !reflect.DeepEqual(v, o.Endpoint) {
+		t.Fatalf("o.Endpoint:%s is not equal to v:%s", o.Endpoint, v)
+	}
+}
+
+func TestOptionsParseJSON(t *testing.T) {
+	want := &options{
+		Endpoint: "127.0.0.1:9090",
+	}
+	o := &options{}
+	if err := o.ParseJSON([]byte(`{"endpoint":"127.0.0.1:9090"}`)); err != nil {
+		t.Fatalf("o.ParseJSON(v) error:%s", err)
+	}
+	if !reflect.DeepEqual(o, want) {
+		t.Fatalf("o:%v is not equal to want:%v", o, want)
+	}
+}
+
+func TestListDescriptors(t *testing.T) {
+	testPb := &descriptorpb.FileDescriptorProto{
+		Syntax:  proto.String("proto3"),
+		Name:    proto.String("test.proto"),
+		Package: proto.String("test"),
+		MessageType: []*descriptorpb.DescriptorProto{
+			{
+				Name: proto.String("TestMessage"),
+				Field: []*descriptorpb.FieldDescriptorProto{
+					{
+						Name:     proto.String("id"),
+						JsonName: proto.String("id"),
+						Number:   proto.Int32(1),
+						Type:     descriptorpb.FieldDescriptorProto_Type(pref.Int32Kind).Enum(),
+					},
+					{
+						Name:     proto.String("name"),
+						JsonName: proto.String("name"),
+						Number:   proto.Int32(2),
+						Type:     descriptorpb.FieldDescriptorProto_Type(pref.StringKind).Enum(),
+					},
+				},
+			},
+		},
+		Service: []*descriptorpb.ServiceDescriptorProto{
+			{
+				Name: proto.String("TestService"),
+				Method: []*descriptorpb.MethodDescriptorProto{
+					{
+						Name:       proto.String("Create"),
+						InputType:  proto.String("TestMessage"),
+						OutputType: proto.String("TestMessage"),
+					},
+				},
+			},
+		},
+	}
+
+	fd, err := protodesc.NewFile(testPb, nil)
+	if err != nil {
+		t.Fatalf("protodesc.NewFile(pb, nil) error:%s", err)
+	}
+
+	protoregistry.GlobalFiles = new(protoregistry.Files)
+	err = protoregistry.GlobalFiles.RegisterFile(fd)
+	if err != nil {
+		t.Fatalf("protoregistry.GlobalFiles.RegisterFile(fd) error:%s", err)
+	}
+
+	want := struct {
+		services []*srvContractPb.ServiceDescriptor
+		types    []*srvContractPb.TypeDescriptor
+	}{
+		services: []*srvContractPb.ServiceDescriptor{
+			{
+				Name: "TestService",
+				Methods: []*srvContractPb.MethodDescriptor{
+					{
+						Name:            "Create",
+						InputTypes:      []string{"test.TestMessage"},
+						OutputTypes:     []string{"test.TestMessage"},
+						ClientStreaming: proto.Bool(false),
+						ServerStreaming: proto.Bool(false),
+						Description:     nil,
+						HttpPaths:       []string{""},
+						HttpMethods:     []string{""},
+					},
+				},
+			},
+		},
+		types: []*srvContractPb.TypeDescriptor{
+			{
+				Name: "TestMessage",
+				Fields: []*srvContractPb.FieldDescriptor{
+					{
+						Name:     "id",
+						Number:   int32(1),
+						Type:     srvContractPb.FieldDescriptor_TYPE_INT32,
+						TypeName: proto.String("int32"),
+					},
+					{
+						Name:     "name",
+						Number:   int32(2),
+						Type:     srvContractPb.FieldDescriptor_TYPE_STRING,
+						TypeName: proto.String("string"),
+					},
+				},
+			},
+		},
+	}
+
+	services, types, err := listDescriptors()
+	if err != nil {
+		t.Fatalf("listDescriptors error:%s", err)
+	}
+
+	if !reflect.DeepEqual(services, want.services) {
+		t.Fatalf("services:%v is not equal to want.services:%v", services, want.services)
+	}
+	if !reflect.DeepEqual(types, want.types) {
+		t.Fatalf("types:%v is not equal to want.types:%v", types, want.types)
+	}
+}
+
+func TestHTTPPatternInfo(t *testing.T) {
+	type args struct {
+		pattern interface{}
+	}
+	tests := []struct {
+		name       string
+		args       args
+		wantMethod string
+		wantPath   string
+	}{
+		{
+			name: "get",
+			args: args{
+				pattern: &annotations.HttpRule_Get{Get: "/foo"},
+			},
+			wantMethod: "GET",
+			wantPath:   "/foo",
+		},
+		{
+			name: "post",
+			args: args{
+				pattern: &annotations.HttpRule_Post{Post: "/foo"},
+			},
+			wantMethod: "POST",
+			wantPath:   "/foo",
+		},
+		{
+			name: "put",
+			args: args{
+				pattern: &annotations.HttpRule_Put{Put: "/foo"},
+			},
+			wantMethod: "PUT",
+			wantPath:   "/foo",
+		},
+		{
+			name: "delete",
+			args: args{
+				pattern: &annotations.HttpRule_Delete{Delete: "/foo"},
+			},
+			wantMethod: "DELETE",
+			wantPath:   "/foo",
+		},
+		{
+			name: "patch",
+			args: args{
+				pattern: &annotations.HttpRule_Patch{Patch: "/foo"},
+			},
+			wantMethod: "PATCH",
+			wantPath:   "/foo",
+		},
+		{
+			name: "custom",
+			args: args{
+				pattern: &annotations.HttpRule_Custom{
+					Custom: &annotations.CustomHttpPattern{
+						Kind: "CUSTOM",
+						Path: "/foo",
+					},
+				},
+			},
+			wantMethod: "CUSTOM",
+			wantPath:   "/foo",
+		},
+		{
+			name: "other",
+			args: args{
+				pattern: nil,
+			},
+			wantMethod: "",
+			wantPath:   "",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gotMethod, gotPath := HTTPPatternInfo(tt.args.pattern)
+			if gotMethod != tt.wantMethod {
+				t.Errorf("HTTPPatternInfo() gotMethod = %v, want %v", gotMethod, tt.wantMethod)
+			}
+			if gotPath != tt.wantPath {
+				t.Errorf("HTTPPatternInfo() gotPath = %v, want %v", gotPath, tt.wantPath)
+			}
+		})
+	}
+}
+
+func TestOpenSergo(t *testing.T) {
+	srv := grpc.NewServer()
+	srvContractPb.RegisterMetadataServiceServer(srv, new(testMetadataServiceServer))
+	lis, err := net.Listen("tcp", "127.0.0.1:9090")
+	if err != nil {
+		t.Fatalf("net.Listen error:%s", err)
+	}
+	go func() {
+		err := srv.Serve(lis)
+		if err != nil {
+			panic(err)
+		}
+	}()
+
+	app := &testAppInfo{
+		name:     "testApp",
+		endpoint: []string{"//example.com:9090", "//foo.com:9090"},
+	}
+
+	type args struct {
+		opts []Option
+	}
+	tests := []struct {
+		name      string
+		args      args
+		preFunc   func(t *testing.T)
+		deferFunc func(t *testing.T)
+		wantErr   bool
+	}{
+		{
+			name: "test_with_opts",
+			args: args{
+				opts: []Option{
+					WithEndpoint("127.0.0.1:9090"),
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "test_with_env_endpoint",
+			args: args{
+				opts: []Option{},
+			},
+			preFunc: func(t *testing.T) {
+				err := os.Setenv("OPENSERGO_ENDPOINT", "127.0.0.1:9090")
+				if err != nil {
+					panic(err)
+				}
+			},
+			wantErr: false,
+		},
+		{
+			name: "test_with_env_config_file",
+			args: args{
+				opts: []Option{},
+			},
+			preFunc: func(t *testing.T) {
+				err := os.Setenv("OPENSERGO_BOOTSTRAP", `{"endpoint": "127.0.0.1:9090"}`)
+				if err != nil {
+					panic(err)
+				}
+			},
+			wantErr: false,
+		},
+		{
+			name: "test_with_env_bootstrap",
+			args: args{
+				opts: []Option{},
+			},
+			preFunc: func(t *testing.T) {
+				fileContent := `{"endpoint": "127.0.0.1:9090"}`
+				err := ioutil.WriteFile("test.json", []byte(fileContent), 0o644)
+				if err != nil {
+					t.Fatalf("ioutil.WriteFile error:%s", err)
+				}
+				confPath, err := filepath.Abs("./test.json")
+				if err != nil {
+					t.Fatalf("filepath.Abs error:%s", err)
+				}
+				err = os.Setenv("OPENSERGO_BOOTSTRAP_CONFIG", confPath)
+				if err != nil {
+					panic(err)
+				}
+			},
+			deferFunc: func(t *testing.T) {
+				path := os.Getenv("OPENSERGO_BOOTSTRAP_CONFIG")
+				if path != "" {
+					err := os.Remove(path)
+					if err != nil {
+						t.Fatalf("os.Remove error:%s", err)
+					}
+				}
+			},
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.preFunc != nil {
+				tt.preFunc(t)
+			}
+			if tt.deferFunc != nil {
+				defer tt.deferFunc(t)
+			}
+			osServer, err := New(tt.args.opts...)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("New() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			err = osServer.ReportMetadata(context.Background(), app)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("ReportMetadata() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+		})
+	}
+}
diff --git a/contrib/registry/consul/registry_test.go b/contrib/registry/consul/registry_test.go
index e6b85e7d..483faf1a 100644
--- a/contrib/registry/consul/registry_test.go
+++ b/contrib/registry/consul/registry_test.go
@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"net"
 	"reflect"
-	"strconv"
 	"testing"
 	"time"
 
