Repository: tableauio/tableau
Pull request #133 (2024-08-23 09:43:13)

fix: patch wellknown types
Generated descriptor from [timestamp.pb.go](https://github.com/protocolbuffers/protobuf-go/blob/master/types/known/timestamppb/timestamp.pb.go) is different with the descriptor dynamically generated by [protoreflect](https://github.com/jhump/protoreflect) based on source proto files.

Mixed-use of the two kinds of descriptors cause [proto.Clone](https://pkg.go.dev/google.golang.org/protobuf@v1.34.2/proto#Clone) to panic:
```
panic: proto: google.protobuf.Timestamp.seconds: field descriptor does not belong to this message
```

codecov[bot]: ## [Codecov](https://app.codecov.io/gh/tableauio/tableau/pull/133?dropdown=coverage&src=pr&el=h1&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio) Report
Attention: Patch coverage is `53.06122%` with `46 lines` in your changes missing coverage. Please review.
> Project coverage is 55.09%. Comparing base [(`4aca14f`)](https://app.codecov.io/gh/tableauio/tableau/commit/4aca14f13c41ee9307ba847fadd6f39e324dc097?dropdown=coverage&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio) to head [(`d1fdd23`)](https://app.codecov.io/gh/tableauio/tableau/commit/d1fdd23f5e2e17bc7b0a2ba03ad232475452a2c2?dropdown=coverage&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio).

| [Files](https://app.codecov.io/gh/tableauio/tableau/pull/133?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio) | Patch % | Lines |
|---|---|---|
| [proto/tableaupb/unittestpb/unittest.pb.go](https://app.codecov.io/gh/tableauio/tableau/pull/133?src=pr&el=tree&filepath=proto%2Ftableaupb%2Funittestpb%2Funittest.pb.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio#diff-cHJvdG8vdGFibGVhdXBiL3VuaXR0ZXN0cGIvdW5pdHRlc3QucGIuZ28=) | 21.42% | [33 Missing :warning: ](https://app.codecov.io/gh/tableauio/tableau/pull/133?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio) |
| [internal/confgen/parser.go](https://app.codecov.io/gh/tableauio/tableau/pull/133?src=pr&el=tree&filepath=internal%2Fconfgen%2Fparser.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio#diff-aW50ZXJuYWwvY29uZmdlbi9wYXJzZXIuZ28=) | 37.50% | [3 Missing and 2 partials :warning: ](https://app.codecov.io/gh/tableauio/tableau/pull/133?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio) |
| [proto/tableaupb/tableau.pb.go](https://app.codecov.io/gh/tableauio/tableau/pull/133?src=pr&el=tree&filepath=proto%2Ftableaupb%2Ftableau.pb.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio#diff-cHJvdG8vdGFibGVhdXBiL3RhYmxlYXUucGIuZ28=) | 0.00% | [4 Missing :warning: ](https://app.codecov.io/gh/tableauio/tableau/pull/133?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio) |
| [internal/confgen/util.go](https://app.codecov.io/gh/tableauio/tableau/pull/133?src=pr&el=tree&filepath=internal%2Fconfgen%2Futil.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio#diff-aW50ZXJuYWwvY29uZmdlbi91dGlsLmdv) | 86.66% | [1 Missing and 1 partial :warning: ](https://app.codecov.io/gh/tableauio/tableau/pull/133?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio) |
| [xerrors/desc.go](https://app.codecov.io/gh/tableauio/tableau/pull/133?src=pr&el=tree&filepath=xerrors%2Fdesc.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio#diff-eGVycm9ycy9kZXNjLmdv) | 50.00% | [1 Missing and 1 partial :warning: ](https://app.codecov.io/gh/tableauio/tableau/pull/133?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio) |

<details><summary>Additional details and impacted files</summary>


```diff
@@            Coverage Diff             @@
##           master     #133      +/-   ##
==========================================
- Coverage   55.13%   55.09%   -0.04%     
==========================================
  Files          74       74              
  Lines        9185     9260      +75     
==========================================
+ Hits         5064     5102      +38     
- Misses       3566     3601      +35     
- Partials      555      557       +2     
```

</details>

[:umbrella: View full report in Codecov by Sentry](https://app.codecov.io/gh/tableauio/tableau/pull/133?dropdown=coverage&src=pr&el=continue&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio).   
:loudspeaker: Have feedback on the report? [Share it here](https://about.codecov.io/codecov-pr-comment-feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tableauio).


Patch:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a86455a..49d0245 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -46,7 +46,7 @@ jobs:
           GOARCH: ${{ matrix.goarch }}
         run: |
           cd cmd/tableauc
-          go build -trimpath -o $GITHUB_WORKSPACE/build
+          CGO_ENABLED=0 go build -installsuffix cgo -trimpath -ldflags="-s -w" -o $GITHUB_WORKSPACE/build
 
       - name: Create package
         id: package
diff --git a/README.md b/README.md
index 7c70de1..e45d0b7 100644
--- a/README.md
+++ b/README.md
@@ -55,4 +55,4 @@ Goto [Protocol Buffers v21.12](https://github.com/protocolbuffers/protobuf/relea
 
 #### protoc-gen-go
 
-Install: `go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.27.1`
+Install: `go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.33.0`
diff --git a/cmd/tableauc/main.go b/cmd/tableauc/main.go
index 2589ca6..7929c66 100644
--- a/cmd/tableauc/main.go
+++ b/cmd/tableauc/main.go
@@ -16,7 +16,7 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
-const version = "0.6.0"
+const version = "0.6.1"
 const (
 	ModeDefault = "default" // generate both proto and conf files
 	ModeProto   = "proto"   // generate proto files only
@@ -101,9 +101,13 @@ func runE(cmd *cobra.Command, args []string) error {
 		config.Conf.Output.Formats = formats
 	}
 	if confInputIgnoreUnknownWorkbook {
+		// use command argument if provided
 		config.Conf.Input.IgnoreUnknownWorkbook = true
 	}
-	config.Conf.Output.DryRun = dryRun
+	if dryRun != "" {
+		// use command argument if provided
+		config.Conf.Output.DryRun = dryRun
+	}
 
 	log.Debugf("load config success: %+v", spew.Sdump(config))
 
diff --git a/codecov.yml b/codecov.yml
index 28b47a1..a7a6e9c 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -2,8 +2,8 @@ coverage:
   status:
     project:
       default:
-        target: 55%
+        target: 63%
         threshold: 1%
 ignore:
-    - "*.pb.go" # ignore all *.pb.go files
+    - "**/*.pb.go" # ignore all *.pb.go files
     - "test" # ignore folders and all its contents
diff --git a/go.mod b/go.mod
index 74991d5..2c397f7 100644
--- a/go.mod
+++ b/go.mod
@@ -5,28 +5,28 @@ go 1.20
 require (
 	github.com/davecgh/go-spew v1.1.1
 	github.com/emirpasic/gods v1.18.1
-	github.com/iancoleman/strcase v0.2.0
-	github.com/jhump/protoreflect v1.14.1
+	github.com/iancoleman/strcase v0.3.0
+	github.com/jhump/protoreflect v1.16.0
 	github.com/pkg/errors v0.9.1
-	github.com/protocolbuffers/txtpbfmt v0.0.0-20230412060525-fa9f017c0ded
+	github.com/protocolbuffers/txtpbfmt v0.0.0-20240820135758-21b1d9897dc7
 	github.com/rogpeppe/go-internal v1.10.0
 	github.com/spf13/cobra v1.7.0
-	github.com/stretchr/testify v1.8.2
+	github.com/stretchr/testify v1.9.0
 	github.com/subchen/go-xmldom v1.1.2
 	github.com/xuri/excelize/v2 v2.6.1
 	go.uber.org/multierr v1.8.0
 	go.uber.org/zap v1.24.0
-	golang.org/x/sync v0.1.0
-	golang.org/x/text v0.9.0
-	google.golang.org/protobuf v1.30.0
+	golang.org/x/sync v0.6.0
+	golang.org/x/text v0.14.0
+	google.golang.org/protobuf v1.34.2
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
 	github.com/antchfx/xpath v1.2.3 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/bufbuild/protocompile v0.10.0 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
 	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
@@ -37,7 +37,7 @@ require (
 	github.com/xuri/efp v0.0.0-20220603152613-6918739fd470 // indirect
 	github.com/xuri/nfp v0.0.0-20220409054826-5e722a1d9e22 // indirect
 	go.uber.org/atomic v1.7.0 // indirect
-	golang.org/x/crypto v0.0.0-20220817201139-bc19a97f63c8 // indirect
-	golang.org/x/net v0.7.0 // indirect
+	golang.org/x/crypto v0.21.0 // indirect
+	golang.org/x/net v0.22.0 // indirect
 	google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 // indirect
 )
diff --git a/go.sum b/go.sum
index 836da29..34b3f93 100644
--- a/go.sum
+++ b/go.sum
@@ -4,18 +4,17 @@ github.com/antchfx/xpath v0.0.0-20170515025933-1f3266e77307/go.mod h1:Yee4kTMuNi
 github.com/antchfx/xpath v1.2.3 h1:CCZWOzv5bAqjVv0offZ2LVgVYFbeldKQVuLNbViZdes=
 github.com/antchfx/xpath v1.2.3/go.mod h1:i54GszH55fYfBmoZXapTHN8T8tkcHfRgLyVwwqzXNcs=
 github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
+github.com/bufbuild/protocompile v0.10.0 h1:+jW/wnLMLxaCEG8AX9lD0bQ5v9h1RUiMKOBOT5ll9dM=
+github.com/bufbuild/protocompile v0.10.0/go.mod h1:G9qQIQo0xZ6Uyj6CMNz0saGmx2so+KONo8/KrELABiY=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/emirpasic/gods v1.18.1 h1:FXtiHYKDGKCW2KzwZKx0iC0PQmdlorYgdFG9jPXJ1Bc=
 github.com/emirpasic/gods v1.18.1/go.mod h1:8tpGGwCnJ5H4r6BWwaV6OrWmMoPhUl5jm/FMNAnJvWQ=
-github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
@@ -27,34 +26,19 @@ github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrU
 github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
-github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
-github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
-github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/iancoleman/strcase v0.2.0 h1:05I4QRnGpI0m37iZQRuskXh+w77mr6Z41lwQzuHLwW0=
-github.com/iancoleman/strcase v0.2.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/iancoleman/strcase v0.3.0 h1:nTXanmYxhfFAMjZL34Ov6gkzEsSJZ5DbhxWjvSASxEI=
+github.com/iancoleman/strcase v0.3.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
-github.com/jhump/gopoet v0.0.0-20190322174617-17282ff210b3/go.mod h1:me9yfT6IJSlOL3FCfrg+L6yzUEZ+5jW6WHt4Sk+UPUI=
-github.com/jhump/gopoet v0.1.0/go.mod h1:me9yfT6IJSlOL3FCfrg+L6yzUEZ+5jW6WHt4Sk+UPUI=
-github.com/jhump/goprotoc v0.5.0/go.mod h1:VrbvcYrQOrTi3i0Vf+m+oqQWk9l72mjkJCYo7UvLHRQ=
-github.com/jhump/protoreflect v1.11.0/go.mod h1:U7aMIjN0NWq9swDP7xDdoMfRHb35uiuTd3Z9nFXJf5E=
-github.com/jhump/protoreflect v1.14.1 h1:N88q7JkxTHWFEqReuTsYH1dPIwXxA0ITNQp7avLY10s=
-github.com/jhump/protoreflect v1.14.1/go.mod h1:JytZfP5d0r8pVNLZvai7U/MCuTWITgrI4tTg7puQFKI=
-github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
-github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
-github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
-github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/jhump/protoreflect v1.16.0 h1:54fZg+49widqXYQ0b+usAFHbMkBGR4PpXrsHc8+TBDg=
+github.com/jhump/protoreflect v1.16.0/go.mod h1:oYPd7nPvcBw/5wlDfm/AVmU9zH9BgqGCI469pGxfj/8=
 github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
 github.com/mitchellh/go-wordwrap v1.0.1 h1:TLuKupo69TCn6TQSyGxwI1EblZZEsQ0vMlAFQflz0v0=
 github.com/mitchellh/go-wordwrap v1.0.1/go.mod h1:R62XHJLzvMFRBbcrT7m7WgmE1eOyTSsCt+hzestvNj0=
@@ -65,8 +49,8 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
-github.com/protocolbuffers/txtpbfmt v0.0.0-20230412060525-fa9f017c0ded h1:XHLAvwaTYM0PxS/HO7E0PfBaY/y0jGM5NM7g05lCb0k=
-github.com/protocolbuffers/txtpbfmt v0.0.0-20230412060525-fa9f017c0ded/go.mod h1:jgxiZysxFPM+iWKwQwPR+y+Jvo54ARd4EisXxKYpB5c=
+github.com/protocolbuffers/txtpbfmt v0.0.0-20240820135758-21b1d9897dc7 h1:GkKZUEPNgwIk3LK4Er5vxnaNKk1pdjI3Oc6oTBwBsxQ=
+github.com/protocolbuffers/txtpbfmt v0.0.0-20240820135758-21b1d9897dc7/go.mod h1:jgxiZysxFPM+iWKwQwPR+y+Jvo54ARd4EisXxKYpB5c=
 github.com/richardlehane/mscfb v1.0.4 h1:WULscsljNPConisD5hR0+OyZjwK46Pfyr6mPu5ZawpM=
 github.com/richardlehane/mscfb v1.0.4/go.mod h1:YzVpcZg9czvAuhk9T+a3avCpcFPMUWm7gK3DypaEsUk=
 github.com/richardlehane/msoleps v1.0.1/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
@@ -80,15 +64,11 @@ github.com/spf13/cobra v1.7.0/go.mod h1:uLxZILRyS/50WlhOIKD7W6V5bgeIt+4sICxh6uRM
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
-github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
-github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8=
-github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/subchen/go-xmldom v1.1.2 h1:7evI2YqfYYOnuj+PBwyaOZZYjl3iWq35P6KfBUw9jeU=
 github.com/subchen/go-xmldom v1.1.2/go.mod h1:6Pg/HuX5/T4Jlj0IPJF1sRxKVoI/rrKP6LIMge9d5/8=
 github.com/xuri/efp v0.0.0-20220603152613-6918739fd470 h1:6932x8ltq1w4utjmfMPVj09jdMlkY0aiA6+Skbtl3/c=
@@ -105,9 +85,9 @@ go.uber.org/multierr v1.8.0/go.mod h1:7EAYxJLBy9rStEaz58O2t4Uvip6FSURkq8/ppBp95a
 go.uber.org/zap v1.24.0 h1:FiJd5l1UOLj0wCgbSE0rwwXHzEdAZS6hiiSnxJN/D60=
 go.uber.org/zap v1.24.0/go.mod h1:2kMP+WWQ8aoFoedH3T2sq6iJ2yDWpHbP0f6MQbS9Gkg=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20220817201139-bc19a97f63c8 h1:GIAS/yBem/gq2MUqgNIzUHW7cJMmx3TGZOrnyYaNQ6c=
 golang.org/x/crypto v0.0.0-20220817201139-bc19a97f63c8/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
+golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/image v0.0.0-20220413100746-70e8d0d3baa9 h1:LRtI4W37N+KFebI/qV0OFiLUv4GLOWeEW5hn/KEJvxE=
 golang.org/x/image v0.0.0-20220413100746-70e8d0d3baa9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
@@ -118,36 +98,30 @@ golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220812174116-3211cb980234/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
-golang.org/x/net v0.7.0 h1:rJrUqqhjsgNp7KqAIc25s9pZnjU7TUcSY7HcVZjdn1g=
-golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
+golang.org/x/net v0.22.0 h1:9sGLhx7iRIHEiX0oAJ3MRZMUCElJgy7Br1nO+AMN3Tc=
+golang.org/x/net v0.22.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
-golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
+golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
+golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
-golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
@@ -162,30 +136,21 @@ google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaR
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.38.0 h1:/9BgsAsa5nWe26HqOlvlgJnqBuktYOLCgjCPqsa56W0=
-google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.61.0 h1:TOvOcuXn30kRao+gfcvsebNEa5iZIiLkisYEkf7R7o0=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
 google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
-google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
+google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
 gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/internal/confgen/confgen.go b/internal/confgen/confgen.go
index fa823bd..0ba194d 100644
--- a/internal/confgen/confgen.go
+++ b/internal/confgen/confgen.go
@@ -224,7 +224,6 @@ func (gen *Generator) processScatter(self importer.Importer, sheetInfo *SheetInf
 	if err != nil {
 		return err
 	}
-	// append self
 	mainImporter := importer.ImporterInfo{Importer: self}
 	exporter := NewSheetExporter(gen.OutputDir, gen.OutputOpt)
 	if err := exporter.ScatterAndExport(sheetInfo, mainImporter, importers...); err != nil {
@@ -238,10 +237,9 @@ func (gen *Generator) processMerger(self importer.Importer, sheetInfo *SheetInfo
 	if err != nil {
 		return err
 	}
-	// append self
-	importers = append(importers, importer.ImporterInfo{Importer: self})
+	mainImporter := importer.ImporterInfo{Importer: self}
 	exporter := NewSheetExporter(gen.OutputDir, gen.OutputOpt)
-	if err := exporter.MergeAndExport(sheetInfo, importers...); err != nil {
+	if err := exporter.MergeAndExport(sheetInfo, mainImporter, importers...); err != nil {
 		return err
 	}
 	return nil
diff --git a/internal/confgen/document_parser.go b/internal/confgen/document_parser.go
index 4c3dae9..e5824f4 100644
--- a/internal/confgen/document_parser.go
+++ b/internal/confgen/document_parser.go
@@ -1,6 +1,7 @@
 package confgen
 
