Repository: go-kratos/kratos
Pull request #2124 (2022-06-20 18:38:25)

build(deps): bump k8s.io/api from 0.24.1 to 0.24.2 in /contrib/registry/kubernetes
Bumps [k8s.io/api](https://github.com/kubernetes/api) from 0.24.1 to 0.24.2.
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/kubernetes/api/commit/7e99a1ef2ccdd2589e9a41f5083a95c375ada0a2"><code>7e99a1e</code></a> Update dependencies to v0.24.2 tag</li>
<li>See full diff in <a href="https://github.com/kubernetes/api/compare/v0.24.1...v0.24.2">compare view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=k8s.io/api&package-manager=go_modules&previous-version=0.24.1&new-version=0.24.2)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
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</details>


Patch:
diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index a2161bf7..4d65cdad 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -40,6 +40,7 @@ jobs:
         ports:
           - 8090:8090
           - 8091:8091
+          - 8093:8093
     steps:
       - uses: actions/checkout@v3
       - name: Set up Go
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/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/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/contrib/config/nacos/config.go b/contrib/config/nacos/config.go
index 54d4c92d..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
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/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 @@
+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=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
+cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
+cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
+cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
+cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
+cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
+cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
+cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
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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=
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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/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/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..199d8157 100644
--- a/contrib/registry/kubernetes/go.sum
+++ b/contrib/registry/kubernetes/go.sum
@@ -652,10 +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/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 797d7982..449fca0d 100644
--- a/encoding/form/proto_encode.go
+++ b/encoding/form/proto_encode.go
@@ -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
 	}
 }
 
@@ -159,7 +160,7 @@ 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
+		return fmt.Sprint(v.Interface()), nil
 	case fieldMaskFullName:
 		m, ok := value.Message().Interface().(*fieldmaskpb.FieldMask)
 		if !ok || m == nil {


Test patch:
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/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/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 11b45fe1..ddd053cd 100644
--- a/encoding/form/form_test.go
+++ b/encoding/form/form_test.go
@@ -204,3 +204,17 @@ func TestEncodeFieldMask(t *testing.T) {
 		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 52d15784..3a99e6d9 100644
--- a/internal/testdata/binding/test.pb.go
+++ b/internal/testdata/binding/test.pb.go
@@ -30,6 +30,10 @@ type HelloRequest struct {
 	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() {
@@ -85,6 +89,34 @@ func (x *HelloRequest) GetUpdateMask() *fieldmaskpb.FieldMask {
 	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
@@ -138,20 +170,32 @@ 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, 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, 0x7f, 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, 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,
+	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 (
@@ -175,11 +219,12 @@ var file_test_proto_goTypes = []interface{}{
 var file_test_proto_depIdxs = []int32{
 	1, // 0: binding.HelloRequest.sub:type_name -> binding.Sub
 	2, // 1: binding.HelloRequest.update_mask:type_name -> google.protobuf.FieldMask
-	2, // [2:2] is the sub-list for method output_type
-	2, // [2:2] is the sub-list for method input_type
-	2, // [2:2] is the sub-list for extension type_name
-	2, // [2:2] is the sub-list for extension extendee
-	0, // [0:2] is the sub-list for field type_name
+	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() }
@@ -213,6 +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 06bd2f99..613bd19d 100644
--- a/internal/testdata/binding/test.proto
+++ b/internal/testdata/binding/test.proto
@@ -9,8 +9,12 @@ 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/transport/http/binding/encode_test.go b/transport/http/binding/encode_test.go
index 5e0618f0..9898aba1 100644
--- a/transport/http/binding/encode_test.go
+++ b/transport/http/binding/encode_test.go
@@ -44,7 +44,7 @@ func TestProtoPath(t *testing.T) {
 		Sub:  &binding.Sub{Name: "kratos"},
 	}, true)
 	fmt.Println(url)
-	if url != `http://helloworld.Greeter/helloworld/go/sub?sub.naming=kratos&updateMask=` {
+	if url != `http://helloworld.Greeter/helloworld/go/sub?sub.naming=kratos` {
 		t.Fatalf("proto path not expected!actual: %s ", url)
 	}