@@ -24,7 +23,123 @@ func tcpServer(t *testing.T, lis net.Listener) {
 	}
 }
 
-func TestRegister(t *testing.T) {
+func TestRegistry_Register(t *testing.T) {
+	opts := []Option{
+		WithHealthCheck(false),
+	}
+
+	type args struct {
+		ctx        context.Context
+		serverName string
+		server     []*registry.ServiceInstance
+	}
+
+	test := []struct {
+		name    string
+		args    args
+		want    []*registry.ServiceInstance
+		wantErr bool
+	}{
+		{
+			name: "normal",
+			args: args{
+				ctx:        context.Background(),
+				serverName: "server-1",
+				server: []*registry.ServiceInstance{
+					{
+						ID:        "1",
+						Name:      "server-1",
+						Version:   "v0.0.1",
+						Metadata:  nil,
+						Endpoints: []string{"http://127.0.0.1:8000"},
+					},
+				},
+			},
+			want: []*registry.ServiceInstance{
+				{
+					ID:        "1",
+					Name:      "server-1",
+					Version:   "v0.0.1",
+					Metadata:  nil,
+					Endpoints: []string{"http://127.0.0.1:8000"},
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "registry new service replace old service",
+			args: args{
+				ctx:        context.Background(),
+				serverName: "server-1",
+				server: []*registry.ServiceInstance{
+					{
+						ID:        "1",
+						Name:      "server-1",
+						Version:   "v0.0.1",
+						Metadata:  nil,
+						Endpoints: []string{"http://127.0.0.1:8000"},
+					},
+					{
+						ID:        "1",
+						Name:      "server-1",
+						Version:   "v0.0.2",
+						Metadata:  nil,
+						Endpoints: []string{"http://127.0.0.1:8000"},
+					},
+				},
+			},
+			want: []*registry.ServiceInstance{
+				{
+					ID:        "1",
+					Name:      "server-1",
+					Version:   "v0.0.2",
+					Metadata:  nil,
+					Endpoints: []string{"http://127.0.0.1:8000"},
+				},
+			},
+			wantErr: false,
+		},
+	}
+
+	for _, tt := range test {
+		t.Run(tt.name, func(t *testing.T) {
+			cli, err := api.NewClient(&api.Config{Address: "127.0.0.1:8500"})
+			if err != nil {
+				t.Fatalf("create consul client failed: %v", err)
+			}
+
+			r := New(cli, opts...)
+
+			for _, instance := range tt.args.server {
+				err = r.Register(tt.args.ctx, instance)
+				if err != nil {
+					t.Error(err)
+				}
+			}
+
+			watch, err := r.Watch(tt.args.ctx, tt.args.serverName)
+			if err != nil {
+				t.Error(err)
+			}
+			got, err := watch.Next()
+
+			if (err != nil) != tt.wantErr {
+				t.Errorf("GetService() error = %v, wantErr %v", err, tt.wantErr)
+				t.Errorf("GetService() got = %v", got)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("GetService() got = %v, want %v", got, tt.want)
+			}
+
+			for _, instance := range tt.args.server {
+				_ = r.Deregister(tt.args.ctx, instance)
+			}
+		})
+	}
+}
+
+func TestRegistry_GetService(t *testing.T) {
 	addr := fmt.Sprintf("%s:9091", getIntranetIP())
 	lis, err := net.Listen("tcp", addr)
 	if err != nil {
@@ -44,47 +159,212 @@ func TestRegister(t *testing.T) {
 		WithHealthCheckInterval(5),
 	}
 	r := New(cli, opts...)
-	if err != nil {
-		t.Errorf("new consul registry failed: %v", err)
-	}
-	version := strconv.FormatInt(time.Now().Unix(), 10)
-	svc := &registry.ServiceInstance{
-		ID:        "test2233",
-		Name:      "test-provider",
-		Version:   version,
-		Metadata:  map[string]string{"app": "kratos"},
+
+	instance1 := &registry.ServiceInstance{
+		ID:        "1",
+		Name:      "server-1",
+		Version:   "v0.0.1",
 		Endpoints: []string{fmt.Sprintf("tcp://%s?isSecure=false", addr)},
 	}
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	defer cancel()
-	err = r.Register(ctx, svc)
-	if err != nil {
-		t.Errorf("Register failed: %v", err)
+
+	type fields struct {
+		registry *Registry
 	}
-	w, err := r.Watch(ctx, "test-provider")
-	if err != nil {
-		t.Errorf("Watchfailed: %v", err)
+	type args struct {
+		ctx         context.Context
+		serviceName string
+	}
+	tests := []struct {
+		name      string
+		fields    fields
+		args      args
+		want      []*registry.ServiceInstance
+		wantErr   bool
+		preFunc   func(t *testing.T)
+		deferFunc func(t *testing.T)
+	}{
+		{
+			name:   "normal",
+			fields: fields{r},
+			args: args{
+				ctx:         context.Background(),
+				serviceName: "server-1",
+			},
+			want:    []*registry.ServiceInstance{instance1},
+			wantErr: false,
+			preFunc: func(t *testing.T) {
+				if err := r.Register(context.Background(), instance1); err != nil {
+					t.Error(err)
+				}
+				watch, err := r.Watch(context.Background(), instance1.Name)
+				if err != nil {
+					t.Error(err)
+				}
+				_, err = watch.Next()
+				if err != nil {
+					t.Error(err)
+				}
+			},
+			deferFunc: func(t *testing.T) {
+				err := r.Deregister(context.Background(), instance1)
+				if err != nil {
+					t.Error(err)
+				}
+			},
+		},
+		{
+			name:   "can't get any",
+			fields: fields{r},
+			args: args{
+				ctx:         context.Background(),
+				serviceName: "server-x",
+			},
+			want:    nil,
+			wantErr: true,
+			preFunc: func(t *testing.T) {
+				if err := r.Register(context.Background(), instance1); err != nil {
+					t.Error(err)
+				}
+				watch, err := r.Watch(context.Background(), instance1.Name)
+				if err != nil {
+					t.Error(err)
+				}
+				_, err = watch.Next()
+				if err != nil {
+					t.Error(err)
+				}
+			},
+			deferFunc: func(t *testing.T) {
+				err := r.Deregister(context.Background(), instance1)
+				if err != nil {
+					t.Error(err)
+				}
+			},
+		},
 	}
 
-	services, err := w.Next()
-	if err != nil {
-		t.Errorf("Next failed: %v", err)
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			if test.preFunc != nil {
+				test.preFunc(t)
+			}
+			if test.deferFunc != nil {
+				defer test.deferFunc(t)
+			}
+
+			service, err := test.fields.registry.GetService(context.Background(), test.args.serviceName)
+			if (err != nil) != test.wantErr {
+				t.Errorf("GetService() error = %v, wantErr %v", err, test.wantErr)
+				t.Errorf("GetService() got = %v", service)
+				return
+			}
+			if !reflect.DeepEqual(service, test.want) {
+				t.Errorf("GetService() got = %v, want %v", service, test.want)
+			}
+		})
 	}
-	if !reflect.DeepEqual(1, len(services)) {
-		t.Errorf("no expect float_key value: %v, but got: %v", len(services), 1)
+}
+
+func TestRegistry_Watch(t *testing.T) {
+	addr := fmt.Sprintf("%s:9091", getIntranetIP())
+
+	time.Sleep(time.Millisecond * 100)
+	cli, err := api.NewClient(&api.Config{Address: "127.0.0.1:8500", WaitTime: 2 * time.Second})
+	if err != nil {
+		t.Fatalf("create consul client failed: %v", err)
 	}
-	if !reflect.DeepEqual("test2233", services[0].ID) {
-		t.Errorf("no expect float_key value: %v, but got: %v", services[0].ID, "test2233")
+
+	instance1 := &registry.ServiceInstance{
+		ID:        "1",
+		Name:      "server-1",
+		Version:   "v0.0.1",
+		Endpoints: []string{fmt.Sprintf("tcp://%s?isSecure=false", addr)},
 	}
-	if !reflect.DeepEqual("test-provider", services[0].Name) {
-		t.Errorf("no expect float_key value: %v, but got: %v", services[0].Name, "test-provider")
+
+	type args struct {
+		ctx      context.Context
+		opts     []Option
+		instance *registry.ServiceInstance
 	}
-	if !reflect.DeepEqual(version, services[0].Version) {
-		t.Errorf("no expect float_key value: %v, but got: %v", services[0].Version, version)
+	tests := []struct {
+		name    string
+		args    args
+		want    []*registry.ServiceInstance
+		wantErr bool
+		preFunc func(t *testing.T)
+	}{
+		{
+			name: "normal",
+			args: args{
+				ctx:      context.Background(),
+				instance: instance1,
+				opts: []Option{
+					WithHealthCheck(false),
+				},
+			},
+			want:    []*registry.ServiceInstance{instance1},
+			wantErr: false,
+			preFunc: func(t *testing.T) {
+			},
+		},
+		{
+			name: "register with healthCheck",
+			args: args{
+				ctx:      context.Background(),
+				instance: instance1,
+				opts: []Option{
+					WithHeartbeat(true),
+					WithHealthCheck(true),
+					WithHealthCheckInterval(5),
+				},
+			},
+			want:    []*registry.ServiceInstance{instance1},
+			wantErr: false,
+			preFunc: func(t *testing.T) {
+				lis, err := net.Listen("tcp", addr)
+				if err != nil {
+					t.Errorf("listen tcp %s failed!", addr)
+				}
+				go tcpServer(t, lis)
+			},
+		},
 	}
-	err = r.Deregister(ctx, svc)
-	if err != nil {
-		t.Errorf("Deregister failed: %v", err)
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.preFunc != nil {
+				tt.preFunc(t)
+			}
+
+			r := New(cli, tt.args.opts...)
+
+			err := r.Register(tt.args.ctx, tt.args.instance)
+			if err != nil {
+				t.Error(err)
+			}
+			defer func() {
+				err = r.Deregister(tt.args.ctx, tt.args.instance)
+				if err != nil {
+					t.Error(err)
+				}
+			}()
+
+			watch, err := r.Watch(tt.args.ctx, tt.args.instance.Name)
+			if err != nil {
+				t.Error(err)
+			}
+
+			service, err := watch.Next()
+
+			if (err != nil) != tt.wantErr {
+				t.Errorf("GetService() error = %v, wantErr %v", err, tt.wantErr)
+				t.Errorf("GetService() got = %v", service)
+				return
+			}
+			if !reflect.DeepEqual(service, tt.want) {
+				t.Errorf("GetService() got = %v, want %v", service, tt.want)
+			}
+		})
 	}
 }
 