 import (
+	"strconv"
 	"strings"
 
 	"github.com/tableauio/tableau/internal/confgen/prop"
@@ -41,8 +42,8 @@ func (sp *documentParser) parseMessage(msg protoreflect.Message, node *book.Node
 			field := parseFieldDescriptor(fd, sp.parser.opts.Sep, sp.parser.opts.Subsep)
 			defer field.release()
 			var fieldNode *book.Node
-			if field.opts.Name == "" {
-				// NOTE: this is a workaround specially for parsing metasheet.
+			if md.FullName() == "tableau.Metabook" {
+				// NOTE: this is a workaround specially for parsing metabook.
 				//
 				// just treat self node (with meta child removed) as field node
 				// if option Name is empty
@@ -302,16 +303,25 @@ func (sp *documentParser) parseListField(field *Field, msg protoreflect.Message,
 	// Mutable returns a mutable reference to a composite type.
 	newValue := msg.Mutable(field.fd)
 	list := newValue.List()
-	if field.opts.Layout == tableaupb.Layout_LAYOUT_INCELL {
+	switch {
+	case field.opts.Layout == tableaupb.Layout_LAYOUT_INCELL,
+		// node of XML scalar list with only 1 element is just like an incell list
+		node.Kind == book.ScalarNode:
 		present, err = sp.parser.parseIncellListField(field, list, node.Value)
 		if err != nil {
 			return false, xerrors.WithMessageKV(err, node.DebugKV()...)
 		}
-	} else {
+	default:
 		for _, elemNode := range node.Children {
 			elemPresent := false
 			newListValue := list.NewElement()
-			if field.fd.Kind() == protoreflect.MessageKind {
+			if xproto.IsUnionField(field.fd) {
+				// cross-cell union list
+				elemPresent, err = sp.parseUnionMessage(field, newListValue.Message(), elemNode)
+				if err != nil {
+					return false, xerrors.WithMessageKV(err, elemNode.DebugKV()...)
+				}
+			} else if field.fd.Kind() == protoreflect.MessageKind {
 				// cross-cell struct list
 				elemPresent, err = sp.parseMessage(newListValue.Message(), elemNode)
 				if err != nil {
@@ -340,7 +350,38 @@ func (sp *documentParser) parseListField(field *Field, msg protoreflect.Message,
 }
 
 func (sp *documentParser) parseUnionField(field *Field, msg protoreflect.Message, node *book.Node) (present bool, err error) {
-	return false, xerrors.Errorf("union type not supported yet")
+	var structValue protoreflect.Value
+	if msg.Has(field.fd) {
+		// Get it if this field is populated. It will be overwritten if present.
+		structValue = msg.Mutable(field.fd)
+	} else {
+		structValue = msg.NewField(field.fd)
+	}
+
+	if field.opts.Span == tableaupb.Span_SPAN_INNER_CELL {
+		if present, err = sp.parser.parseIncellUnion(structValue, node.Value, field.opts.GetProp().GetForm()); err != nil {
+			return false, xerrors.WithMessageKV(err, node.DebugNameKV()...)
+		}
+		if present {
+			msg.Set(field.fd, structValue)
+		}
+		return present, nil
+	}
+
+	if node.Kind == book.ListNode {
+		if len(node.Children) != 1 {
+			return false, xerrors.ErrorKV("list node of union must have and only have one child", node.DebugKV()...)
+		}
+		node = node.Children[0]
+	}
+	present, err = sp.parseUnionMessage(field, structValue.Message(), node)
+	if err != nil {
+		return false, xerrors.WithMessageKV(err, node.DebugKV()...)
+	}
+	if present {
+		msg.Set(field.fd, structValue)
+	}
+	return present, nil
 }
 
 func (sp *documentParser) parseStructField(field *Field, msg protoreflect.Message, node *book.Node) (present bool, err error) {
@@ -393,12 +434,8 @@ func (sp *documentParser) parseStructField(field *Field, msg protoreflect.Messag
 }
 
 func (sp *documentParser) parseScalarField(field *Field, msg protoreflect.Message, node *book.Node) (present bool, err error) {
-	if msg.Has(field.fd) {
-		// Only parse if this field is not populated. This means the first
-		// none-empty related row part (related to scalar) is parsed.
-		return true, nil
-	}
 	var newValue protoreflect.Value
+	// FIXME(wenchy): treat any scalar field's present as true if this field's key exists?
 	newValue, present, err = sp.parser.parseFieldValue(field.fd, node.Value, field.opts.Prop)
 	if err != nil {
 		return false, xerrors.WithMessageKV(err, node.DebugKV()...)
@@ -409,3 +446,101 @@ func (sp *documentParser) parseScalarField(field *Field, msg protoreflect.Messag
 	msg.Set(field.fd, newValue)
 	return true, nil
 }
+
+func (sp *documentParser) parseUnionMessage(field *Field, msg protoreflect.Message, node *book.Node) (present bool, err error) {
+	unionDesc := xproto.ExtractUnionDescriptor(field.fd.Message())
+	if unionDesc == nil {
+		return false, xerrors.Errorf("illegal definition of union: %s", field.fd.Message().FullName())
+	}
+
+	// parse union type
+	typeNodeName := unionDesc.TypeName()
+	typeNode := node.FindChild(typeNodeName)
+	if typeNode == nil && xproto.GetFieldDefaultValue(unionDesc.Type) != "" {
+		// if this field has a default value, use virtual node
+		typeNode = &book.Node{
+			Name:  node.Name,
+			Value: node.Value,
+		}
+	}
+	if typeNode == nil {
+		if sp.parser.IsFieldOptional(field) {
+			// field not found and is optional, just return nil.
+			return false, nil
+		}
+		kvs := node.DebugNameKV()
+		kvs = append(kvs,
+			xerrors.KeyPBFieldType, xproto.GetFieldTypeName(unionDesc.Type),
+			xerrors.KeyPBFieldName, unionDesc.Type.FullName(),
+			xerrors.KeyPBFieldOpts, field.opts,
+		)
+		return false, xerrors.WrapKV(xerrors.E2014(field.opts.Name), kvs...)
+	}
+
+	var typeVal protoreflect.Value
+	typeVal, present, err = sp.parser.parseFieldValue(unionDesc.Type, typeNode.Value, nil)
+	if err != nil {
+		return false, xerrors.WithMessageKV(err, typeNode.DebugNameKV()...)
+	}
+	msg.Set(unionDesc.Type, typeVal)
+
+	// parse value
+	fieldNumber := int32(typeVal.Enum())
+	if fieldNumber == 0 {
+		// default enum value 0, no need to parse.
+		return false, nil
+	}
+	valueFD := unionDesc.GetValueByNumber(fieldNumber)
+	if valueFD == nil {
+		typeValue := unionDesc.Type.Enum().Values().ByNumber(protoreflect.EnumNumber(fieldNumber)).Name()
+		return false, xerrors.WithMessageKV(xerrors.E2010(typeValue, fieldNumber), node.DebugKV()...)
+	}
+	fieldValue := msg.NewField(valueFD)
+	if valueFD.Kind() == protoreflect.MessageKind {
+		// MUST be message type.
+		md := valueFD.Message()
+		msg := fieldValue.Message()
+		for i := 0; i < md.Fields().Len(); i++ {
+			fd := md.Fields().Get(i)
+			valNodeName := unionDesc.ValueFieldName() + strconv.Itoa(int(fd.Number()))
+			err := func() error {
+				subField := parseFieldDescriptor(fd, sp.parser.opts.Sep, sp.parser.opts.Subsep)
+				defer subField.release()
+				valNode := node.FindChild(valNodeName)
+				if valNode == nil && xproto.GetFieldDefaultValue(fd) != "" {
+					// if this field has a default value, use virtual node
+					valNode = &book.Node{
+						Name:  node.Name,
+						Value: node.Value,
+					}
+				}
+				if valNode == nil {
+					if sp.parser.IsFieldOptional(subField) {
+						// field not found and is optional, just return nil.
+						return nil
+					}
+					kvs := node.DebugNameKV()
+					kvs = append(kvs,
+						xerrors.KeyPBFieldType, xproto.GetFieldTypeName(fd),
+						xerrors.KeyPBFieldName, fd.FullName(),
+						xerrors.KeyPBFieldOpts, subField.opts,
+					)
+					return xerrors.WrapKV(xerrors.E2014(subField.opts.Name), kvs...)
+				}
+				err = sp.parser.parseUnionMessageField(subField, msg, valNode.Value)
+				if err != nil {
+					return xerrors.WithMessageKV(err, valNode.DebugNameKV()...)
+				}
+				return nil
+			}()
+			if err != nil {
+				return false, err
+			}
+		}
+	} else {
+		// scalar: not supported yet.
+		return false, xerrors.Errorf("union value (oneof) as scalar type not supported: %s", valueFD.FullName())
+	}
+	msg.Set(valueFD, fieldValue)
+	return present, nil
+}
diff --git a/internal/confgen/parser.go b/internal/confgen/parser.go
index 3f7b6f5..75b4601 100644
--- a/internal/confgen/parser.go
+++ b/internal/confgen/parser.go
@@ -3,6 +3,7 @@ package confgen
 import (
 	"errors"
 	"fmt"
+	"path/filepath"
 	"strconv"
 	"strings"
 	"sync"
@@ -10,6 +11,7 @@ import (
 	"github.com/iancoleman/strcase"
 	"github.com/tableauio/tableau/format"
 	"github.com/tableauio/tableau/internal/confgen/prop"
+	"github.com/tableauio/tableau/internal/fs"
 	"github.com/tableauio/tableau/internal/importer"
 	"github.com/tableauio/tableau/internal/importer/book"
 	"github.com/tableauio/tableau/internal/types"
@@ -44,10 +46,21 @@ func NewSheetExporter(outputDir string, output *options.ConfOutputOption) *sheet
 func (x *sheetExporter) ScatterAndExport(info *SheetInfo,
 	mainImpInfo importer.ImporterInfo,
 	impInfos ...importer.ImporterInfo) error {
-	// exported conf name pattern is : <BookName>_<SheetName>
+	// exported conf name pattern is : [ParentDir/]<BookName>_<SheetName>
 	getExportedConfName := func(info *SheetInfo, impInfo importer.ImporterInfo) string {
 		sheetName := getRealSheetName(info, impInfo)
-		return fmt.Sprintf("%s_%s", impInfo.BookName(), sheetName)
+		// here filename has no ext suffix
+		var filename string
+		if info.Opts.ScatterWithoutBookName {
+			filename = sheetName
+		} else {
+			filename = fmt.Sprintf("%s_%s", impInfo.BookName(), sheetName)
+		}
+		if info.Opts.WithParentDir {
+			parentDirName := fs.GetDirectParentDirName(impInfo.Filename())
+			return filepath.Join(parentDirName, filename)
+		}
+		return filename
 	}
 	// parse main sheet
 	mainMsg, err := parseMessageFromOneImporter(info, mainImpInfo)
@@ -76,22 +89,43 @@ func (x *sheetExporter) ScatterAndExport(info *SheetInfo,
 				xproto.PatchMerge(clonedMainMsg, msg)
 				msg = clonedMainMsg
 			}
+			if info.Opts.Patch == tableaupb.Patch_PATCH_MERGE {
+				if info.ExtInfo.DryRun == options.DryRunPatch {
+					clonedMainMsg := proto.Clone(mainMsg)
+					xproto.PatchMerge(clonedMainMsg, msg)
+					msg = clonedMainMsg
+				} else {
+					return storePatchMergeMessage(msg, name, x.OutputDir, x.OutputOpt)
+				}
+			}
 			return storeMessage(msg, name, x.OutputDir, x.OutputOpt)
 		})
 	}
-	if err := eg.Wait(); err != nil {
-		return err
-	}
-	return nil
+	return eg.Wait()
 }
 
 // MergeAndExport parse multiple importer infos and merge into one protomsg, then export it.
-func (x *sheetExporter) MergeAndExport(info *SheetInfo, impInfos ...importer.ImporterInfo) error {
-	protomsg, err := ParseMessage(info, impInfos...)
+func (x *sheetExporter) MergeAndExport(info *SheetInfo,
+	mainImpInfo importer.ImporterInfo,
+	impInfos ...importer.ImporterInfo) error {
+	// append main
+	allImpInfos := append(impInfos, importer.ImporterInfo{Importer: mainImpInfo})
+	protomsg, err := ParseMessage(info, allImpInfos...)
 	if err != nil {
 		return err
 	}
-	return storeMessage(protomsg, string(info.MD.Name()), x.OutputDir, x.OutputOpt)
+	// exported conf name pattern is : [ParentDir/]<SheetName>
+	getExportedConfName := func(info *SheetInfo, impInfo importer.ImporterInfo) string {
+		// here filename has no ext suffix
+		filename := string(info.MD.Name())
+		if info.Opts.WithParentDir {
+			parentDirName := fs.GetDirectParentDirName(impInfo.Filename())
+			return filepath.Join(parentDirName, filename)
+		}
+		return filename
+	}
+	name := getExportedConfName(info, mainImpInfo)
+	return storeMessage(protomsg, name, x.OutputDir, x.OutputOpt)
 }
 
 type oneMsg struct {
diff --git a/internal/confgen/util.go b/internal/confgen/util.go
index 2a44dfd..bc7d0da 100644
--- a/internal/confgen/util.go
+++ b/internal/confgen/util.go
@@ -254,3 +254,26 @@ func storeMessage(msg proto.Message, name string, outputDir string, opt *options
 	}
 	return nil
 }
+
+// storePatchMergeMessage stores a patch merge message to one or multiple file
+// formats. It will not emit unpopulated fields for clear reading.
+func storePatchMergeMessage(msg proto.Message, name string, outputDir string, opt *options.ConfOutputOption) error {
+	outputDir = filepath.Join(outputDir, opt.Subdir)
+	formats := format.OutputFormats
+	if len(opt.Formats) != 0 {
+		formats = opt.Formats
+	}
+	for _, fmt := range formats {
+		err := store.Store(msg, outputDir, fmt,
+			store.Name(name),
+			store.Pretty(opt.Pretty),
+			// store.EmitUnpopulated(opt.EmitUnpopulated), // DO NOT emit unpopulated fields for clear reading
+			store.UseProtoNames(opt.UseProtoNames),
+			store.UseEnumNumbers(opt.UseEnumNumbers),
+		)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
diff --git a/internal/confgen/version.go b/internal/confgen/version.go
index 53623bd..11f6604 100644
--- a/internal/confgen/version.go
+++ b/internal/confgen/version.go
@@ -1,3 +1,3 @@
 package confgen
 
-const Version = "0.6.0"
+const Version = "0.6.1"
diff --git a/internal/fs/util.go b/internal/fs/util.go
index 6ec6a39..e475fa5 100644
--- a/internal/fs/util.go
+++ b/internal/fs/util.go
@@ -161,3 +161,21 @@ func RangeFilesByFormat(dir string, fmt format.Format, callback func(bookPath st
 	}
 	return nil
 }
+
+// GetDirectParentDirName returns the name of the direct parent directory
+// of the given path. E.g.: "/parent/to/file.txt" -> "to".
+func GetDirectParentDirName(path string) string {
+	pathDir := filepath.Dir(path)
+	// Split the parent directory into components
+	components := strings.Split(pathDir, string(filepath.Separator))
+	if len(components) != 0 {
+		// The last componentis the direct parent directory name
+		parentDir := components[len(components)-1]
+		if parentDir == "." {
+			// Dir returns ".". If the path consists entirely of separators
+			return ""
+		}
+		return parentDir
+	}
+	return ""
+}
diff --git a/internal/importer/book/sheet.go b/internal/importer/book/sheet.go
index 4ffac45..03ae0fd 100644
--- a/internal/importer/book/sheet.go
+++ b/internal/importer/book/sheet.go
@@ -122,26 +122,28 @@ func (s *Sheet) ToWorkseet() *tableaupb.Worksheet {
 	return &tableaupb.Worksheet{
 		Name: s.GetProtoName(),
 		Options: &tableaupb.WorksheetOptions{
-			Name:          s.GetDataName(),
-			Namerow:       s.Meta.Namerow,
-			Typerow:       s.Meta.Typerow,
-			Noterow:       s.Meta.Noterow,
-			Datarow:       s.Meta.Datarow,
-			Transpose:     s.Meta.Transpose,
-			Tags:          "",
-			Nameline:      s.Meta.Nameline,
-			Typeline:      s.Meta.Typeline,
-			Nested:        s.Meta.Nested,
-			Sep:           s.Meta.Sep,
-			Subsep:        s.Meta.Subsep,
-			Merger:        s.Meta.Merger,
-			AdjacentKey:   s.Meta.AdjacentKey,
-			FieldPresence: s.Meta.FieldPresence,
-			Template:      s.Meta.Template,
-			Mode:          s.Meta.Mode,
-			Scatter:       s.Meta.Scatter,
-			Optional:      s.Meta.Optional,
-			Patch:         s.Meta.Patch,
+			Name:                   s.GetDataName(),
+			Namerow:                s.Meta.Namerow,
+			Typerow:                s.Meta.Typerow,
+			Noterow:                s.Meta.Noterow,
+			Datarow:                s.Meta.Datarow,
+			Transpose:              s.Meta.Transpose,
+			Tags:                   "",
+			Nameline:               s.Meta.Nameline,
+			Typeline:               s.Meta.Typeline,
+			Nested:                 s.Meta.Nested,
+			Sep:                    s.Meta.Sep,
+			Subsep:                 s.Meta.Subsep,
+			Merger:                 s.Meta.Merger,
+			AdjacentKey:            s.Meta.AdjacentKey,
+			FieldPresence:          s.Meta.FieldPresence,
+			Template:               s.Meta.Template,
+			Mode:                   s.Meta.Mode,
+			Scatter:                s.Meta.Scatter,
+			Optional:               s.Meta.Optional,
+			Patch:                  s.Meta.Patch,
+			WithParentDir:          s.Meta.WithParentDir,
+			ScatterWithoutBookName: s.Meta.ScatterWithoutBookName,
 			// Loader options:
 			OrderedMap: s.Meta.OrderedMap,
 			Index:      parseIndexes(s.Meta.Index),
diff --git a/internal/importer/xml.go b/internal/importer/xml.go
index 39f1c4d..59613b5 100644
--- a/internal/importer/xml.go
+++ b/internal/importer/xml.go
@@ -212,13 +212,21 @@ func parseXMLNode(node *xmldom.Node, bnode *book.Node, mode ImporterMode) error
 		bnode.Kind = book.MapNode
 		bnode.Name = node.Name
 		if typeAttr := node.GetAttribute(atTypeDisplacement); typeAttr != nil {
-			fmt.Println(node.Name, typeAttr.Value)
 			// predefined struct
 			if len(node.Attributes) != 1 || len(node.Children) != 0 || node.Text != "" {
 				return errors.Errorf("predefined struct should not have children, text, or other attributes|name: %s", node.Name)
 			}
-			bnode.Kind = book.ScalarNode
-			bnode.Value = typeAttr.Value
+			bnode.Kind = book.MapNode
+			bnode.Children = append(bnode.Children, &book.Node{
+				Name:  book.KeywordType,
+				Value: typeAttr.Value,
+			})
+			if desc := types.MatchList(typeAttr.Value); desc != nil {
+				bnode.Children = append(bnode.Children, &book.Node{
+					Name:  book.KeywordVariable,
+					Value: fmt.Sprintf("%sList", bnode.Name),
+				})
+			}
 			return nil
 		}
 		// NOTE: curBNode may be pointed to one subnode when needed
@@ -283,21 +291,36 @@ func parseXMLNode(node *xmldom.Node, bnode *book.Node, mode ImporterMode) error
 				return errors.Wrapf(err, "parse xml node failed")
 			}
 			if subNode.Kind == book.ScalarNode {
-				bnode.Children = append(bnode.Children, subNode)
-			} else if existingBnode := bnode.FindChild(subNode.Name); existingBnode == nil {
-				bnode.Children = append(bnode.Children, &book.Node{
-					Kind: book.ListNode,
-					Name: subNode.Name,
-					Children: []*book.Node{
-						{
-							Kind:     book.MapNode,
-							Children: subNode.Children,
-						},
-					},
-				})
+				if existingBnode := bnode.FindChild(subNode.Name); existingBnode == nil {
+					bnode.Children = append(bnode.Children, subNode)
+				} else if existingBnode.Kind == book.ScalarNode {
+					existingBnode.Kind = book.ListNode
+					subNode.Name = ""
+					existingBnode.Children = append(existingBnode.Children, &book.Node{
+						Kind:  book.ScalarNode,
+						Value: existingBnode.Value,
+					}, subNode)
+					existingBnode.Value = ""
+				} else {
+					subNode.Name = ""
+					existingBnode.Children = append(existingBnode.Children, subNode)
+				}
 			} else {
-				subNode.Name = ""
-				existingBnode.Children = append(existingBnode.Children, subNode)
+				if existingBnode := bnode.FindChild(subNode.Name); existingBnode == nil {
+					bnode.Children = append(bnode.Children, &book.Node{
+						Kind: book.ListNode,
+						Name: subNode.Name,
+						Children: []*book.Node{
+							{
+								Kind:     book.MapNode,
+								Children: subNode.Children,
+							},
+						},
+					})
+				} else {
+					subNode.Name = ""
+					existingBnode.Children = append(existingBnode.Children, subNode)
+				}
 			}
 		}
 	}
@@ -324,6 +347,10 @@ func parseXMLAttribute(bnode *book.Node, attrName, attrValue string, isFirstAttr
 									Name:  book.KeywordType,
 									Value: attrValue,
 								},
+								{
+									Name:  book.KeywordVariable,
+									Value: fmt.Sprintf("%sMap", attrName),
+								},
 								{
 									Name:  book.KeywordIncell,
 									Value: "true",
@@ -346,6 +373,10 @@ func parseXMLAttribute(bnode *book.Node, attrName, attrValue string, isFirstAttr
 						Name:  book.KeywordType,
 						Value: attrValue,
 					},
+					{
+						Name:  book.KeywordVariable,
+						Value: fmt.Sprintf("%sMap", attrName),
+					},
 					{
 						Name:  book.KeywordIncell,
 						Value: "true",
@@ -382,7 +413,7 @@ func parseXMLAttribute(bnode *book.Node, attrName, attrValue string, isFirstAttr
 			return curBNode, nil
 		}
 	} else if desc := types.MatchList(attrValue); desc != nil {
-		if desc.ElemType != "" {
+		if desc.ElemType != "" && desc.ColumnType != "" {
 			// struct list
 			curBNode = &book.Node{
 				Kind: book.MapNode,
@@ -407,6 +438,41 @@ func parseXMLAttribute(bnode *book.Node, attrName, attrValue string, isFirstAttr
 				bnode.Children = append(bnode.Children, curBNode.Children[0])
 				return bnode, nil
 			}
+		} else if desc.ElemType != "" {
+			// scalar or enum list
+			curBNode = &book.Node{
+				Kind: book.MapNode,
+				Name: book.KeywordStruct,
+				Children: []*book.Node{
+					{
+						Kind: book.MapNode,
+						Name: attrName,
+						Children: []*book.Node{
+							{
+								Name:  book.KeywordType,
+								Value: attrValue,
+							},
+							{
+								Name:  book.KeywordVariable,
+								Value: fmt.Sprintf("%sList", attrName),
+							},
+						},
+					},
+				},
+			}
+			if isFirstAttr {
+				bnode.Children = append(bnode.Children, &book.Node{
+					Name:  book.KeywordType,
+					Value: fmt.Sprintf("[%s]", bnode.Name),
+				}, &book.Node{
+					Name:  book.KeywordVariable,
+					Value: fmt.Sprintf("%sList", bnode.Name),
+				}, curBNode)
+				return curBNode, nil
+			} else {
+				bnode.Children = append(bnode.Children, curBNode.Children[0])
+				return bnode, nil
+			}
 		} else {
 			// incell list
 			curBNode = &book.Node{
@@ -445,25 +511,45 @@ func parseXMLAttribute(bnode *book.Node, attrName, attrValue string, isFirstAttr
 			}
 		}
 	} else if desc := types.MatchStruct(attrValue); desc != nil {
-		curBNode = &book.Node{
-			Kind: book.MapNode,
-			Name: book.KeywordStruct,
-			Children: []*book.Node{
-				{
-					Name:  attrName,
-					Value: desc.ColumnType,
-				},
-			},
-		}
-		if isFirstAttr {
+		switch {
+		case desc.ColumnType == "", // predefined incell struct, e.g.: {.Item}
+			strings.Contains(desc.StructType, " "): // incell struct, e.g.: {int32 ID, string Name}Item
 			bnode.Children = append(bnode.Children, &book.Node{
-				Name:  book.KeywordType,
-				Value: fmt.Sprintf("{%s}", bnode.Name),
-			}, curBNode)
-			return curBNode, nil
-		} else {
-			bnode.Children = append(bnode.Children, curBNode)
+				Kind: book.MapNode,
+				Name: attrName,
+				Children: []*book.Node{
+					{
+						Name:  book.KeywordType,
+						Value: attrValue,
+					},
+					{
+						Name:  book.KeywordIncell,
+						Value: "true",
+					},
+				},
+			})
 			return bnode, nil
+		default:
+			curBNode = &book.Node{
+				Kind: book.MapNode,
+				Name: book.KeywordStruct,
+				Children: []*book.Node{
+					{
+						Name:  attrName,
+						Value: desc.ColumnType,
+					},
+				},
+			}
+			if isFirstAttr {
+				bnode.Children = append(bnode.Children, &book.Node{
+					Name:  book.KeywordType,
+					Value: fmt.Sprintf("{%s}", desc.StructType),
+				}, curBNode)
+				return curBNode, nil
+			} else {
+				bnode.Children = append(bnode.Children, curBNode)
+				return bnode, nil
+			}
 		}
 	} else if isFirstAttr {
 		// generate struct when first encounter scalar attribute
diff --git a/internal/protogen/document_parser.go b/internal/protogen/document_parser.go
index 3334668..2e3d5d6 100644
--- a/internal/protogen/document_parser.go
+++ b/internal/protogen/document_parser.go
@@ -17,8 +17,8 @@ type documentBookParser struct {
 	parser *bookParser
 }
 