diff --git a/contrib/registry/kubernetes/registry_test.go b/contrib/registry/kubernetes/registry_test.go
new file mode 100644
index 00000000..2363b1c3
--- /dev/null
+++ b/contrib/registry/kubernetes/registry_test.go
@@ -0,0 +1,186 @@
+package kuberegistry
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"github.com/go-kratos/kratos/v2/registry"
+
+	appsv1 "k8s.io/api/apps/v1"
+	apiv1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/rest"
+	"k8s.io/client-go/tools/clientcmd"
+	"k8s.io/client-go/util/homedir"
+)
+
+const (
+	namespace  = "default"
+	deployName = "hello-deployment"
+	podName    = "hello"
+)
+
+var deployment = appsv1.Deployment{
+	ObjectMeta: metav1.ObjectMeta{
+		Name: deployName,
+	},
+	Spec: appsv1.DeploymentSpec{
+		Replicas: int32Ptr(1),
+		Selector: &metav1.LabelSelector{
+			MatchLabels: map[string]string{
+				"app": podName,
+			},
+		},
+		Template: apiv1.PodTemplateSpec{
+			ObjectMeta: metav1.ObjectMeta{
+				Labels: map[string]string{
+					"app": podName,
+				},
+			},
+			Spec: apiv1.PodSpec{
+				Containers: []apiv1.Container{
+					{
+						Name:  "nginx",
+						Image: "nginx:alpine",
+						Ports: []apiv1.ContainerPort{
+							{
+								Name:          "http",
+								Protocol:      apiv1.ProtocolTCP,
+								ContainerPort: 80,
+							},
+						},
+						Command: []string{
+							"nginx",
+							"-g",
+							"daemon off;",
+						},
+					},
+				},
+			},
+		},
+	},
+}
+
+func getClientSet() (*kubernetes.Clientset, error) {
+	restConfig, err := rest.InClusterConfig()
+	home := homedir.HomeDir()
+
+	if err != nil {
+		kubeconfig := filepath.Join(home, ".kube", "config")
+		restConfig, err = clientcmd.BuildConfigFromFlags("", kubeconfig)
+		if err != nil {
+			return nil, err
+		}
+	}
+	clientSet, err := kubernetes.NewForConfig(restConfig)
+	if err != nil {
+		return nil, err
+	}
+	return clientSet, nil
+}
+
+func int32Ptr(i int32) *int32 { return &i }
+
+func TestSetEnv(t *testing.T) {
+	os.Setenv("HOSTNAME", podName)
+	if os.Getenv("HOSTNAME") != podName {
+		t.Fatal("error")
+	}
+}
+
+func TestRegistry(t *testing.T) {
+	currentNamespace = "default"
+
+	clientSet, err := getClientSet()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	r := NewRegistry(clientSet)
+	r.Start()
+
+	svrHello := &registry.ServiceInstance{
+		ID:        "1",
+		Name:      "hello",
+		Version:   "v1.0.0",
+		Endpoints: []string{"http://127.0.0.1:80"},
+	}
+	_, err = clientSet.AppsV1().Deployments(namespace).Create(context.Background(), &deployment, metav1.CreateOptions{})
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	watch, err := r.Watch(context.Background(), svrHello.Name)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	defer func() {
+		_ = watch.Stop()
+	}()
+
+	go func() {
+		for {
+			res, err1 := watch.Next()
+			if err1 != nil {
+				return
+			}
+			t.Logf("watch: %d", len(res))
+			for _, r := range res {
+				t.Logf("next: %+v", r)
+			}
+		}
+	}()
+	time.Sleep(time.Second)
+
+	pod, err := clientSet.CoreV1().Pods(namespace).List(context.Background(), metav1.ListOptions{
+		LabelSelector: "app=hello",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if len(pod.Items) < 1 {
+		t.Fatal("fetch resource error")
+	}
+
+	os.Setenv("HOSTNAME", pod.Items[0].Name)
+
+	// Alway remember delete test resource
+	defer func() {
+		_ = clientSet.AppsV1().Deployments(namespace).Delete(context.Background(), deployName, metav1.DeleteOptions{})
+	}()
+
+	if err = r.Register(context.Background(), svrHello); err != nil {
+		t.Fatal(err)
+	}
+	time.Sleep(time.Second)
+
+	res, err := r.GetService(context.Background(), svrHello.Name)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if len(res) != 1 && res[0].Name != svrHello.Name {
+		t.Fatal(err)
+	}
+
+	if err1 := r.Deregister(context.Background(), svrHello); err1 != nil {
+		t.Fatal(err1)
+	}
+
+	time.Sleep(time.Second)
+
+	res, err = r.GetService(context.Background(), svrHello.Name)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(res) != 0 {
+		t.Fatal("not expected empty")
+	}
+}
diff --git a/contrib/registry/nacos/registry_test.go b/contrib/registry/nacos/registry_test.go
index 62765b0c..1910a68d 100644
--- a/contrib/registry/nacos/registry_test.go
+++ b/contrib/registry/nacos/registry_test.go
@@ -2,8 +2,7 @@ package nacos
 
 import (
 	"context"
-	"log"
-	"net"
+	"reflect"
 	"testing"
 	"time"
 
@@ -14,29 +13,9 @@ import (
 	"github.com/go-kratos/kratos/v2/registry"
 )
 
-func getIntranetIP() string {
-	addrs, err := net.InterfaceAddrs()
-	if err != nil {
-		return "127.0.0.1"
-	}
-
-	for _, address := range addrs {
-		if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
-			if ipnet.IP.To4() != nil {
-				return ipnet.IP.String()
-			}
-		}
-	}
-	return "127.0.0.1"
-}
-
-func TestRegistry(t *testing.T) {
-	ip := getIntranetIP()
-	serviceName := "golang-sms@grpc"
-	ctx := context.Background()
-
+func TestRegistry_Register(t *testing.T) {
 	sc := []constant.ServerConfig{
-		*constant.NewServerConfig(ip, 8848),
+		*constant.NewServerConfig("127.0.0.1", 8848),
 	}
 
 	cc := constant.ClientConfig{
@@ -60,76 +39,298 @@ func TestRegistry(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
+	r := New(client)
 