-func newDocumentBookParser(bookName, relSlashPath string, gen *Generator) *documentBookParser {
-	parser := newBookParser(bookName, relSlashPath, gen)
+func newDocumentBookParser(bookName, alias, relSlashPath string, gen *Generator) *documentBookParser {
+	parser := newBookParser(bookName, alias, relSlashPath, gen)
 	return &documentBookParser{parser: parser}
 }
 
diff --git a/internal/protogen/exporter.go b/internal/protogen/exporter.go
index 6f65402..5293d4a 100644
--- a/internal/protogen/exporter.go
+++ b/internal/protogen/exporter.go
@@ -264,7 +264,9 @@ func (x *sheetExporter) exportMessager() error {
 
 func (x *sheetExporter) exportField(depth int, tagid int, field *tableaupb.Field, prefix string) error {
 	label := ""
-	if x.ws.Options != nil && x.ws.Options.FieldPresence && types.IsScalarType(field.FullType) {
+	if x.ws.GetOptions().GetFieldPresence() &&
+		types.IsScalarType(field.FullType) &&
+		!types.IsWellKnownMessage(field.FullType) {
 		label = "optional "
 	}
 
diff --git a/internal/protogen/parser.go b/internal/protogen/parser.go
index c755d0f..50d4259 100644
--- a/internal/protogen/parser.go
+++ b/internal/protogen/parser.go
@@ -34,11 +34,15 @@ type bookParser struct {
 	wb  *tableaupb.Workbook
 }
 
-func newBookParser(bookName, relSlashPath string, gen *Generator) *bookParser {
+func newBookParser(bookName, alias, relSlashPath string, gen *Generator) *bookParser {
 	// log.Debugf("filenameWithSubdirPrefix: %v", filenameWithSubdirPrefix)
-	filename := strcase.ToSnake(bookName)
+	protoBookName := bookName // generated proto book file name
+	if alias != "" {
+		protoBookName = alias
+	}
+	filename := strcase.ToSnake(protoBookName)
 	if gen.OutputOpt.FilenameWithSubdirPrefix {
-		bookPath := filepath.Join(filepath.Dir(relSlashPath), bookName)
+		bookPath := filepath.Join(filepath.Dir(relSlashPath), protoBookName)
 		snakePath := strcase.ToSnake(fs.CleanSlashPath(bookPath))
 		filename = strings.ReplaceAll(snakePath, "/", "__")
 	}
@@ -48,7 +52,8 @@ func newBookParser(bookName, relSlashPath string, gen *Generator) *bookParser {
 			Options: &tableaupb.WorkbookOptions{
 				// NOTE(wenchy): all OS platforms use path slash separator `/`
 				// see: https://stackoverflow.com/questions/9371031/how-do-i-create-crossplatform-file-paths-in-go
-				Name: relSlashPath,
+				Name:  relSlashPath,
+				Alias: alias,
 			},
 			Worksheets: []*tableaupb.Worksheet{},
 			Name:       filename,
diff --git a/internal/protogen/protogen.go b/internal/protogen/protogen.go
index ae3bb7e..3ad8aed 100644
--- a/internal/protogen/protogen.go
+++ b/internal/protogen/protogen.go
@@ -296,10 +296,9 @@ func (gen *Generator) convertDocument(dir, filename string, checkProtoFileConfli
 	bookName := imp.BookName()
 	alias := getWorkbookAlias(imp)
 	if alias != "" {
-		bookName = alias
 		debugBookName += " (alias: " + alias + ")"
 	}
-	bp := newDocumentBookParser(bookName, rewrittenBookName, gen)
+	bp := newDocumentBookParser(bookName, alias, rewrittenBookName, gen)
 	for _, sheet := range imp.GetSheets() {
 		// parse sheet options
 		ws := sheet.ToWorkseet()
@@ -384,10 +383,9 @@ func (gen *Generator) convertTable(dir, filename string, checkProtoFileConflicts
 		bookName := imp.BookName()
 		alias := getWorkbookAlias(imp)
 		if alias != "" {
-			bookName = alias
 			debugBookName += " (alias: " + alias + ")"
 		}
-		bp = newBookParser(bookName, rewrittenBookName, gen)
+		bp = newBookParser(bookName, alias, rewrittenBookName, gen)
 		// cache this new bookParser
 		gen.addBookParser(absPath, bp)
 	} else {
@@ -601,7 +599,7 @@ func (gen *Generator) parseSpecialSheetMode(mode tableaupb.Mode, ws *tableaupb.W
 		if err := parser.Parse(desc, sheet); err != nil {
 			return errors.WithMessagef(err, "failed to parse struct type sheet: %s", sheet.Name)
 		}
-		bp := newBookParser("struct", "", gen)
+		bp := newBookParser("struct", "", "", gen)
 		shHeader := &tableHeader{
 			meta: &tableaupb.WorksheetOptions{
 				Namerow: 1,
@@ -644,7 +642,7 @@ func (gen *Generator) parseSpecialSheetMode(mode tableaupb.Mode, ws *tableaupb.W
 				Alias:  value.Alias,
 			}
 			// create a book parser
-			bp := newBookParser("union", "", gen)
+			bp := newBookParser("union", "", "", gen)
 
 			shHeader := &tableHeader{
 				meta: &tableaupb.WorksheetOptions{
diff --git a/internal/protogen/version.go b/internal/protogen/version.go
index 9bb67c0..5156ecd 100644
--- a/internal/protogen/version.go
+++ b/internal/protogen/version.go
@@ -1,3 +1,3 @@
 package protogen
 
-const Version = "0.6.0"
+const Version = "0.6.1"
diff --git a/internal/types/types.go b/internal/types/types.go
index d3f892e..243fc82 100644
--- a/internal/types/types.go
+++ b/internal/types/types.go
@@ -366,8 +366,8 @@ func init() {
 	}
 }
 
-func IsScalarType(t string) bool {
-	if kind, ok := typeKindMap[t]; ok {
+func IsScalarType(fullTypeName string) bool {
+	if kind, ok := typeKindMap[fullTypeName]; ok {
 		return kind == ScalarKind
 	}
 	return false
diff --git a/internal/xproto/build.go b/internal/xproto/build.go
index 31e3133..b9488ea 100644
--- a/internal/xproto/build.go
+++ b/internal/xproto/build.go
@@ -11,7 +11,6 @@ import (
 	"github.com/tableauio/tableau/internal/types"
 	"github.com/tableauio/tableau/log"
 	"github.com/tableauio/tableau/proto/tableaupb"
-	_ "github.com/tableauio/tableau/proto/tableaupb"
 	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/reflect/protodesc"
 	"google.golang.org/protobuf/reflect/protoreflect"
diff --git a/internal/xproto/merge.go b/internal/xproto/merge.go
index 57f0651..0d29b09 100644
--- a/internal/xproto/merge.go
+++ b/internal/xproto/merge.go
@@ -106,7 +106,7 @@ func CheckMapDuplicateKey(dst, src proto.Message) error {
 //   - map: Clear field firstly, and then all entries of this map field in src
 //     are copied into the corresponding map field in dst.
 //
-// [proto.Merge]: https://pkg.go.dev/google.golang.org/protobuf/proto#PatchMerge
+// [proto.Merge]: https://pkg.go.dev/google.golang.org/protobuf/proto#Merge
 func PatchMerge(dst, src proto.Message) error {
 	dstMsg, srcMsg := dst.ProtoReflect(), src.ProtoReflect()
 	if dstMsg.Descriptor().FullName() != srcMsg.Descriptor().FullName() {
diff --git a/internal/xproto/value.go b/internal/xproto/value.go
index 53c2504..02ab165 100644
--- a/internal/xproto/value.go
+++ b/internal/xproto/value.go
@@ -12,6 +12,7 @@ import (
 	"google.golang.org/protobuf/proto"
 	pref "google.golang.org/protobuf/reflect/protoreflect"
 	"google.golang.org/protobuf/types/descriptorpb"
+	"google.golang.org/protobuf/types/dynamicpb"
 	"google.golang.org/protobuf/types/known/durationpb"
 	"google.golang.org/protobuf/types/known/timestamppb"
 )
@@ -49,15 +50,6 @@ func init() {
 	DefaultDurationValue = pref.ValueOfMessage(du.ProtoReflect())
 }
 
-func GetFieldDefaultValue(fd pref.FieldDescriptor) string {
-	opts := fd.Options().(*descriptorpb.FieldOptions)
-	fieldOpts := proto.GetExtension(opts, tableaupb.E_Field).(*tableaupb.FieldOptions)
-	if fieldOpts != nil && fieldOpts.Prop != nil {
-		return fieldOpts.Prop.Default
-	}
-	return ""
-}
-
 // ParseFieldValue parses field value by FieldDescriptor. It can parse following
 // basic types:
 //
@@ -81,14 +73,25 @@ func ParseFieldValue(fd pref.FieldDescriptor, rawValue string, locationName stri
 		return s
 	}
 
-	value := strings.TrimSpace(rawValue)
-	defaultValue := GetFieldDefaultValue(fd)
-	if value == "" {
-		value = strings.TrimSpace(defaultValue)
+	getTrimmedValue := func() string {
+		value := strings.TrimSpace(rawValue)
+		if value == "" {
+			value = strings.TrimSpace(GetFieldDefaultValue(fd))
+		}
+		return value
+	}
+
+	getValue := func() string {
+		value := rawValue
+		if value == "" {
+			value = GetFieldDefaultValue(fd)
+		}
+		return value
 	}
 
 	switch fd.Kind() {
 	case pref.Int32Kind, pref.Sint32Kind, pref.Sfixed32Kind:
+		value := getTrimmedValue()
 		if value == "" {
 			return DefaultInt32Value, false, nil
 		}
@@ -107,6 +110,7 @@ func ParseFieldValue(fd pref.FieldDescriptor, rawValue string, locationName stri
 		return pref.ValueOfInt32(int32(val)), true, xerrors.E2012("int32", value, err)
 
 	case pref.Uint32Kind, pref.Fixed32Kind:
+		value := getTrimmedValue()
 		if value == "" {
 			return DefaultUint32Value, false, nil
 		}
@@ -117,7 +121,9 @@ func ParseFieldValue(fd pref.FieldDescriptor, rawValue string, locationName stri
 			return DefaultUint32Value, false, xerrors.E2000("uint32", value, 0, math.MaxUint32)
 		}
 		return pref.ValueOfUint32(uint32(val)), true, xerrors.E2012("uint32", value, err)
+
 	case pref.Int64Kind, pref.Sint64Kind, pref.Sfixed64Kind:
+		value := getTrimmedValue()
 		if value == "" {
 			return DefaultInt64Value, false, nil
 		}
@@ -126,7 +132,9 @@ func ParseFieldValue(fd pref.FieldDescriptor, rawValue string, locationName stri
 			return DefaultInt64Value, false, xerrors.E2012("int64", value, err)
 		}
 		return pref.ValueOfInt64(val), true, nil
+
 	case pref.Uint64Kind, pref.Fixed64Kind:
+		value := getTrimmedValue()
 		if value == "" {
 			return DefaultUint64Value, false, nil
 		}
@@ -135,7 +143,9 @@ func ParseFieldValue(fd pref.FieldDescriptor, rawValue string, locationName stri
 			return DefaultUint64Value, false, xerrors.E2012("uint64", value, err)
 		}
 		return pref.ValueOfUint64(val), true, nil
+
 	case pref.BoolKind:
+		value := getTrimmedValue()
 		if value == "" {
 			return DefaultBoolValue, false, nil
 		}
@@ -147,6 +157,7 @@ func ParseFieldValue(fd pref.FieldDescriptor, rawValue string, locationName stri
 		return pref.ValueOfBool(val), true, xerrors.E2013(value, err)
 
 	case pref.FloatKind:
+		value := getTrimmedValue()
 		if value == "" {
 			return DefaultFloat32Value, false, nil
 		}
@@ -154,19 +165,38 @@ func ParseFieldValue(fd pref.FieldDescriptor, rawValue string, locationName stri
 		return pref.ValueOfFloat32(float32(val)), true, xerrors.E2012("float", value, err)
 
 	case pref.DoubleKind:
+		value := getTrimmedValue()
 		if value == "" {
 			return DefaultFloat64Value, false, nil
 		}
 		val, err := strconv.ParseFloat(value, 64)
-		return pref.ValueOfFloat64(val), true, xerrors.E2012("float64", value, err)
+		return pref.ValueOfFloat64(val), true, xerrors.E2012("double", value, err)
 
 	case pref.StringKind:
-		return pref.ValueOfString(value), value != "", nil
+		value := getValue()
+		var present bool
+		if value != "" {
+			present = true
+		} else {
+			present = fd.HasPresence()
+		}
+		return pref.ValueOfString(value), present, nil
+
 	case pref.BytesKind:
-		return pref.ValueOfBytes([]byte(value)), value != "", nil
+		value := getValue()
+		var present bool
+		if value != "" {
+			present = true
+		} else {
+			present = fd.HasPresence()
+		}
+		return pref.ValueOfBytes([]byte(value)), present, nil
+
 	case pref.EnumKind:
+		value := getTrimmedValue()
 		return parseEnumValue(fd, value)
 	case pref.MessageKind:
+		value := getTrimmedValue()
 		msgName := fd.Message().FullName()
 		switch msgName {
 		case types.WellKnownMessageTimestamp:
@@ -180,12 +210,20 @@ func ParseFieldValue(fd pref.FieldDescriptor, rawValue string, locationName stri
 				return DefaultTimestampValue, true, xerrors.E2007(value, err)
 			}
 			// log.Debugf("timeStr: %v, unix timestamp: %v", value, t.Unix())
+
 			ts := timestamppb.New(t)
 			if err := ts.CheckValid(); err != nil {
 				return DefaultTimestampValue, true, xerrors.WrapKV(err)
 			}
-			return pref.ValueOf(ts.ProtoReflect()), true, nil
+			md := fd.Message()
+			msg := dynamicpb.NewMessage(md)
+			msg.Set(md.Fields().ByName("seconds"), pref.ValueOfInt64(ts.Seconds))
+			msg.Set(md.Fields().ByName("nanos"), pref.ValueOfInt32(ts.Nanos))
+			return pref.ValueOfMessage(msg.ProtoReflect()), true, nil
 