-	_, err = client.RegisterInstance(vo.RegisterInstanceParam{
-		Ip:          "f",
-		Port:        8840,
-		ServiceName: serviceName,
-		Weight:      10,
-		Enable:      true,
-		Healthy:     true,
-		Ephemeral:   true,
-		Metadata:    map[string]string{"idc": "shanghai-xs"},
-	})
-	if err != nil {
-		t.Fatal(err)
+	testServer := &registry.ServiceInstance{
+		ID:        "1",
+		Name:      "test1",
+		Version:   "v1.0.0",
+		Endpoints: []string{"http://127.0.0.1:8080?isSecure=false"},
+	}
+	testServerWithMetadata := &registry.ServiceInstance{
+		ID:        "1",
+		Name:      "test1",
+		Version:   "v1.0.0",
+		Endpoints: []string{"http://127.0.0.1:8080?isSecure=false"},
+		Metadata:  map[string]string{"idc": "shanghai-xs"},
+	}
+	type fields struct {
+		registry *Registry
+	}
+	type args struct {
+		ctx     context.Context
+		service *registry.ServiceInstance
+	}
+	tests := []struct {
+		name      string
+		fields    fields
+		args      args
+		wantErr   bool
+		deferFunc func(t *testing.T)
+	}{
+		{
+			name: "normal",
+			fields: fields{
+				registry: New(client),
+			},
+			args: args{
+				ctx:     context.Background(),
+				service: testServer,
+			},
+			wantErr: false,
+			deferFunc: func(t *testing.T) {
+				err = r.Deregister(context.Background(), testServer)
+				if err != nil {
+					t.Error(err)
+				}
+			},
+		},
+		{
+			name: "withMetadata",
+			fields: fields{
+				registry: New(client),
+			},
+			args: args{
+				ctx:     context.Background(),
+				service: testServerWithMetadata,
+			},
+			wantErr: false,
+			deferFunc: func(t *testing.T) {
+				err = r.Deregister(context.Background(), testServerWithMetadata)
+				if err != nil {
+					t.Error(err)
+				}
+			},
+		},
+		{
+			name: "error",
+			fields: fields{
+				registry: New(client),
+			},
+			args: args{
+				ctx: context.Background(),
+				service: &registry.ServiceInstance{
+					ID:        "1",
+					Name:      "",
+					Version:   "v1.0.0",
+					Endpoints: []string{"http://127.0.0.1:8080?isSecure=false"},
+				},
+			},
+			wantErr: true,
+		},
+		{
+			name: "urlError",
+			fields: fields{
+				registry: New(client),
+			},
+			args: args{
+				ctx: context.Background(),
+				service: &registry.ServiceInstance{
+					ID:        "1",
+					Name:      "test",
+					Version:   "v1.0.0",
+					Endpoints: []string{"127.0.0.1:8080"},
+				},
+			},
+			wantErr: true,
+		},
+		{
+			name: "portError",
+			fields: fields{
+				registry: New(client),
+			},
+			args: args{
+				ctx: context.Background(),
+				service: &registry.ServiceInstance{
+					ID:        "1",
+					Name:      "test",
+					Version:   "v1.0.0",
+					Endpoints: []string{"http://127.0.0.1888"},
+				},
+			},
+			wantErr: true,
+		},
+		{
+			name: "withCluster",
+			fields: fields{
+				registry: New(client, WithCluster("test")),
+			},
+			args: args{
+				ctx:     context.Background(),
+				service: testServer,
+			},
+			wantErr: false,
+		},
+		{
+			name: "withGroup",
+			fields: fields{
+				registry: New(client, WithGroup("TEST_GROUP")),
+			},
+			args: args{
+				ctx:     context.Background(),
+				service: testServer,
+			},
+			wantErr: false,
+		},
+		{
+			name: "withWeight",
+			fields: fields{
+				registry: New(client, WithWeight(200)),
+			},
+			args: args{
+				ctx:     context.Background(),
+				service: testServer,
+			},
+			wantErr: false,
+		},
+		{
+			name: "withPrefix",
+			fields: fields{
+				registry: New(client, WithPrefix("test")),
+			},
+			args: args{
+				ctx:     context.Background(),
+				service: testServer,
+			},
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := tt.fields.registry
+			if err := r.Register(tt.args.ctx, tt.args.service); (err != nil) != tt.wantErr {
+				t.Errorf("Register error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
 	}
+}
 
-	time.Sleep(time.Second)
+func TestRegistry_Deregister(t *testing.T) {
+	testServer := &registry.ServiceInstance{
+		ID:        "1",
+		Name:      "test2",
+		Version:   "v1.0.0",
+		Endpoints: []string{"http://127.0.0.1:8080?isSecure=false"},
+	}
 
-	is, err := client.GetService(vo.GetServiceParam{
-		ServiceName: serviceName,
-	})
-	if err != nil {
-		t.Fatal(err)
+	type args struct {
+		ctx     context.Context
+		service *registry.ServiceInstance
 	}
-	t.Logf("is %#v", is)
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+		preFunc func(t *testing.T)
+	}{
+		{
+			name: "normal",
+			args: args{
+				ctx:     context.Background(),
+				service: testServer,
+			},
+			wantErr: false,
+			preFunc: func(t *testing.T) {
+				sc := []constant.ServerConfig{
+					*constant.NewServerConfig("127.0.0.1", 8848),
+				}
 
-	time.Sleep(time.Second)
-	r := New(client)
+				cc := constant.ClientConfig{
+					NamespaceId:         "public", // namespace id
+					TimeoutMs:           5000,
+					NotLoadCacheAtStart: true,
+					LogDir:              "/tmp/nacos/log",
+					CacheDir:            "/tmp/nacos/cache",
+					RotateTime:          "1h",
+					MaxAge:              3,
+					LogLevel:            "debug",
+				}
 
-	go func() {
-		var (
-			w        registry.Watcher
-			watchErr error
-		)
-		w, watchErr = r.Watch(ctx, "golang-sms@grpc")
-		if watchErr != nil {
-			log.Fatal(watchErr)
-		}
-		for {
-			var res []*registry.ServiceInstance
-			res, watchErr = w.Next()
-			if watchErr != nil {
-				return
-			}
-			log.Printf("watch: %d", len(res))
-			for _, r := range res {
-				log.Printf("next: %+v", r)
+				// a more graceful way to create naming client
+				client, err := clients.NewNamingClient(
+					vo.NacosClientParam{
+						ClientConfig:  &cc,
+						ServerConfigs: sc,
+					},
+				)
+				if err != nil {
+					t.Fatal(err)
+				}
+				r := New(client)
+				err = r.Register(context.Background(), testServer)
+				if err != nil {
+					t.Error(err)
+				}
+			},
+		},
+		{
+			name: "error",
+			args: args{
+				ctx: context.Background(),
+				service: &registry.ServiceInstance{
+					ID:        "1",
+					Name:      "test",
+					Version:   "v1.0.0",
+					Endpoints: []string{"127.0.0.1:8080"},
+				},
+			},
+			wantErr: true,
+		},
+		{
+			name: "errorPort",
+			args: args{
+				ctx: context.Background(),
+				service: &registry.ServiceInstance{
+					ID:        "1",
+					Name:      "notExist",
+					Version:   "v1.0.0",
+					Endpoints: []string{"http://127.0.0.18080"},
+				},
+			},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			sc := []constant.ServerConfig{
+				*constant.NewServerConfig("127.0.0.1", 8848),
 			}
-		}
-	}()
 
-	time.Sleep(time.Second)
+			cc := constant.ClientConfig{
+				NamespaceId:         "public", // namespace id
+				TimeoutMs:           5000,
+				NotLoadCacheAtStart: true,
+				LogDir:              "/tmp/nacos/log",
+				CacheDir:            "/tmp/nacos/cache",
+				RotateTime:          "1h",
+				MaxAge:              3,
+				LogLevel:            "debug",
+			}
 
-	ins, err := r.GetService(ctx, serviceName)
-	if err != nil {
-		t.Fatal(err)
-	}
-	for _, in := range ins {
-		t.Logf("ins: %#v", in)
+			// a more graceful way to create naming client
+			client, err := clients.NewNamingClient(
+				vo.NacosClientParam{
+					ClientConfig:  &cc,
+					ServerConfigs: sc,
+				},
+			)
+			if err != nil {
+				t.Fatal(err)
+			}
+			r := New(client)
+			if tt.preFunc != nil {
+				tt.preFunc(t)
+			}
+			if err := r.Deregister(tt.args.ctx, tt.args.service); (err != nil) != tt.wantErr {
+				t.Errorf("Deregister error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
 	}
-
-	time.Sleep(time.Second)
 }
 
-func TestRegistryMany(t *testing.T) {
-	ip := getIntranetIP()
-	serviceName := "golang-sms@grpc"
-	// ctx := context.Background()
-
+func TestRegistry_GetService(t *testing.T) {
 	sc := []constant.ServerConfig{
-		*constant.NewServerConfig(ip, 8848),
+		*constant.NewServerConfig("127.0.0.1", 8848),
 	}
 
 	cc := constant.ClientConfig{
@@ -153,61 +354,219 @@ func TestRegistryMany(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-
-	_, err = client.RegisterInstance(vo.RegisterInstanceParam{
-		Ip:          "f1",
-		Port:        8840,
-		ServiceName: serviceName,
-		Weight:      10,
-		Enable:      true,
-		Healthy:     true,
-		Ephemeral:   true,
-		Metadata:    map[string]string{"idc": "shanghai-xs"},
-	})
-	if err != nil {
-		t.Fatal(err)
+	r := New(client)
+	testServer := &registry.ServiceInstance{
+		ID:        "1",
+		Name:      "test3",
+		Version:   "v1.0.0",
+		Endpoints: []string{"grpc://127.0.0.1:8080?isSecure=false"},
 	}
 