+			// NOTE(wenchy): should not use ts.ProtoReflect(), as descriptor not same.
+			// See more details at internal/xproto/build_test.go#TestCloneWellknownTypes
+			// return pref.ValueOf(ts.ProtoReflect()), true, nil
 		case types.WellKnownMessageDuration:
 			if value == "" {
 				return DefaultDurationValue, false, nil
@@ -198,8 +236,15 @@ func ParseFieldValue(fd pref.FieldDescriptor, rawValue string, locationName stri
 			if err := du.CheckValid(); err != nil {
 				return DefaultDurationValue, true, xerrors.WrapKV(err)
 			}
-			return pref.ValueOf(du.ProtoReflect()), true, nil
+			md := fd.Message()
+			msg := dynamicpb.NewMessage(md)
+			msg.Set(md.Fields().ByName("seconds"), pref.ValueOfInt64(du.Seconds))
+			msg.Set(md.Fields().ByName("nanos"), pref.ValueOfInt32(du.Nanos))
+			return pref.ValueOfMessage(msg.ProtoReflect()), true, nil
 
+			// NOTE(wenchy): should not use du.ProtoReflect(), as descriptor not same.
+			// See more details at internal/xproto/build_test.go#TestCloneWellknownTypes
+			// return pref.ValueOf(du.ProtoReflect()), true, nil
 		default:
 			return pref.Value{}, false, xerrors.Errorf("not supported message type: %s", msgName)
 		}
@@ -211,6 +256,15 @@ func ParseFieldValue(fd pref.FieldDescriptor, rawValue string, locationName stri
 	}
 }
 
+func GetFieldDefaultValue(fd pref.FieldDescriptor) string {
+	opts := fd.Options().(*descriptorpb.FieldOptions)
+	fieldOpts := proto.GetExtension(opts, tableaupb.E_Field).(*tableaupb.FieldOptions)
+	if fieldOpts != nil && fieldOpts.Prop != nil {
+		return fieldOpts.Prop.Default
+	}
+	return ""
+}
+
 func parseEnumValue(fd pref.FieldDescriptor, rawValue string) (v pref.Value, present bool, err error) {
 	// default enum value
 	value := strings.TrimSpace(rawValue)
diff --git a/options/options.go b/options/options.go
index 5e0b557..691d456 100644
--- a/options/options.go
+++ b/options/options.go
@@ -251,10 +251,11 @@ type ConfOutputOption struct {
 	// UseEnumNumbers emits enum values as numbers.
 	UseEnumNumbers bool `yaml:"useEnumNumbers"`
 
-	// Specify dry run mode, available: patch.
+	// Specify dry run mode:
+	//  - patch: if sheet options are specified: Patch (PATCH_MERGE) and Scatter
 	//
 	// Default: "".
-	DryRun DryRun `yaml:"-"`
+	DryRun DryRun `yaml:"dryRun"`
 }
 
 type DryRun = string
diff --git a/proto/tableau/protobuf/metabook.proto b/proto/tableau/protobuf/metabook.proto
index 7f56357..c7862eb 100644
--- a/proto/tableau/protobuf/metabook.proto
+++ b/proto/tableau/protobuf/metabook.proto
@@ -1,6 +1,6 @@
 // Protoconf - Tableau's data interchange format
 // https://tableauio.github.io/
-
+// clang-format off
 syntax = "proto3";
 
 package tableau;
@@ -10,11 +10,7 @@ import "tableau/protobuf/tableau.proto";
 option go_package = "github.com/tableauio/tableau/proto/tableaupb";
 
 message Metabook {
-  option (tableau.worksheet) = {
-    name: "@TABLEAU"
-    namerow: 1
-    datarow: 2
-  };
+  option (tableau.worksheet) = {name:"@TABLEAU" namerow:1 datarow:2};
 
   map<string, Metasheet> metasheet_map = 1 [(tableau.field).key = "Sheet"];
 }
@@ -70,6 +66,10 @@ message Metasheet {
   bool optional = 19 [(tableau.field) = {name:"Optional" prop:{optional:true}}];
   // Sheet patch type.
   Patch patch = 20 [(tableau.field) = {name:"Patch" prop:{optional:true}}];
+  // confgen: export JSON/Bin/Text files with parent dir created.
+  bool with_parent_dir = 21 [(tableau.field) = {name:"WithParentDir" prop:{optional:true}}];
+  // confgen(scatter): export JSON/Bin/Text filenames without book name prefix.
+  bool scatter_without_book_name = 22 [(tableau.field) = {name:"ScatterWithoutBookName" prop:{optional:true}}];
 
   ////////// Loader related options below //////////
   // Generate ordered map accessers
diff --git a/proto/tableau/protobuf/tableau.proto b/proto/tableau/protobuf/tableau.proto
index ab06267..8da405c 100644
--- a/proto/tableau/protobuf/tableau.proto
+++ b/proto/tableau/protobuf/tableau.proto
@@ -43,7 +43,8 @@ extend google.protobuf.OneofOptions {
 }
 
 message WorkbookOptions {
-  string name = 1;  // Workbook name
+  string name = 1;   // filename with path, e.g.: "relative/path/BookName.suffix" (slash path)
+  string alias = 2;  // book alias without suffix, e.g.: "BookAlias"
 }
 
 message WorksheetOptions {
@@ -100,6 +101,8 @@ message WorksheetOptions {
   bool adjacent_key = 14;
   // In order to track field presence of basic types (numeric, string, bytes,
   // and enums), the generated field will be labeled "optional".
+  //
+  // See https://protobuf.dev/programming-guides/field_presence/
   bool field_presence = 15;
   // Indicate this XML sheet is a template or not. Template sheet structure will
   // only be parsed based on metasheet "@TABLEAU" in comments.
@@ -116,6 +119,10 @@ message WorksheetOptions {
   bool optional = 19;
   // Sheet patch type.
   Patch patch = 20;
+  // confgen: export JSON/Bin/Text files with parent dir created.
+  bool with_parent_dir = 21;
+  // confgen(scatter): export JSON/Bin/Text filenames without book name prefix.
+  bool scatter_without_book_name = 22;
 
   ////////// Loader related options below //////////
   // Generate OrderedMap accessers or not.
@@ -262,15 +269,23 @@ enum Form {
 // Patch type for both sheet-level and field-level.
 enum Patch {
   PATCH_NONE = 0;
-  // 1. For patch option in sheet-level: `replace` all fields' value
-  // 2. For patch option in field-level: `replace` specified field's value
+  // 1 Sheet-level patch option "PATCH_REPLACE"
+  //   - replace whole message
+  // 2 Top-field patch option "PATCH_REPLACE"
+  //   - list: Clear field firstly, and then all elements of this list field
+  //     in src are appended to the corresponded list fields in dst.
+  //   - map: Clear field firstly, and then all entries of this map field in src
+  //     are copied into the corresponding map field in dst.
   PATCH_REPLACE = 1;
-  // 1. For patch option in sheet-level:
-  //   1. top none-map field (field value):
-  //     - `replace`: if field present in both **main** and **patch** sheet
-  //   2. top map field patch (key-value pair):
-  //     - `add`: if key not exists in **main** sheet
-  //     - `replace`: if key exists in both **main** and **patch** sheet
-  // 2. For patch option in field-level: NOT supported yet!
+  // Merge src into dst, which must be a message with the same descriptor.
+  //  - scalar: Populated scalar fields in src are copied to dst.
+  //  - message: Populated singular messages in src are merged into dst by
+  //     recursively calling [proto.Merge](https://pkg.go.dev/google.golang.org/protobuf/proto#Merge).
+  //  - list: The elements of every list field in src are appended to the
+  //     corresponded list fields in dst.
+  //  - map: The entries of every map field in src are copied into the
+  //     corresponding map field in dst, possibly replacing existing entries.
+  //  - unknown: The unknown fields of src are appended to the unknown
+  //     fields of dst.
   PATCH_MERGE = 2;
 }
diff --git a/proto/tableau/protobuf/workbook.proto b/proto/tableau/protobuf/workbook.proto
index 2563fb4..f5c6895 100644
--- a/proto/tableau/protobuf/workbook.proto
+++ b/proto/tableau/protobuf/workbook.proto
@@ -10,11 +10,10 @@ option go_package = "github.com/tableauio/tableau/proto/tableaupb";
 import "tableau/protobuf/tableau.proto";
 
 message Workbook {
-  string name = 1; // e.g.: "relative/path/bookname"
-  string alias = 2;
-  WorkbookOptions options = 3;
-  repeated Worksheet worksheets = 4;
-  map<string, int32> imports = 5;  // imported proto files
+  string name = 1;  // book name without suffix
+  WorkbookOptions options = 2;
+  repeated Worksheet worksheets = 3;
+  map<string, int32> imports = 4;  // imported proto files
 }
 
 message Worksheet {
diff --git a/proto/tableaupb/metabook.pb.go b/proto/tableaupb/metabook.pb.go
index a4d265a..2f431ca 100644
--- a/proto/tableaupb/metabook.pb.go
+++ b/proto/tableaupb/metabook.pb.go
@@ -1,5 +1,6 @@
 // Protoconf - Tableau's data interchange format
 // https://tableauio.github.io/
+// clang-format off
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
@@ -125,6 +126,10 @@ type Metasheet struct {
 	Optional bool `protobuf:"varint,19,opt,name=optional,proto3" json:"optional,omitempty"`
 	// Sheet patch type.
 	Patch Patch `protobuf:"varint,20,opt,name=patch,proto3,enum=tableau.Patch" json:"patch,omitempty"`
+	// confgen: export JSON/Bin/Text files with parent dir created.
+	WithParentDir bool `protobuf:"varint,21,opt,name=with_parent_dir,json=withParentDir,proto3" json:"with_parent_dir,omitempty"`
+	// confgen(scatter): export JSON/Bin/Text filenames without book name prefix.
+	ScatterWithoutBookName bool `protobuf:"varint,22,opt,name=scatter_without_book_name,json=scatterWithoutBookName,proto3" json:"scatter_without_book_name,omitempty"`
 	// //////// Loader related options below //////////
 	// Generate ordered map accessers
 	OrderedMap bool `protobuf:"varint,50,opt,name=ordered_map,json=orderedMap,proto3" json:"ordered_map,omitempty"`
@@ -321,6 +326,20 @@ func (x *Metasheet) GetPatch() Patch {
 	return Patch_PATCH_NONE
 }
 
+func (x *Metasheet) GetWithParentDir() bool {
+	if x != nil {
+		return x.WithParentDir
+	}
+	return false
+}
+
+func (x *Metasheet) GetScatterWithoutBookName() bool {
+	if x != nil {
+		return x.ScatterWithoutBookName
+	}
+	return false
+}
+
 func (x *Metasheet) GetOrderedMap() bool {
 	if x != nil {
 		return x.OrderedMap
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 }
 
 var (
diff --git a/proto/tableaupb/tableau.pb.go b/proto/tableaupb/tableau.pb.go
index b212123..be75320 100644
--- a/proto/tableaupb/tableau.pb.go
+++ b/proto/tableaupb/tableau.pb.go
@@ -252,17 +252,25 @@ type Patch int32
 
 const (
 	Patch_PATCH_NONE Patch = 0
-	// 1. For patch option in sheet-level: `replace` all fields' value
-	// 2. For patch option in field-level: `replace` specified field's value
-	Patch_PATCH_REPLACE Patch = 1
-	// 1. For patch option in sheet-level:
-	//  1. top none-map field (field value):
-	//     - `replace`: if field present in both **main** and **patch** sheet
-	//  2. top map field patch (key-value pair):
-	//     - `add`: if key not exists in **main** sheet
-	//     - `replace`: if key exists in both **main** and **patch** sheet
+	// 1 Sheet-level patch option "PATCH_REPLACE"
+	//   - replace whole message
 	//
-	// 2. For patch option in field-level: NOT supported yet!
+	// 2 Top-field patch option "PATCH_REPLACE"
+	//   - list: Clear field firstly, and then all elements of this list field
+	//     in src are appended to the corresponded list fields in dst.
+	//   - map: Clear field firstly, and then all entries of this map field in src
+	//     are copied into the corresponding map field in dst.
+	Patch_PATCH_REPLACE Patch = 1
+	// Merge src into dst, which must be a message with the same descriptor.
+	//   - scalar: Populated scalar fields in src are copied to dst.
+	//   - message: Populated singular messages in src are merged into dst by
+	//     recursively calling [proto.Merge](https://pkg.go.dev/google.golang.org/protobuf/proto#Merge).
+	//   - list: The elements of every list field in src are appended to the
+	//     corresponded list fields in dst.
+	//   - map: The entries of every map field in src are copied into the
+	//     corresponding map field in dst, possibly replacing existing entries.
+	//   - unknown: The unknown fields of src are appended to the unknown
+	//     fields of dst.
 	Patch_PATCH_MERGE Patch = 2
 )
 