-	_, err = client.RegisterInstance(vo.RegisterInstanceParam{
-		Ip:          "f2",
-		Port:        8840,
-		ServiceName: serviceName,
-		Weight:      10,
-		Enable:      true,
-		Healthy:     true,
-		Ephemeral:   true,
-		Metadata:    map[string]string{"idc": "shanghai-xs"},
-	})
-	if err != nil {
-		t.Fatal(err)
+	type fields struct {
+		registry *Registry
 	}
+	type args struct {
+		ctx         context.Context
+		serviceName string
+	}
+	tests := []struct {
+		name      string
+		fields    fields
+		args      args
+		want      []*registry.ServiceInstance
+		wantErr   bool
+		preFunc   func(t *testing.T)
+		deferFunc func(t *testing.T)
+	}{
+		{
+			name: "normal",
+			preFunc: func(t *testing.T) {
+				err = r.Register(context.Background(), testServer)
+				if err != nil {
+					t.Error(err)
+				}
+				time.Sleep(time.Second)
+			},
+			deferFunc: func(t *testing.T) {
+				err = r.Deregister(context.Background(), testServer)
+				if err != nil {
+					t.Error(err)
+				}
+			},
+			fields: fields{
+				registry: r,
+			},
+			args: args{
+				ctx:         context.Background(),
+				serviceName: testServer.Name + "." + "grpc",
+			},
+			want: []*registry.ServiceInstance{{
+				ID:        "127.0.0.1#8080#DEFAULT#DEFAULT_GROUP@@test3.grpc",
+				Name:      "DEFAULT_GROUP@@test3.grpc",
+				Version:   "v1.0.0",
+				Metadata:  map[string]string{"version": "v1.0.0", "kind": "grpc"},
+				Endpoints: []string{"grpc://127.0.0.1:8080"},
+			}},
+			wantErr: false,
+		},
+		{
+			name: "errorNotExist",
+			fields: fields{
+				registry: r,
+			},
+			args: args{
+				ctx:         context.Background(),
+				serviceName: "notExist",
+			},
+			want:    nil,
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.preFunc != nil {
+				tt.preFunc(t)
+			}
+			if tt.deferFunc != nil {
+				defer tt.deferFunc(t)
+			}
+			r := tt.fields.registry
+			got, err := r.GetService(tt.args.ctx, tt.args.serviceName)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("GetService error = %v, wantErr %v", err, tt.wantErr)
+				t.Errorf("GetService got = %v", got)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("GetService got = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
 
-	_, err = client.RegisterInstance(vo.RegisterInstanceParam{
-		Ip:          "f3",
-		Port:        8840,
-		ServiceName: serviceName,
-		Weight:      10,
-		Enable:      true,
-		Healthy:     true,
-		Ephemeral:   true,
-		Metadata:    map[string]string{"idc": "shanghai-xs"},
-	})
-	if err != nil {
-		t.Fatal(err)
+func TestRegistry_Watch(t *testing.T) {
+	sc := []constant.ServerConfig{
+		*constant.NewServerConfig("127.0.0.1", 8848),
 	}
 
-	time.Sleep(time.Second)
+	cc := constant.ClientConfig{
+		NamespaceId:         "public", // namespace id
+		TimeoutMs:           5000,
+		NotLoadCacheAtStart: true,
+		LogDir:              "/tmp/nacos/log",
+		CacheDir:            "/tmp/nacos/cache",
+		RotateTime:          "1h",
+		MaxAge:              3,
+		LogLevel:            "debug",
+	}
 
-	is, err := client.GetService(vo.GetServiceParam{
-		ServiceName: serviceName,
-	})
+	// a more graceful way to create naming client
+	client, err := clients.NewNamingClient(
+		vo.NacosClientParam{
+			ClientConfig:  &cc,
+			ServerConfigs: sc,
+		},
+	)
 	if err != nil {
 		t.Fatal(err)
 	}
+	r := New(client)
 
-	for _, host := range is.Hosts {
-		t.Logf("host: %#v,e: %v", host, err)
+	testServer := &registry.ServiceInstance{
+		ID:        "1",
+		Name:      "test4",
+		Version:   "v1.0.0",
+		Endpoints: []string{"grpc://127.0.0.1:8080?isSecure=false"},
 	}
 
-	time.Sleep(time.Second)
+	cancelCtx, cancel := context.WithCancel(context.Background())
+	type fields struct {
+		registry *Registry
+	}
+	type args struct {
+		ctx         context.Context
+		serviceName string
+	}
+	tests := []struct {
+		name        string
+		fields      fields
+		args        args
+		wantErr     bool
+		want        []*registry.ServiceInstance
+		processFunc func(t *testing.T)
+	}{
+		{
+			name: "normal",
+			fields: fields{
+				registry: New(client),
+			},
+			args: args{
+				ctx:         context.Background(),
+				serviceName: testServer.Name + "." + "grpc",
+			},
+			wantErr: false,
+			want: []*registry.ServiceInstance{{
+				ID:        "127.0.0.1#8080#DEFAULT#DEFAULT_GROUP@@test4.grpc",
+				Name:      "DEFAULT_GROUP@@test4.grpc",
+				Version:   "v1.0.0",
+				Metadata:  map[string]string{"version": "v1.0.0", "kind": "grpc"},
+				Endpoints: []string{"grpc://127.0.0.1:8080"},
+			}},
+			processFunc: func(t *testing.T) {
+				err = r.Register(context.Background(), testServer)
+				if err != nil {
+					t.Error(err)
+				}
+			},
+		},
+		{
+			name: "ctxCancel",
+			fields: fields{
+				registry: r,
+			},
+			args: args{
+				ctx:         cancelCtx,
+				serviceName: testServer.Name,
+			},
+			wantErr: true,
+			want:    nil,
+			processFunc: func(t *testing.T) {
+				cancel()
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := tt.fields.registry
+			watch, err := r.Watch(tt.args.ctx, tt.args.serviceName)
+			if err != nil {
+				t.Error(err)
+				return
+			}
+			defer func() {
+				err = watch.Stop()
+				if err != nil {
+					t.Error(err)
+				}
+			}()
+			_, err = watch.Next()
+			if err != nil {
+				t.Error(err)
+				return
+			}
+
+			if tt.processFunc != nil {
+				tt.processFunc(t)
+			}
+
+			want, err := watch.Next()
+			if (err != nil) != tt.wantErr {
+				t.Errorf("Watch error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(want, tt.want) {
+				t.Errorf("Watch watcher = %v, want %v", watch, tt.want)
+			}
+		})
+	}
 }
diff --git a/contrib/registry/zookeeper/register_test.go b/contrib/registry/zookeeper/register_test.go
index 8054548d..131f3ee1 100644
--- a/contrib/registry/zookeeper/register_test.go
+++ b/contrib/registry/zookeeper/register_test.go
@@ -2,6 +2,7 @@ package zookeeper
 
 import (
 	"context"
+	"reflect"
 	"testing"
 	"time"
 
@@ -9,79 +10,410 @@ import (
 	"github.com/go-zookeeper/zk"
 )
 
-func TestRegistry(t *testing.T) {
-	ctx := context.Background()
-	s := &registry.ServiceInstance{
-		ID:        "0",
-		Name:      "helloworld",
-		Endpoints: []string{"http://127.0.0.1:1111"},
-	}
-
+func TestRegistry_GetService(t *testing.T) {
 	conn, _, err := zk.Connect([]string{"127.0.0.1:2181"}, time.Second*15)
 	if err != nil {
 		t.Fatal(err)
 		return
 	}
 	r := New(conn)
-	err = r.Register(ctx, s)
-	if err != nil {
-		t.Fatal(err)
-		return
+
+	svrHello := &registry.ServiceInstance{
+		ID:        "1",
+		Name:      "hello",
+		Version:   "v1.0.0",
+		Endpoints: []string{"127.0.0.1:8080"},
 	}
-	time.Sleep(time.Second)
 
-	w, err := r.Watch(ctx, s.Name)
-	if err != nil {
-		t.Fatal(err)
-		return
+	type fields struct {
+		registry *Registry
+	}
+	type args struct {
+		ctx         context.Context
+		serviceName string
 	}
-	defer func() {
-		_ = w.Stop()
-	}()
-	go func() {
-		for {
-			res, nextErr := w.Next()
-			if nextErr != nil {
-				t.Errorf("watch next error: %s", nextErr)
+	tests := []struct {
+		name      string
+		fields    fields
+		args      args
+		want      []*registry.ServiceInstance
+		wantErr   bool
+		preFunc   func(t *testing.T)
+		deferFunc func(t *testing.T)
+	}{
+		{
+			name: "normal",
+			preFunc: func(t *testing.T) {
+				err = r.Register(context.Background(), svrHello)
+				if err != nil {
+					t.Error(err)
+				}
+			},
+			deferFunc: func(t *testing.T) {
+				err = r.Deregister(context.Background(), svrHello)
+				if err != nil {
+					t.Error(err)
+				}
+			},
+			fields: fields{
+				registry: r,
+			},
+			args: args{
+				ctx:         context.Background(),
+				serviceName: svrHello.Name,
+			},
+			want:    []*registry.ServiceInstance{svrHello},
+			wantErr: false,
+		},
+		{
+			name: "can't get any",
+			fields: fields{
+				registry: r,
+			},
+			args: args{
+				ctx:         context.Background(),
+				serviceName: "helloxxx",
+			},
+			want:    nil,
+			wantErr: true,
+		},
+		{
+			name: "conn close",
+			preFunc: func(t *testing.T) {
+				conn.Close()
+			},
+			fields: fields{
+				registry: r,
+			},
+			args: args{
+				ctx:         context.Background(),
+				serviceName: "hello",
+			},
+			want:    nil,
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.preFunc != nil {
+				tt.preFunc(t)
+			}
+			if tt.deferFunc != nil {
+				defer tt.deferFunc(t)
+			}
+			r := tt.fields.registry
+			got, err := r.GetService(tt.args.ctx, tt.args.serviceName)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("GetService() error = %v, wantErr %v", err, tt.wantErr)
+				t.Errorf("GetService() got = %v", got)
 				return
 			}
-			t.Logf("watch: %d", len(res))
-			for _, r := range res {
-				t.Logf("next: %+v", r)
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("GetService() got = %v, want %v", got, tt.want)
 			}
-		}
-	}()
-	time.Sleep(time.Second)
+		})
+	}
+}
 