@@ -312,7 +320,8 @@ type WorkbookOptions struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"` // Workbook name
+	Name  string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`   // filename with path, e.g.: "relative/path/BookName.suffix" (slash path)
+	Alias string `protobuf:"bytes,2,opt,name=alias,proto3" json:"alias,omitempty"` // book alias without suffix, e.g.: "BookAlias"
 }
 
 func (x *WorkbookOptions) Reset() {
@@ -354,6 +363,13 @@ func (x *WorkbookOptions) GetName() string {
 	return ""
 }
 
+func (x *WorkbookOptions) GetAlias() string {
+	if x != nil {
+		return x.Alias
+	}
+	return ""
+}
+
 type WorksheetOptions struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -412,6 +428,8 @@ type WorksheetOptions struct {
 	AdjacentKey bool `protobuf:"varint,14,opt,name=adjacent_key,json=adjacentKey,proto3" json:"adjacent_key,omitempty"`
 	// In order to track field presence of basic types (numeric, string, bytes,
 	// and enums), the generated field will be labeled "optional".
+	//
+	// See https://protobuf.dev/programming-guides/field_presence/
 	FieldPresence bool `protobuf:"varint,15,opt,name=field_presence,json=fieldPresence,proto3" json:"field_presence,omitempty"`
 	// Indicate this XML sheet is a template or not. Template sheet structure will
 	// only be parsed based on metasheet "@TABLEAU" in comments.
@@ -428,6 +446,10 @@ type WorksheetOptions struct {
 	Optional bool `protobuf:"varint,19,opt,name=optional,proto3" json:"optional,omitempty"`
 	// Sheet patch type.
 	Patch Patch `protobuf:"varint,20,opt,name=patch,proto3,enum=tableau.Patch" json:"patch,omitempty"`
+	// confgen: export JSON/Bin/Text files with parent dir created.
+	WithParentDir bool `protobuf:"varint,21,opt,name=with_parent_dir,json=withParentDir,proto3" json:"with_parent_dir,omitempty"`
+	// confgen(scatter): export JSON/Bin/Text filenames without book name prefix.
+	ScatterWithoutBookName bool `protobuf:"varint,22,opt,name=scatter_without_book_name,json=scatterWithoutBookName,proto3" json:"scatter_without_book_name,omitempty"`
 	// //////// Loader related options below //////////
 	// Generate OrderedMap accessers or not.
 	OrderedMap bool `protobuf:"varint,50,opt,name=ordered_map,json=orderedMap,proto3" json:"ordered_map,omitempty"`
@@ -618,6 +640,20 @@ func (x *WorksheetOptions) GetPatch() Patch {
 	return Patch_PATCH_NONE
 }
 
+func (x *WorksheetOptions) GetWithParentDir() bool {
+	if x != nil {
+		return x.WithParentDir
+	}
+	return false
+}
+
+func (x *WorksheetOptions) GetScatterWithoutBookName() bool {
+	if x != nil {
+		return x.ScatterWithoutBookName
+	}
+	return false
+}
+
 func (x *WorksheetOptions) GetOrderedMap() bool {
 	if x != nil {
 		return x.OrderedMap
@@ -1163,162 +1199,170 @@ var file_tableau_protobuf_tableau_proto_rawDesc = []byte{
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 }
 
 var (
diff --git a/proto/tableaupb/workbook.pb.go b/proto/tableaupb/workbook.pb.go
index a4adebe..ee951c9 100644
--- a/proto/tableaupb/workbook.pb.go
+++ b/proto/tableaupb/workbook.pb.go
@@ -28,11 +28,10 @@ type Workbook struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Name       string           `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"` // e.g.: "relative/path/bookname"
-	Alias      string           `protobuf:"bytes,2,opt,name=alias,proto3" json:"alias,omitempty"`
-	Options    *WorkbookOptions `protobuf:"bytes,3,opt,name=options,proto3" json:"options,omitempty"`
-	Worksheets []*Worksheet     `protobuf:"bytes,4,rep,name=worksheets,proto3" json:"worksheets,omitempty"`
-	Imports    map[string]int32 `protobuf:"bytes,5,rep,name=imports,proto3" json:"imports,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"varint,2,opt,name=value,proto3"` // imported proto files
+	Name       string           `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"` // book name without suffix
+	Options    *WorkbookOptions `protobuf:"bytes,2,opt,name=options,proto3" json:"options,omitempty"`
+	Worksheets []*Worksheet     `protobuf:"bytes,3,rep,name=worksheets,proto3" json:"worksheets,omitempty"`
+	Imports    map[string]int32 `protobuf:"bytes,4,rep,name=imports,proto3" json:"imports,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"varint,2,opt,name=value,proto3"` // imported proto files
 }
 
 func (x *Workbook) Reset() {
@@ -74,13 +73,6 @@ func (x *Workbook) GetName() string {
 	return ""
 }
 
-func (x *Workbook) GetAlias() string {
-	if x != nil {
-		return x.Alias
-	}
-	return ""
-}
-
 func (x *Workbook) GetOptions() *WorkbookOptions {
 	if x != nil {
 		return x.Options
@@ -417,70 +409,69 @@ var file_tableau_protobuf_workbook_proto_rawDesc = []byte{
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+	0x26, 0x0a, 0x06, 0x66, 0x69, 0x65, 0x6c, 0x64, 0x73, 0x18, 0x03, 0x20, 0x03, 0x28, 0x0b, 0x32,
+	0x0e, 0x2e, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x61, 0x75, 0x2e, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x52,
+	0x06, 0x66, 0x69, 0x65, 0x6c, 0x64, 0x73, 0x22, 0xa0, 0x04, 0x0a, 0x05, 0x46, 0x69, 0x65, 0x6c,
+	0x64, 0x12, 0x16, 0x0a, 0x06, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28,
+	0x05, 0x52, 0x06, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d,
+	0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x14, 0x0a,
+	0x05, 0x61, 0x6c, 0x69, 0x61, 0x73, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x61, 0x6c,
+	0x69, 0x61, 0x73, 0x12, 0x12, 0x0a, 0x04, 0x74, 0x79, 0x70, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28,
+	0x09, 0x52, 0x04, 0x74, 0x79, 0x70, 0x65, 0x12, 0x1b, 0x0a, 0x09, 0x66, 0x75, 0x6c, 0x6c, 0x5f,
+	0x74, 0x79, 0x70, 0x65, 0x18, 0x05, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08, 0x66, 0x75, 0x6c, 0x6c,
+	0x54, 0x79, 0x70, 0x65, 0x12, 0x37, 0x0a, 0x0a, 0x6c, 0x69, 0x73, 0x74, 0x5f, 0x65, 0x6e, 0x74,
+	0x72, 0x79, 0x18, 0x06, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x18, 0x2e, 0x74, 0x61, 0x62, 0x6c, 0x65,
+	0x61, 0x75, 0x2e, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x2e, 0x4c, 0x69, 0x73, 0x74, 0x45, 0x6e, 0x74,
+	0x72, 0x79, 0x52, 0x09, 0x6c, 0x69, 0x73, 0x74, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x34, 0x0a,
+	0x09, 0x6d, 0x61, 0x70, 0x5f, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x18, 0x07, 0x20, 0x01, 0x28, 0x0b,
+	0x32, 0x17, 0x2e, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x61, 0x75, 0x2e, 0x46, 0x69, 0x65, 0x6c, 0x64,
+	0x2e, 0x4d, 0x61, 0x70, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x52, 0x08, 0x6d, 0x61, 0x70, 0x45, 0x6e,
+	0x74, 0x72, 0x79, 0x12, 0x1e, 0x0a, 0x0a, 0x70, 0x72, 0x65, 0x64, 0x65, 0x66, 0x69, 0x6e, 0x65,
+	0x64, 0x18, 0x08, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0a, 0x70, 0x72, 0x65, 0x64, 0x65, 0x66, 0x69,
+	0x6e, 0x65, 0x64, 0x12, 0x2f, 0x0a, 0x07, 0x6f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0x09,
+	0x20, 0x01, 0x28, 0x0b, 0x32, 0x15, 0x2e, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x61, 0x75, 0x2e, 0x46,
+	0x69, 0x65, 0x6c, 0x64, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x52, 0x07, 0x6f, 0x70, 0x74,
+	0x69, 0x6f, 0x6e, 0x73, 0x12, 0x26, 0x0a, 0x06, 0x66, 0x69, 0x65, 0x6c, 0x64, 0x73, 0x18, 0x0a,
+	0x20, 0x03, 0x28, 0x0b, 0x32, 0x0e, 0x2e, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x61, 0x75, 0x2e, 0x46,
+	0x69, 0x65, 0x6c, 0x64, 0x52, 0x06, 0x66, 0x69, 0x65, 0x6c, 0x64, 0x73, 0x1a, 0x4e, 0x0a, 0x09,
+	0x4c, 0x69, 0x73, 0x74, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x1b, 0x0a, 0x09, 0x65, 0x6c, 0x65,
+	0x6d, 0x5f, 0x74, 0x79, 0x70, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08, 0x65, 0x6c,
+	0x65, 0x6d, 0x54, 0x79, 0x70, 0x65, 0x12, 0x24, 0x0a, 0x0e, 0x65, 0x6c, 0x65, 0x6d, 0x5f, 0x66,
+	0x75, 0x6c, 0x6c, 0x5f, 0x74, 0x79, 0x70, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0c,
+	0x65, 0x6c, 0x65, 0x6d, 0x46, 0x75, 0x6c, 0x6c, 0x54, 0x79, 0x70, 0x65, 0x1a, 0x6c, 0x0a, 0x08,
+	0x4d, 0x61, 0x70, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x19, 0x0a, 0x08, 0x6b, 0x65, 0x79, 0x5f,
+	0x74, 0x79, 0x70, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6b, 0x65, 0x79, 0x54,
+	0x79, 0x70, 0x65, 0x12, 0x1d, 0x0a, 0x0a, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x5f, 0x74, 0x79, 0x70,
+	0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x54, 0x79,
+	0x70, 0x65, 0x12, 0x26, 0x0a, 0x0f, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x5f, 0x66, 0x75, 0x6c, 0x6c,
+	0x5f, 0x74, 0x79, 0x70, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0d, 0x76, 0x61, 0x6c,
+	0x75, 0x65, 0x46, 0x75, 0x6c, 0x6c, 0x54, 0x79, 0x70, 0x65, 0x42, 0x2e, 0x5a, 0x2c, 0x67, 0x69,
+	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x61, 0x75,
+	0x69, 0x6f, 0x2f, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x61, 0x75, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x2f, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x61, 0x75, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x33,
 }
 
 var (
diff --git a/store/store.go b/store/store.go
index 8f7fd79..d640034 100644
--- a/store/store.go
+++ b/store/store.go
@@ -55,13 +55,13 @@ func Store(msg proto.Message, dir string, fmt format.Format, options ...Option)
 		return errors.Errorf("unknown output format: %v", fmt)
 	}
 
-	// prepare output dir
-	if err := os.MkdirAll(dir, 0700); err != nil {
-		return xerrors.Errorf(`create output dir "%s" failed: %s`, dir, err)
+	fpath := filepath.Join(dir, filename)
+	// prepare dir
+	if err := os.MkdirAll(filepath.Dir(fpath), 0700); err != nil {
+		return xerrors.WrapKV(err, `failed to create dir "%s"`, filepath.Dir(fpath))
 	}
 
 	// write file
-	fpath := filepath.Join(dir, filename)
 	err = os.WriteFile(fpath, out, 0644)
 	if err != nil {
 		return xerrors.Errorf(`write file "%s" failed: %s`, fpath, err)
diff --git a/xerrors/desc.go b/xerrors/desc.go
index ca7aeae..acee09c 100644
--- a/xerrors/desc.go
+++ b/xerrors/desc.go
@@ -86,6 +86,9 @@ type Desc struct {
 }
 
 func NewDesc(err error) *Desc {
+	if err == nil {
+		return nil
+	}
 	desc := &Desc{
 		err:    err,
 		fields: map[string]any{},
@@ -119,6 +122,9 @@ func (d *Desc) ErrCode() string {
 
 // String render description in specified language.
 func (d *Desc) String() string {
+	if d.err == nil {
+		return ""
+	}
 	if d.fields[keyReason] == nil {
 		return d.err.Error()
 	}


Test patch:
diff --git a/internal/fs/util_test.go b/internal/fs/util_test.go
index 3899307..672d2f5 100644
--- a/internal/fs/util_test.go
+++ b/internal/fs/util_test.go
@@ -171,7 +171,7 @@ func TestHasSubdirPrefix(t *testing.T) {
 
 func TestRewriteSubdir(t *testing.T) {
 	type args struct {
-		path       string
+		path           string
 		subdirRewrites map[string]string
 	}
 	tests := []struct {
@@ -241,3 +241,36 @@ func TestRangeFilesByFormat(t *testing.T) {
 		})
 	}
 }
+
+func TestGetDirectParentDirName(t *testing.T) {
+	type args struct {
+		path string
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "found",
+			args: args{
+				path: "/path/to/file.txt",
+			},
+			want: "to",
+		},
+		{
+			name: "not-found",
+			args: args{
+				path: "file.txt",
+			},
+			want: "",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := GetDirectParentDirName(tt.args.path); got != tt.want {
+				t.Errorf("GetDirectParentDirName() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
diff --git a/internal/importer/testdata/Test.xml b/internal/importer/testdata/Test.xml
index e1216b4..84ded0c 100644
--- a/internal/importer/testdata/Test.xml
+++ b/internal/importer/testdata/Test.xml
@@ -12,5 +12,14 @@
     <CrossCell Value="[CrossCell]int32" Name="string" Cost="[]int32" />
     <Incell Value="[]int32" Cost="[]int32" />
     <EnumIncell>[]enum<.FruitType></EnumIncell>
+    <ScalarList>[int32]</ScalarList>
+    <Predefined @type="[.Item]"/>
+    <Struct ID="uint32" Name="string" />
+    <StructWithTypeName ID="{CustomStruct}uint32" Name="string" />
+    <IncellStruct>{uint32 ID, int32 Num}IncellStruct</IncellStruct>
+    <PredefinedIncellStruct>{.Vector3}</PredefinedIncellStruct>
+    <PredefinedUnion @type="{union.Target}" />
+    <PredefinedIncellUnion>{union.Target}|{form:FORM_TEXT}</PredefinedIncellUnion>
+    <Union @type="[union.Target]" />
 </Item>
 -->
diff --git a/internal/importer/testdata/TestTemplate.yaml b/internal/importer/testdata/TestTemplate.yaml
index d889f48..20c753c 100644
--- a/internal/importer/testdata/TestTemplate.yaml
+++ b/internal/importer/testdata/TestTemplate.yaml
@@ -1,5 +1,7 @@
 ---
 "@sheet": "@TABLEAU"
+"#": 
+  Alias: BookAlias
 ServiceConf:
   Template: true
 ---
diff --git a/internal/importer/yaml_test.go b/internal/importer/yaml_test.go
index 5348d15..03f64a7 100644
--- a/internal/importer/yaml_test.go
+++ b/internal/importer/yaml_test.go
@@ -53,6 +53,7 @@ type TestSheetParser struct {
 }
 
 func (p *TestSheetParser) Parse(protomsg proto.Message, sheet *book.Sheet) error {
+	fmt.Println("no-op: TestSheetParser for only test")
 	return nil
 }
 
diff --git a/internal/xproto/build_test.go b/internal/xproto/build_test.go
index e7220f6..3d402ab 100644
--- a/internal/xproto/build_test.go
+++ b/internal/xproto/build_test.go
@@ -3,13 +3,17 @@ package xproto
 import (
 	"reflect"
 	"testing"
+	"time"
 
 	"github.com/jhump/protoreflect/desc"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 	"github.com/tableauio/tableau/internal/types"
-	_ "github.com/tableauio/tableau/proto/tableaupb/unittestpb"
+	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/reflect/protoreflect"
 	"google.golang.org/protobuf/reflect/protoregistry"
+	"google.golang.org/protobuf/types/dynamicpb"
+	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
 func TestParseProtos(t *testing.T) {
@@ -250,3 +254,53 @@ func TestTypeInfos_Get(t *testing.T) {
 		})
 	}
 }
+
+func TestCloneWellknownTypes(t *testing.T) {
+	importPaths := []string{
+		"../../proto", // tableau
+	}
+	filenames := []string{
+		"tableau/protobuf/unittest/unittest.proto",
+	}
+	files, err := ParseProtos(importPaths, filenames...)
+	if err != nil {
+		t.Errorf("parseProtos() error = %v", err)
+	}
+	// t.Logf("parsed proto files: %+v", files)
+	// timestampDesc, err := files.FindDescriptorByName(protoreflect.FullName("google.protobuf.Timestamp"))
+	timestampDesc, err := files.FindDescriptorByName(protoreflect.FullName("unittest.PatchMergeConf.Time"))
+	require.NoError(t, err)
+
+	// Assert to MessageDescriptor
+	md := timestampDesc.(protoreflect.MessageDescriptor)
+
+	generatedTsMd := timestamppb.New(time.Now()).ProtoReflect().Descriptor()
+	// Create a new dynamic message
+	protomsg := dynamicpb.NewMessage(md)
+
+	// Set the seconds and nanos fields for the Timestamp
+	now := time.Now()
+	seconds := now.Unix()
+	nanos := int32(now.Nanosecond())
+	tsFd := md.Fields().ByName("start")
+	dynamicTsMd := tsFd.Message()
+	tsMsg := protomsg.Mutable(tsFd).Message()
+	// Set the fields using reflection
+	tsMsg.Set(dynamicTsMd.Fields().ByName("seconds"), protoreflect.ValueOf(seconds))
+	tsMsg.Set(dynamicTsMd.Fields().ByName("nanos"), protoreflect.ValueOf(nanos))
+	if generatedTsMd != dynamicTsMd {
+		t.Logf("WARNING: timestamp descriptors from timestamppb.New() and dynamically generated by protoparse are not equal")
+	}
+	clonedMsg1 := proto.Clone(protomsg)
+	t.Logf("clonedMsg: %v", clonedMsg1)
+
+	// generated descriptor from [timestamp.pb.go](https://github.com/protocolbuffers/protobuf-go/blob/master/types/known/timestamppb/timestamp.pb.go)
+	ts := timestamppb.New(time.Now())
+	if generatedTsMd != ts.ProtoReflect().Descriptor() {
+		t.Fatalf("timestamp descriptors both from timestamppb.New() should be equal")
+	}
+	protomsg.Set(tsFd, protoreflect.ValueOf(ts.ProtoReflect()))
+	// will panic because proto.Clone use descriptor dynamically generated by protoparse
+	// panic: proto: google.protobuf.Timestamp.seconds: field descriptor does not belong to this message
+	// proto.Clone(protomsg)
+}
diff --git a/load/load_test.go b/load/load_test.go
index aee994c..c05e03d 100644
--- a/load/load_test.go
+++ b/load/load_test.go
@@ -263,7 +263,7 @@ func TestLoadWithPatch(t *testing.T) {
 				fmt:     format.JSON,
 				options: []Option{PatchDir("../testdata/unittest/patchconf/")},
 			},
-			wantJson: `{"name":"orange", "priceList":[10, 100, 20, 200], "replacePriceList":[20, 200], "itemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}, "replaceItemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}}`,
+			wantJson: `{"name":"orange", "time": {"start": "2024-10-01T02:10:10Z","expiry": "7200s"}, "priceList":[10, 100, 20, 200], "replacePriceList":[20, 200], "itemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}, "replaceItemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}}`,
 		},
 		{
 			name: "PatchPaths-merge-none-map",
@@ -273,7 +273,7 @@ func TestLoadWithPatch(t *testing.T) {
 				fmt:     format.JSON,
 				options: []Option{PatchPaths(map[string]string{"PatchMergeConf": "../testdata/unittest/patchconf/PatchMergeConf.json"})},
 			},
-			wantJson: `{"name":"orange", "priceList":[10, 100, 20, 200], "replacePriceList":[20, 200], "itemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}, "replaceItemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}}`,
+			wantJson: `{"name":"orange", "time": {"start": "2024-10-01T02:10:10Z","expiry": "7200s"}, "priceList":[10, 100, 20, 200], "replacePriceList":[20, 200], "itemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}, "replaceItemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}}`,
 		},
 		{
 			name: "PatchPaths-with-PatchDir-merge-none-map",
@@ -283,7 +283,7 @@ func TestLoadWithPatch(t *testing.T) {
 				fmt:     format.JSON,
 				options: []Option{PatchPaths(map[string]string{"PatchMergeConf": "../testdata/unittest/patchconf/PatchMergeConf.json"}), PatchDir("../testdata/unittest/patchconf2/")},
 			},
-			wantJson: `{"name":"orange", "priceList":[10, 100, 20, 200], "replacePriceList":[20, 200], "itemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}, "replaceItemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}}`,
+			wantJson: `{"name":"orange", "time": {"start": "2024-10-01T02:10:10Z","expiry": "7200s"}, "priceList":[10, 100, 20, 200], "replacePriceList":[20, 200], "itemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}, "replaceItemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}}`,
 		},
 		{
 			name: "PatchDir-merge-map",
@@ -293,7 +293,7 @@ func TestLoadWithPatch(t *testing.T) {
 				fmt:     format.JSON,
 				options: []Option{PatchDir("../testdata/unittest/patchconf2/")},
 			},
-			wantJson: `{"name":"apple", "priceList":[10, 100], "replacePriceList":[10, 100], "itemMap":{"1":{"id":1, "num":99}, "2":{"id":2, "num":20}, "999":{"id":999, "num":99900}}, "replaceItemMap":{"1":{"id":1, "num":99}, "999":{"id":999, "num":99900}}}`,
+			wantJson: `{"name":"apple", "time": {"start": "2024-10-01T02:10:10Z","expiry": "3600s"}, "priceList":[10, 100], "replacePriceList":[10, 100], "itemMap":{"1":{"id":1, "num":99}, "2":{"id":2, "num":20}, "999":{"id":999, "num":99900}}, "replaceItemMap":{"1":{"id":1, "num":99}, "999":{"id":999, "num":99900}}}`,
 		},
 		{
 			name: "PatchPaths-different-format-merge-map",
@@ -303,7 +303,7 @@ func TestLoadWithPatch(t *testing.T) {
 				fmt:     format.JSON,
 				options: []Option{PatchPaths(map[string]string{"PatchMergeConf": "../testdata/unittest/patchconf2/PatchMergeConf.txt"})},
 			},
-			wantJson: `{"name":"apple", "priceList":[10, 100], "replacePriceList":[10, 100], "itemMap":{"1":{"id":1, "num":99}, "2":{"id":2, "num":20}, "999":{"id":999, "num":99900}}, "replaceItemMap":{"1":{"id":1, "num":99}, "999":{"id":999, "num":99900}}}`,
+			wantJson: `{"name":"apple", "time": {"start": "2024-10-01T02:10:10Z","expiry": "3600s"}, "priceList":[10, 100], "replacePriceList":[10, 100], "itemMap":{"1":{"id":1, "num":99}, "2":{"id":2, "num":20}, "999":{"id":999, "num":99900}}, "replaceItemMap":{"1":{"id":1, "num":99}, "999":{"id":999, "num":99900}}}`,
 		},
 		{
 			name: "PatchDir-merge-not-existed",
@@ -313,7 +313,7 @@ func TestLoadWithPatch(t *testing.T) {
 				fmt:     format.JSON,
 				options: []Option{PatchDir("../testdata/unittest/not-existed/")},
 			},
-			wantJson: `{"name":"apple", "priceList":[10, 100], "replacePriceList":[10, 100], "itemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}, "replaceItemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}}`,
+			wantJson: `{"name":"apple", "time": {"start": "2024-10-01T02:10:10Z","expiry": "3600s"}, "priceList":[10, 100], "replacePriceList":[10, 100], "itemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}, "replaceItemMap":{"1":{"id":1, "num":10}, "2":{"id":2, "num":20}}}`,
 		},
 	}
 	for _, tt := range tests {
diff --git a/proto/tableau/protobuf/unittest/unittest.proto b/proto/tableau/protobuf/unittest/unittest.proto
index 55f59aa..1eb6fbe 100644
--- a/proto/tableau/protobuf/unittest/unittest.proto
+++ b/proto/tableau/protobuf/unittest/unittest.proto
@@ -7,6 +7,8 @@ package unittest;
 option go_package = "github.com/tableauio/tableau/proto/tableaupb/unittestpb";
 option (tableau.workbook) = {name: "unittest/Unittest#*.csv"};
 
+import "google/protobuf/duration.proto";
+import "google/protobuf/timestamp.proto";
 import "tableau/protobuf/tableau.proto";
 import "tableau/protobuf/unittest/common.proto";
 
@@ -89,8 +91,13 @@ message PatchMergeConf {
   option (tableau.worksheet) = {name:"PatchMergeConf" namerow:1 typerow:2 noterow:3 datarow:4 patch:PATCH_MERGE};
   
   string name = 1 [(tableau.field) = {name:"Name" }];
-  repeated int32 price_list = 2 [(tableau.field) = {name:"Price" layout:LAYOUT_INCELL }];
-  repeated int32 replace_price_list = 3 [(tableau.field) = {name:"ReplacePrice" layout:LAYOUT_INCELL prop:{patch:PATCH_REPLACE}}];
-  map<uint32, unittest.Item> item_map = 4 [(tableau.field) = {name:"Item" key:"ID" layout:LAYOUT_HORIZONTAL}];
-  map<uint32, unittest.Item> replace_item_map = 5 [(tableau.field) = {name:"ReplaceItem" key:"ID" layout:LAYOUT_HORIZONTAL prop:{patch:PATCH_REPLACE}}];
+  Time time = 2 [(tableau.field) = {name:"Time"}];
+  message Time {
+    google.protobuf.Timestamp start = 1 [(tableau.field) = {name:"Start"}];
+    google.protobuf.Duration expiry = 2 [(tableau.field) = {name:"Expiry"}];
+  }
+  repeated int32 price_list = 3 [(tableau.field) = {name:"Price" layout:LAYOUT_INCELL }];
+  repeated int32 replace_price_list = 4 [(tableau.field) = {name:"ReplacePrice" layout:LAYOUT_INCELL prop:{patch:PATCH_REPLACE}}];
+  map<uint32, unittest.Item> item_map = 5 [(tableau.field) = {name:"Item" key:"ID" layout:LAYOUT_HORIZONTAL}];
+  map<uint32, unittest.Item> replace_item_map = 6 [(tableau.field) = {name:"ReplaceItem" key:"ID" layout:LAYOUT_HORIZONTAL prop:{patch:PATCH_REPLACE}}];
 }
diff --git a/proto/tableaupb/unittestpb/unittest.pb.go b/proto/tableaupb/unittestpb/unittest.pb.go
index 0b691eb..c87d561 100644
--- a/proto/tableaupb/unittestpb/unittest.pb.go
+++ b/proto/tableaupb/unittestpb/unittest.pb.go
@@ -12,6 +12,8 @@ import (
 	_ "github.com/tableauio/tableau/proto/tableaupb"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
 	reflect "reflect"
 	sync "sync"
 )
@@ -461,11 +463,12 @@ type PatchMergeConf struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Name             string           `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-	PriceList        []int32          `protobuf:"varint,2,rep,packed,name=price_list,json=priceList,proto3" json:"price_list,omitempty"`
-	ReplacePriceList []int32          `protobuf:"varint,3,rep,packed,name=replace_price_list,json=replacePriceList,proto3" json:"replace_price_list,omitempty"`
-	ItemMap          map[uint32]*Item `protobuf:"bytes,4,rep,name=item_map,json=itemMap,proto3" json:"item_map,omitempty" protobuf_key:"varint,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	ReplaceItemMap   map[uint32]*Item `protobuf:"bytes,5,rep,name=replace_item_map,json=replaceItemMap,proto3" json:"replace_item_map,omitempty" protobuf_key:"varint,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	Name             string               `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Time             *PatchMergeConf_Time `protobuf:"bytes,2,opt,name=time,proto3" json:"time,omitempty"`
+	PriceList        []int32              `protobuf:"varint,3,rep,packed,name=price_list,json=priceList,proto3" json:"price_list,omitempty"`
+	ReplacePriceList []int32              `protobuf:"varint,4,rep,packed,name=replace_price_list,json=replacePriceList,proto3" json:"replace_price_list,omitempty"`
+	ItemMap          map[uint32]*Item     `protobuf:"bytes,5,rep,name=item_map,json=itemMap,proto3" json:"item_map,omitempty" protobuf_key:"varint,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	ReplaceItemMap   map[uint32]*Item     `protobuf:"bytes,6,rep,name=replace_item_map,json=replaceItemMap,proto3" json:"replace_item_map,omitempty" protobuf_key:"varint,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 }
 
 func (x *PatchMergeConf) Reset() {
@@ -507,6 +510,13 @@ func (x *PatchMergeConf) GetName() string {
 	return ""
 }
 