-	if err = r.Register(ctx, s); err != nil {
+func TestRegistry_Register(t *testing.T) {
+	conn, _, err := zk.Connect([]string{"127.0.0.1:2181"}, time.Second*15)
+	if err != nil {
 		t.Fatal(err)
+		return
+	}
+	r := New(conn)
+
+	svrHello := &registry.ServiceInstance{
+		ID:        "1",
+		Name:      "hello",
+		Version:   "v1.0.0",
+		Endpoints: []string{"127.0.0.1:8080"},
+	}
+
+	type fields struct {
+		registry *Registry
+	}
+	type args struct {
+		ctx     context.Context
+		service *registry.ServiceInstance
 	}
-	time.Sleep(time.Second)
+	tests := []struct {
+		name      string
+		fields    fields
+		args      args
+		wantErr   bool
+		preFunc   func(t *testing.T)
+		deferFunc func(t *testing.T)
+	}{
+		{
+			name: "normal",
+			fields: fields{
+				registry: r,
+			},
+			args: args{
+				ctx:     context.Background(),
+				service: svrHello,
+			},
+			wantErr: false,
+		},
+		{
+			name: "invalid path",
+			fields: fields{
+				registry: New(conn, WithRootPath("invalid")),
+			},
+			args: args{
+				ctx: context.Background(),
+				service: &registry.ServiceInstance{
+					ID:        "1",
+					Name:      "hello1",
+					Version:   "v1.0.0",
+					Endpoints: []string{"127.0.0.1:8080"},
+				},
+			},
+			wantErr: true,
+		},
+		{
+			name: "auth",
+			preFunc: func(t *testing.T) {
+				err = conn.AddAuth("digest", []byte("test:test"))
+				if err != nil {
+					t.Error(err)
+				}
+			},
+			fields: fields{
+				registry: New(conn, WithRootPath("/tt1"), WithDigestACL("test", "test")),
+			},
+			args: args{
+				ctx: context.Background(),
+				service: &registry.ServiceInstance{
+					ID:        "1",
+					Name:      "hello2",
+					Version:   "v1.0.0",
+					Endpoints: []string{"127.0.0.1:8080"},
+				},
+			},
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.preFunc != nil {
+				tt.preFunc(t)
+			}
+			if tt.deferFunc != nil {
+				defer tt.deferFunc(t)
+			}
+			r := tt.fields.registry
+			if err := r.Register(tt.args.ctx, tt.args.service); (err != nil) != tt.wantErr {
+				t.Errorf("Register() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
 
-	res, err := r.GetService(ctx, s.Name)
+func TestRegistry_Deregister(t *testing.T) {
+	conn, _, err := zk.Connect([]string{"127.0.0.1:2181"}, time.Second*15)
 	if err != nil {
 		t.Fatal(err)
+		return
 	}
-	for i, re := range res {
-		t.Logf("first %d re:%v\n", i, re)
+	r := New(conn)
+
+	svrHello := &registry.ServiceInstance{
+		ID:        "1",
+		Name:      "hello",
+		Version:   "v1.0.0",
+		Endpoints: []string{"127.0.0.1:8080"},
+	}
+
+	cancelCtx, cancel := context.WithCancel(context.Background())
+	cancel()
+	type fields struct {
+		registry *Registry
 	}
-	if len(res) != 1 && res[0].Name != s.Name {
-		t.Errorf("not expected: %+v", res)
+	type args struct {
+		ctx     context.Context
+		service *registry.ServiceInstance
 	}
+	tests := []struct {
+		name      string
+		fields    fields
+		args      args
+		wantErr   bool
+		preFunc   func(t *testing.T)
+		deferFunc func(t *testing.T)
+	}{
+		{
+			name: "normal",
+			fields: fields{
+				registry: r,
+			},
+			args: args{
+				ctx:     context.Background(),
+				service: svrHello,
+			},
+			wantErr: false,
+			preFunc: func(t *testing.T) {
+				err = r.Register(context.Background(), svrHello)
+				if err != nil {
+					t.Error(err)
+				}
+			},
+		},
+		{
+			name: "with ctx cancel",
+			fields: fields{
+				registry: r,
+			},
+			args: args{
+				ctx:     cancelCtx,
+				service: svrHello,
+			},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := tt.fields.registry
+			if err := r.Deregister(tt.args.ctx, tt.args.service); (err != nil) != tt.wantErr {
+				t.Errorf("Deregister() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
 
-	if err = r.Deregister(ctx, s); err != nil {
+func TestRegistry_Watch(t *testing.T) {
+	conn, _, err := zk.Connect([]string{"127.0.0.1:2181"}, time.Second*15)
+	if err != nil {
 		t.Fatal(err)
+		return
 	}
-	time.Sleep(time.Second)
-
-	res, err = r.GetService(ctx, s.Name)
+	closeConn, _, err := zk.Connect([]string{"127.0.0.1:2181"}, time.Second*15)
 	if err != nil {
 		t.Fatal(err)
+		return
+	}
+	r := New(conn)
+
+	svrHello := &registry.ServiceInstance{
+		ID:        "1",
+		Name:      "hello",
+		Version:   "v1.0.0",
+		Endpoints: []string{"127.0.0.1:8080"},
 	}
-	for i, re := range res {
-		t.Logf("second %d re:%v\n", i, re)
+
+	cancelCtx, cancel := context.WithCancel(context.Background())
+	type fields struct {
+		registry *Registry
+	}
+	type args struct {
+		ctx         context.Context
+		serviceName string
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		args    args
+		wantErr bool
+		want    []*registry.ServiceInstance
+
+		preFunc     func(t *testing.T)
+		deferFunc   func(t *testing.T)
+		processFunc func(t *testing.T, w registry.Watcher)
+	}{
+		{
+			name: "normal",
+			fields: fields{
+				registry: r,
+			},
+			args: args{
+				ctx:         context.Background(),
+				serviceName: svrHello.Name,
+			},
+			wantErr: false,
+			want:    []*registry.ServiceInstance{svrHello},
+			deferFunc: func(t *testing.T) {
+				err = r.Deregister(context.Background(), svrHello)
+				if err != nil {
+					t.Error(err)
+				}
+			},
+			processFunc: func(t *testing.T, w registry.Watcher) {
+				err = r.Register(context.Background(), svrHello)
+				if err != nil {
+					t.Error(err)
+				}
+			},
+		},
+		{
+			name: "ctx cancel",
+			fields: fields{
+				registry: r,
+			},
+			args: args{
+				ctx:         cancelCtx,
+				serviceName: svrHello.Name,
+			},
+			wantErr: true,
+			want:    nil,
+			processFunc: func(t *testing.T, w registry.Watcher) {
+				cancel()
+			},
+		},
+		{
+			name: "disconnect",
+			fields: fields{
+				registry: New(closeConn),
+			},
+			args: args{
+				ctx:         context.Background(),
+				serviceName: svrHello.Name,
+			},
+			wantErr: true,
+			want:    nil,
+			processFunc: func(t *testing.T, w registry.Watcher) {
+				closeConn.Close()
+			},
+		},
 	}
-	if len(res) != 0 {
-		t.Errorf("not expected empty")
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.preFunc != nil {
+				tt.preFunc(t)
+			}
+			if tt.deferFunc != nil {
+				defer tt.deferFunc(t)
+			}
+			r := tt.fields.registry
+			watcher, err := r.Watch(tt.args.ctx, tt.args.serviceName)
+			if err != nil {
+				t.Error(err)
+				return
+			}
+			defer func() {
+				err = watcher.Stop()
+				if err != nil {
+					t.Error(err)
+				}
+			}()
+			_, err = watcher.Next()
+			if err != nil {
+				t.Error(err)
+				return
+			}
+
+			if tt.processFunc != nil {
+				tt.processFunc(t, watcher)
+			}
+
+			want, err := watcher.Next()
+			if (err != nil) != tt.wantErr {
+				t.Errorf("Watch() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(want, tt.want) {
+				t.Errorf("Watch() watcher = %v, want %v", watcher, tt.want)
+			}
+		})
 	}
 }
diff --git a/encoding/form/form_test.go b/encoding/form/form_test.go
index 384869c5..ddd053cd 100644
--- a/encoding/form/form_test.go
+++ b/encoding/form/form_test.go
@@ -11,6 +11,7 @@ import (
 	"google.golang.org/protobuf/types/known/wrapperspb"
 
 	"github.com/go-kratos/kratos/v2/encoding"
+	bdtest "github.com/go-kratos/kratos/v2/internal/testdata/binding"
 	"github.com/go-kratos/kratos/v2/internal/testdata/complex"
 	ectest "github.com/go-kratos/kratos/v2/internal/testdata/encoding"
 )
@@ -192,3 +193,28 @@ func TestDecodeBytesValuePb(t *testing.T) {
 		t.Errorf("except %v, got %v", val, string(in2.Bytes.Value))
 	}
 }
+
+func TestEncodeFieldMask(t *testing.T) {
+	req := &bdtest.HelloRequest{
+		UpdateMask: &fieldmaskpb.FieldMask{Paths: []string{"foo", "bar"}},
+	}
+	if v := EncodeFieldMask(req.ProtoReflect()); v != "updateMask=foo,bar" {
+		t.Errorf("got %s", v)
+	} else {
+		t.Log(v)
+	}
+}
+
+func TestOptional(t *testing.T) {
+	v := int32(100)
+	req := &bdtest.HelloRequest{
+		Name:     "foo",
+		Sub:      &bdtest.Sub{Name: "bar"},
+		OptInt32: &v,
+	}
+	if v, _ := EncodeValues(req); v.Encode() != "name=foo&optInt32=100&sub.naming=bar" {
+		t.Errorf("got %s", v.Encode())
+	} else {
+		t.Log(v)
+	}
+}
diff --git a/encoding/form/well_known_types_test.go b/encoding/form/well_known_types_test.go
new file mode 100644
index 00000000..5598211b
--- /dev/null
+++ b/encoding/form/well_known_types_test.go
@@ -0,0 +1,95 @@
+package form
+
+import (
+	"encoding/base64"
+	"testing"
+	"time"
+
+	"google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/types/known/durationpb"
+	"google.golang.org/protobuf/types/known/timestamppb"
+	"google.golang.org/protobuf/types/known/wrapperspb"
+)
+
+func TestMarshalTimeStamp(t *testing.T) {
+	tests := []struct {
+		input  *timestamppb.Timestamp
+		expect string
+	}{
+		{
+			input:  timestamppb.New(time.Date(2022, 1, 2, 3, 4, 5, 6, time.UTC)),
+			expect: "2022-01-02T03:04:05.000000006Z",
+		},
+		{
+			input:  timestamppb.New(time.Date(2022, 13, 1, 13, 61, 61, 100, time.UTC)),
+			expect: "2023-01-01T14:02:01.000000100Z",
+		},
+	}
+	for _, v := range tests {
+		content, err := marshalTimestamp(v.input.ProtoReflect())
+		if err != nil {
+			t.Errorf("expect %v,got %v", nil, err)
+		}
+		if got, want := content, v.expect; got != want {
+			t.Errorf("expect %v,got %v", want, got)
+		}
+	}
+}
+
+func TestMarshalDuration(t *testing.T) {
+	tests := []struct {
+		input  *durationpb.Duration
+		expect string
+	}{
+		{
+			input:  durationpb.New(time.Duration(1<<63 - 1)),
+			expect: "2562047h47m16.854775807s",
+		},
+		{
+			input:  durationpb.New(time.Duration(-1 << 63)),
+			expect: "-2562047h47m16.854775808s",
+		},
+		{
+			input:  durationpb.New(100 * time.Second),
+			expect: "1m40s",
+		},
+		{
+			input:  durationpb.New(-100 * time.Second),
+			expect: "-1m40s",
+		},
+	}
+	for _, v := range tests {
+		content, err := marshalDuration(v.input.ProtoReflect())
+		if err != nil {
+			t.Errorf("expect %v,got %v", nil, err)
+		}
+		if got, want := content, v.expect; got != want {
+			t.Errorf("expect %v,got %v", want, got)
+		}
+	}
+}
+
+func TestMarshalBytes(t *testing.T) {
+	tests := []struct {
+		input  protoreflect.Message
+		expect string
+	}{
+		{
+			input:  wrapperspb.Bytes([]byte("abc123!?$*&()'-=@~")).ProtoReflect(),
+			expect: base64.StdEncoding.EncodeToString([]byte("abc123!?$*&()'-=@~")),
+		},
+		{
+			input:  wrapperspb.Bytes([]byte("kratos")).ProtoReflect(),
+			expect: base64.StdEncoding.EncodeToString([]byte("kratos")),
+		},
+	}
+	for _, v := range tests {
+		content, err := marshalBytes(v.input)
+		if err != nil {
+			t.Errorf("expect %v,got %v", nil, err)
+		}
+		if got, want := content, v.expect; got != want {
+			t.Errorf("expect %v,got %v", want, got)
+		}
+	}
+}
diff --git a/internal/testdata/binding/test.pb.go b/internal/testdata/binding/test.pb.go
index 5f2318c7..3a99e6d9 100644
--- a/internal/testdata/binding/test.pb.go
+++ b/internal/testdata/binding/test.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.17.3
+// 	protoc-gen-go v1.28.0
+// 	protoc        v3.20.0
 // source: test.proto
 
 package binding
@@ -9,6 +9,7 @@ package binding
 import (
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	fieldmaskpb "google.golang.org/protobuf/types/known/fieldmaskpb"
 	reflect "reflect"
 	sync "sync"
 )
@@ -26,8 +27,13 @@ type HelloRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-	Sub  *Sub   `protobuf:"bytes,2,opt,name=sub,proto3" json:"sub,omitempty"`
+	Name       string                 `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Sub        *Sub                   `protobuf:"bytes,2,opt,name=sub,proto3" json:"sub,omitempty"`
+	UpdateMask *fieldmaskpb.FieldMask `protobuf:"bytes,3,opt,name=update_mask,json=updateMask,proto3" json:"update_mask,omitempty"`
+	OptInt32   *int32                 `protobuf:"varint,4,opt,name=opt_int32,json=optInt32,proto3,oneof" json:"opt_int32,omitempty"`
+	OptInt64   *int64                 `protobuf:"varint,5,opt,name=opt_int64,json=optInt64,proto3,oneof" json:"opt_int64,omitempty"`
+	OptString  *string                `protobuf:"bytes,6,opt,name=opt_string,json=optString,proto3,oneof" json:"opt_string,omitempty"`
+	SubField   *Sub                   `protobuf:"bytes,7,opt,name=subField,proto3" json:"subField,omitempty"`
 }
 
 func (x *HelloRequest) Reset() {
@@ -76,6 +82,41 @@ func (x *HelloRequest) GetSub() *Sub {
 	return nil
 }
 
+func (x *HelloRequest) GetUpdateMask() *fieldmaskpb.FieldMask {
+	if x != nil {
+		return x.UpdateMask
+	}
+	return nil
+}
+
+func (x *HelloRequest) GetOptInt32() int32 {
+	if x != nil && x.OptInt32 != nil {
+		return *x.OptInt32
+	}
+	return 0
+}
+
+func (x *HelloRequest) GetOptInt64() int64 {
+	if x != nil && x.OptInt64 != nil {
+		return *x.OptInt64
+	}
+	return 0
+}
+
+func (x *HelloRequest) GetOptString() string {
+	if x != nil && x.OptString != nil {
+		return *x.OptString
+	}
+	return ""
+}
+
+func (x *HelloRequest) GetSubField() *Sub {
+	if x != nil {
+		return x.SubField
+	}
+	return nil
+}
+
 type Sub struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -127,16 +168,34 @@ var File_test_proto protoreflect.FileDescriptor
 
 var file_test_proto_rawDesc = []byte{
 	0x0a, 0x0a, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x07, 0x62, 0x69,
-	0x6e, 0x64, 0x69, 0x6e, 0x67, 0x22, 0x42, 0x0a, 0x0c, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x52, 0x65,
-	0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20,
-	0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x1e, 0x0a, 0x03, 0x73, 0x75, 0x62,
-	0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0c, 0x2e, 0x62, 0x69, 0x6e, 0x64, 0x69, 0x6e, 0x67,
-	0x2e, 0x53, 0x75, 0x62, 0x52, 0x03, 0x73, 0x75, 0x62, 0x22, 0x1b, 0x0a, 0x03, 0x53, 0x75, 0x62,
-	0x12, 0x14, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06,
-	0x6e, 0x61, 0x6d, 0x69, 0x6e, 0x67, 0x42, 0x2f, 0x5a, 0x2d, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62,
-	0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x2d, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x6b,
-	0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f,
-	0x62, 0x69, 0x6e, 0x64, 0x69, 0x6e, 0x67, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x6e, 0x64, 0x69, 0x6e, 0x67, 0x1a, 0x20, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x66, 0x69, 0x65, 0x6c, 0x64, 0x5f, 0x6d, 0x61, 0x73,
+	0x6b, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xbc, 0x02, 0x0a, 0x0c, 0x48, 0x65, 0x6c, 0x6c,
+	0x6f, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x1e, 0x0a, 0x03,
+	0x73, 0x75, 0x62, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0c, 0x2e, 0x62, 0x69, 0x6e, 0x64,
+	0x69, 0x6e, 0x67, 0x2e, 0x53, 0x75, 0x62, 0x52, 0x03, 0x73, 0x75, 0x62, 0x12, 0x3b, 0x0a, 0x0b,
+	0x75, 0x70, 0x64, 0x61, 0x74, 0x65, 0x5f, 0x6d, 0x61, 0x73, 0x6b, 0x18, 0x03, 0x20, 0x01, 0x28,
+	0x0b, 0x32, 0x1a, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x62, 0x75, 0x66, 0x2e, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x4d, 0x61, 0x73, 0x6b, 0x52, 0x0a, 0x75,
+	0x70, 0x64, 0x61, 0x74, 0x65, 0x4d, 0x61, 0x73, 0x6b, 0x12, 0x20, 0x0a, 0x09, 0x6f, 0x70, 0x74,
+	0x5f, 0x69, 0x6e, 0x74, 0x33, 0x32, 0x18, 0x04, 0x20, 0x01, 0x28, 0x05, 0x48, 0x00, 0x52, 0x08,
+	0x6f, 0x70, 0x74, 0x49, 0x6e, 0x74, 0x33, 0x32, 0x88, 0x01, 0x01, 0x12, 0x20, 0x0a, 0x09, 0x6f,
+	0x70, 0x74, 0x5f, 0x69, 0x6e, 0x74, 0x36, 0x34, 0x18, 0x05, 0x20, 0x01, 0x28, 0x03, 0x48, 0x01,
+	0x52, 0x08, 0x6f, 0x70, 0x74, 0x49, 0x6e, 0x74, 0x36, 0x34, 0x88, 0x01, 0x01, 0x12, 0x22, 0x0a,
+	0x0a, 0x6f, 0x70, 0x74, 0x5f, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x18, 0x06, 0x20, 0x01, 0x28,
+	0x09, 0x48, 0x02, 0x52, 0x09, 0x6f, 0x70, 0x74, 0x53, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x88, 0x01,
+	0x01, 0x12, 0x28, 0x0a, 0x08, 0x73, 0x75, 0x62, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x18, 0x07, 0x20,
+	0x01, 0x28, 0x0b, 0x32, 0x0c, 0x2e, 0x62, 0x69, 0x6e, 0x64, 0x69, 0x6e, 0x67, 0x2e, 0x53, 0x75,
+	0x62, 0x52, 0x08, 0x73, 0x75, 0x62, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x42, 0x0c, 0x0a, 0x0a, 0x5f,
+	0x6f, 0x70, 0x74, 0x5f, 0x69, 0x6e, 0x74, 0x33, 0x32, 0x42, 0x0c, 0x0a, 0x0a, 0x5f, 0x6f, 0x70,
+	0x74, 0x5f, 0x69, 0x6e, 0x74, 0x36, 0x34, 0x42, 0x0d, 0x0a, 0x0b, 0x5f, 0x6f, 0x70, 0x74, 0x5f,
+	0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x22, 0x1b, 0x0a, 0x03, 0x53, 0x75, 0x62, 0x12, 0x14, 0x0a,
+	0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x6e, 0x61, 0x6d,
+	0x69, 0x6e, 0x67, 0x42, 0x2f, 0x5a, 0x2d, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f,
+	0x6d, 0x2f, 0x67, 0x6f, 0x2d, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x6b, 0x72, 0x61, 0x74,
+	0x6f, 0x73, 0x2f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x62, 0x69, 0x6e,
+	0x64, 0x69, 0x6e, 0x67, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -153,16 +212,19 @@ func file_test_proto_rawDescGZIP() []byte {
 
 var file_test_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
 var file_test_proto_goTypes = []interface{}{
-	(*HelloRequest)(nil), // 0: binding.HelloRequest
-	(*Sub)(nil),          // 1: binding.Sub
+	(*HelloRequest)(nil),          // 0: binding.HelloRequest
+	(*Sub)(nil),                   // 1: binding.Sub
+	(*fieldmaskpb.FieldMask)(nil), // 2: google.protobuf.FieldMask
 }
 var file_test_proto_depIdxs = []int32{
 	1, // 0: binding.HelloRequest.sub:type_name -> binding.Sub
-	1, // [1:1] is the sub-list for method output_type
-	1, // [1:1] is the sub-list for method input_type
-	1, // [1:1] is the sub-list for extension type_name
-	1, // [1:1] is the sub-list for extension extendee
-	0, // [0:1] is the sub-list for field type_name
+	2, // 1: binding.HelloRequest.update_mask:type_name -> google.protobuf.FieldMask
+	1, // 2: binding.HelloRequest.subField:type_name -> binding.Sub
+	3, // [3:3] is the sub-list for method output_type
+	3, // [3:3] is the sub-list for method input_type
+	3, // [3:3] is the sub-list for extension type_name
+	3, // [3:3] is the sub-list for extension extendee
+	0, // [0:3] is the sub-list for field type_name
 }
 
 func init() { file_test_proto_init() }
@@ -196,6 +258,7 @@ func file_test_proto_init() {
 			}
 		}
 	}
+	file_test_proto_msgTypes[0].OneofWrappers = []interface{}{}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
diff --git a/internal/testdata/binding/test.proto b/internal/testdata/binding/test.proto
index a2d8b0d3..613bd19d 100644
--- a/internal/testdata/binding/test.proto
+++ b/internal/testdata/binding/test.proto
@@ -2,12 +2,19 @@ syntax = "proto3";
 
 package binding;
 
+import "google/protobuf/field_mask.proto";
+
 option go_package = "github.com/go-kratos/kratos/transport/binding";
 
 // The request message containing the user's name.
 message HelloRequest {
   string name = 1;
-  Sub  sub = 2;
+  Sub sub = 2;
+  google.protobuf.FieldMask update_mask = 3;
+  optional int32 opt_int32 = 4;
+  optional int64 opt_int64 = 5;
+  optional string opt_string = 6;
+  Sub subField = 7;
 }
 
 message Sub{
diff --git a/metadata/metadata_test.go b/metadata/metadata_test.go
index b7f7173b..8653bbe5 100644
--- a/metadata/metadata_test.go
+++ b/metadata/metadata_test.go
@@ -90,6 +90,12 @@ func TestMetadata_Set(t *testing.T) {
 			args: args{key: "env", value: "pro"},
 			want: Metadata{"hello": "kratos", "env": "pro"},
 		},
+		{
+			name: "empty",
+			m:    Metadata{},
+			args: args{key: "", value: ""},
+			want: Metadata{},
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -203,6 +209,25 @@ func TestAppendToClientContext(t *testing.T) {
 	}
 }
 
+// nolint directives: sa5012
+func TestAppendToClientContextThatPanics(t *testing.T) {
+	kvs := []string{"hello", "kratos", "env"}
+	defer func() {
+		if r := recover(); r == nil {
+			t.Errorf("append to client context singular kvs did not panic")
+		}
+	}()
+	ctx := NewClientContext(context.Background(), Metadata{})
+	ctx = AppendToClientContext(ctx, kvs...)
+	md, ok := FromClientContext(ctx)
+	if !ok {
+		t.Errorf("FromServerContext() = %v, want %v", ok, true)
+	}
+	if !reflect.DeepEqual(md, Metadata{}) {
+		t.Errorf("metadata = %v, want %v", md, Metadata{})
+	}
+}
+
 func TestMergeToClientContext(t *testing.T) {
 	type args struct {
 		md       Metadata
@@ -249,7 +274,14 @@ func TestMetadata_Range(t *testing.T) {
 		return true
 	})
 	if !reflect.DeepEqual(tmp, Metadata{"https://go-kratos.dev/": "https://go-kratos.dev/", "kratos": "kratos"}) {
-		t.Errorf("metadata = %v, want %v", tmp, Metadata{"kratos": "kratos"})
+		t.Errorf("metadata = %v, want %v", tmp, Metadata{"https://go-kratos.dev/": "https://go-kratos.dev/", "kratos": "kratos"})
+	}
+	tmp = Metadata{}
+	md.Range(func(k, v string) bool {
+		return false
+	})
+	if !reflect.DeepEqual(tmp, Metadata{}) {
+		t.Errorf("metadata = %v, want %v", tmp, Metadata{})
 	}
 }
 
diff --git a/selector/peer_test.go b/selector/peer_test.go
new file mode 100644
index 00000000..d0eeeb81
--- /dev/null
+++ b/selector/peer_test.go
@@ -0,0 +1,24 @@
+package selector
+
+import (
+	"context"
+	"testing"
+)
+
+func TestPeer(t *testing.T) {
+	p := Peer{
+		Node: mockWeightedNode{},
+	}
+	ctx := NewPeerContext(context.Background(), &p)
+	p2, ok := FromPeerContext(ctx)
+	if !ok || p2.Node == nil {
+		t.Fatalf(" no peer found!")
+	}
+}
+
+func TestNotPeer(t *testing.T) {
+	_, ok := FromPeerContext(context.Background())
+	if ok {
+		t.Fatalf("test no peer found peer!")
+	}
+}
diff --git a/transport/http/binding/encode_test.go b/transport/http/binding/encode_test.go
index 5cf57436..9898aba1 100644
--- a/transport/http/binding/encode_test.go
+++ b/transport/http/binding/encode_test.go
@@ -5,6 +5,7 @@ import (
 	"testing"
 
 	"github.com/go-kratos/kratos/v2/internal/testdata/binding"
+	"google.golang.org/protobuf/types/known/fieldmaskpb"
 )
 
 func TestProtoPath(t *testing.T) {
@@ -46,4 +47,13 @@ func TestProtoPath(t *testing.T) {
 	if url != `http://helloworld.Greeter/helloworld/go/sub?sub.naming=kratos` {
 		t.Fatalf("proto path not expected!actual: %s ", url)
 	}
+
+	url = EncodeURL("http://helloworld.Greeter/helloworld/sub/{sub.name}", &binding.HelloRequest{
+		Sub:        &binding.Sub{Name: "kratos"},
+		UpdateMask: &fieldmaskpb.FieldMask{Paths: []string{"name", "sub.name"}},
+	}, false)
+	fmt.Println(url)
+	if url != `http://helloworld.Greeter/helloworld/sub/kratos?updateMask=name,sub.name` {
+		t.Fatalf("proto path not expected!actual: %s ", url)
+	}
 }