+func (x *PatchMergeConf) GetTime() *PatchMergeConf_Time {
+	if x != nil {
+		return x.Time
+	}
+	return nil
+}
+
 func (x *PatchMergeConf) GetPriceList() []int32 {
 	if x != nil {
 		return x.PriceList
@@ -810,220 +820,292 @@ func (x *RewardConf_Reward) GetItemMap() map[uint32]*Item {
 	return nil
 }
 
+type PatchMergeConf_Time struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Start  *timestamppb.Timestamp `protobuf:"bytes,1,opt,name=start,proto3" json:"start,omitempty"`
+	Expiry *durationpb.Duration   `protobuf:"bytes,2,opt,name=expiry,proto3" json:"expiry,omitempty"`
+}
+
+func (x *PatchMergeConf_Time) Reset() {
+	*x = PatchMergeConf_Time{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_tableau_protobuf_unittest_unittest_proto_msgTypes[21]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PatchMergeConf_Time) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PatchMergeConf_Time) ProtoMessage() {}
+
+func (x *PatchMergeConf_Time) ProtoReflect() protoreflect.Message {
+	mi := &file_tableau_protobuf_unittest_unittest_proto_msgTypes[21]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PatchMergeConf_Time.ProtoReflect.Descriptor instead.
+func (*PatchMergeConf_Time) Descriptor() ([]byte, []int) {
+	return file_tableau_protobuf_unittest_unittest_proto_rawDescGZIP(), []int{7, 0}
+}
+
+func (x *PatchMergeConf_Time) GetStart() *timestamppb.Timestamp {
+	if x != nil {
+		return x.Start
+	}
+	return nil
+}
+
+func (x *PatchMergeConf_Time) GetExpiry() *durationpb.Duration {
+	if x != nil {
+		return x.Expiry
+	}
+	return nil
+}
+
 var File_tableau_protobuf_unittest_unittest_proto protoreflect.FileDescriptor
 
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+	0x75, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x61, 0x75, 0x70,
+	0x62, 0x2f, 0x75, 0x6e, 0x69, 0x74, 0x74, 0x65, 0x73, 0x74, 0x70, 0x62, 0x82, 0xb5, 0x18, 0x19,
+	0x0a, 0x17, 0x75, 0x6e, 0x69, 0x74, 0x74, 0x65, 0x73, 0x74, 0x2f, 0x55, 0x6e, 0x69, 0x74, 0x74,
+	0x65, 0x73, 0x74, 0x23, 0x2a, 0x2e, 0x63, 0x73, 0x76, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
 }
 
 var (
@@ -1038,66 +1120,72 @@ func file_tableau_protobuf_unittest_unittest_proto_rawDescGZIP() []byte {
 	return file_tableau_protobuf_unittest_unittest_proto_rawDescData
 }
 
-var file_tableau_protobuf_unittest_unittest_proto_msgTypes = make([]protoimpl.MessageInfo, 23)
+var file_tableau_protobuf_unittest_unittest_proto_msgTypes = make([]protoimpl.MessageInfo, 24)
 var file_tableau_protobuf_unittest_unittest_proto_goTypes = []interface{}{
-	(*IncellMap)(nil),           // 0: unittest.IncellMap
-	(*IncellList)(nil),          // 1: unittest.IncellList
-	(*ItemConf)(nil),            // 2: unittest.ItemConf
-	(*MallConf)(nil),            // 3: unittest.MallConf
-	(*RewardConf)(nil),          // 4: unittest.RewardConf
-	(*YamlScalarConf)(nil),      // 5: unittest.YamlScalarConf
-	(*PatchReplaceConf)(nil),    // 6: unittest.PatchReplaceConf
-	(*PatchMergeConf)(nil),      // 7: unittest.PatchMergeConf
-	nil,                         // 8: unittest.IncellMap.FruitMapEntry
-	(*IncellMap_Fruit)(nil),     // 9: unittest.IncellMap.Fruit
-	nil,                         // 10: unittest.IncellMap.FlavorMapEntry
-	nil,                         // 11: unittest.IncellMap.ItemMapEntry
-	(*IncellMap_Item)(nil),      // 12: unittest.IncellMap.Item
-	nil,                         // 13: unittest.ItemConf.ItemMapEntry
-	nil,                         // 14: unittest.MallConf.ShopMapEntry
-	(*MallConf_Shop)(nil),       // 15: unittest.MallConf.Shop
-	nil,                         // 16: unittest.MallConf.Shop.GoodsMapEntry
-	(*MallConf_Shop_Goods)(nil), // 17: unittest.MallConf.Shop.Goods
-	nil,                         // 18: unittest.RewardConf.RewardMapEntry
-	(*RewardConf_Reward)(nil),   // 19: unittest.RewardConf.Reward
-	nil,                         // 20: unittest.RewardConf.Reward.ItemMapEntry
-	nil,                         // 21: unittest.PatchMergeConf.ItemMapEntry
-	nil,                         // 22: unittest.PatchMergeConf.ReplaceItemMapEntry
-	(FruitFlavor)(0),            // 23: unittest.FruitFlavor
-	(*Item)(nil),                // 24: unittest.Item
-	(FruitType)(0),              // 25: unittest.FruitType
+	(*IncellMap)(nil),             // 0: unittest.IncellMap
+	(*IncellList)(nil),            // 1: unittest.IncellList
+	(*ItemConf)(nil),              // 2: unittest.ItemConf
+	(*MallConf)(nil),              // 3: unittest.MallConf
+	(*RewardConf)(nil),            // 4: unittest.RewardConf
+	(*YamlScalarConf)(nil),        // 5: unittest.YamlScalarConf
+	(*PatchReplaceConf)(nil),      // 6: unittest.PatchReplaceConf
+	(*PatchMergeConf)(nil),        // 7: unittest.PatchMergeConf
+	nil,                           // 8: unittest.IncellMap.FruitMapEntry
+	(*IncellMap_Fruit)(nil),       // 9: unittest.IncellMap.Fruit
+	nil,                           // 10: unittest.IncellMap.FlavorMapEntry
+	nil,                           // 11: unittest.IncellMap.ItemMapEntry
+	(*IncellMap_Item)(nil),        // 12: unittest.IncellMap.Item
+	nil,                           // 13: unittest.ItemConf.ItemMapEntry
+	nil,                           // 14: unittest.MallConf.ShopMapEntry
+	(*MallConf_Shop)(nil),         // 15: unittest.MallConf.Shop
+	nil,                           // 16: unittest.MallConf.Shop.GoodsMapEntry
+	(*MallConf_Shop_Goods)(nil),   // 17: unittest.MallConf.Shop.Goods
+	nil,                           // 18: unittest.RewardConf.RewardMapEntry
+	(*RewardConf_Reward)(nil),     // 19: unittest.RewardConf.Reward
+	nil,                           // 20: unittest.RewardConf.Reward.ItemMapEntry
+	(*PatchMergeConf_Time)(nil),   // 21: unittest.PatchMergeConf.Time
+	nil,                           // 22: unittest.PatchMergeConf.ItemMapEntry
+	nil,                           // 23: unittest.PatchMergeConf.ReplaceItemMapEntry
+	(FruitFlavor)(0),              // 24: unittest.FruitFlavor
+	(*Item)(nil),                  // 25: unittest.Item
+	(FruitType)(0),                // 26: unittest.FruitType
+	(*timestamppb.Timestamp)(nil), // 27: google.protobuf.Timestamp
+	(*durationpb.Duration)(nil),   // 28: google.protobuf.Duration
 }
 var file_tableau_protobuf_unittest_unittest_proto_depIdxs = []int32{
 	8,  // 0: unittest.IncellMap.fruit_map:type_name -> unittest.IncellMap.FruitMapEntry
 	10, // 1: unittest.IncellMap.flavor_map:type_name -> unittest.IncellMap.FlavorMapEntry
 	11, // 2: unittest.IncellMap.item_map:type_name -> unittest.IncellMap.ItemMapEntry
-	23, // 3: unittest.IncellList.flavor_list:type_name -> unittest.FruitFlavor
-	24, // 4: unittest.IncellList.item_list:type_name -> unittest.Item
+	24, // 3: unittest.IncellList.flavor_list:type_name -> unittest.FruitFlavor
+	25, // 4: unittest.IncellList.item_list:type_name -> unittest.Item
 	13, // 5: unittest.ItemConf.item_map:type_name -> unittest.ItemConf.ItemMapEntry
 	14, // 6: unittest.MallConf.shop_map:type_name -> unittest.MallConf.ShopMapEntry
 	18, // 7: unittest.RewardConf.reward_map:type_name -> unittest.RewardConf.RewardMapEntry
-	21, // 8: unittest.PatchMergeConf.item_map:type_name -> unittest.PatchMergeConf.ItemMapEntry
-	22, // 9: unittest.PatchMergeConf.replace_item_map:type_name -> unittest.PatchMergeConf.ReplaceItemMapEntry
-	9,  // 10: unittest.IncellMap.FruitMapEntry.value:type_name -> unittest.IncellMap.Fruit
-	25, // 11: unittest.IncellMap.Fruit.key:type_name -> unittest.FruitType
-	23, // 12: unittest.IncellMap.FlavorMapEntry.value:type_name -> unittest.FruitFlavor
-	12, // 13: unittest.IncellMap.ItemMapEntry.value:type_name -> unittest.IncellMap.Item
-	25, // 14: unittest.IncellMap.Item.key:type_name -> unittest.FruitType
-	23, // 15: unittest.IncellMap.Item.value:type_name -> unittest.FruitFlavor
-	24, // 16: unittest.ItemConf.ItemMapEntry.value:type_name -> unittest.Item
-	15, // 17: unittest.MallConf.ShopMapEntry.value:type_name -> unittest.MallConf.Shop
-	16, // 18: unittest.MallConf.Shop.goods_map:type_name -> unittest.MallConf.Shop.GoodsMapEntry
-	17, // 19: unittest.MallConf.Shop.GoodsMapEntry.value:type_name -> unittest.MallConf.Shop.Goods
-	19, // 20: unittest.RewardConf.RewardMapEntry.value:type_name -> unittest.RewardConf.Reward
-	20, // 21: unittest.RewardConf.Reward.item_map:type_name -> unittest.RewardConf.Reward.ItemMapEntry
-	24, // 22: unittest.RewardConf.Reward.ItemMapEntry.value:type_name -> unittest.Item
-	24, // 23: unittest.PatchMergeConf.ItemMapEntry.value:type_name -> unittest.Item
-	24, // 24: unittest.PatchMergeConf.ReplaceItemMapEntry.value:type_name -> unittest.Item
-	25, // [25:25] is the sub-list for method output_type
-	25, // [25:25] is the sub-list for method input_type
-	25, // [25:25] is the sub-list for extension type_name
-	25, // [25:25] is the sub-list for extension extendee
-	0,  // [0:25] is the sub-list for field type_name
+	21, // 8: unittest.PatchMergeConf.time:type_name -> unittest.PatchMergeConf.Time
+	22, // 9: unittest.PatchMergeConf.item_map:type_name -> unittest.PatchMergeConf.ItemMapEntry
+	23, // 10: unittest.PatchMergeConf.replace_item_map:type_name -> unittest.PatchMergeConf.ReplaceItemMapEntry
+	9,  // 11: unittest.IncellMap.FruitMapEntry.value:type_name -> unittest.IncellMap.Fruit
+	26, // 12: unittest.IncellMap.Fruit.key:type_name -> unittest.FruitType
+	24, // 13: unittest.IncellMap.FlavorMapEntry.value:type_name -> unittest.FruitFlavor
+	12, // 14: unittest.IncellMap.ItemMapEntry.value:type_name -> unittest.IncellMap.Item
+	26, // 15: unittest.IncellMap.Item.key:type_name -> unittest.FruitType
+	24, // 16: unittest.IncellMap.Item.value:type_name -> unittest.FruitFlavor
+	25, // 17: unittest.ItemConf.ItemMapEntry.value:type_name -> unittest.Item
+	15, // 18: unittest.MallConf.ShopMapEntry.value:type_name -> unittest.MallConf.Shop
+	16, // 19: unittest.MallConf.Shop.goods_map:type_name -> unittest.MallConf.Shop.GoodsMapEntry
+	17, // 20: unittest.MallConf.Shop.GoodsMapEntry.value:type_name -> unittest.MallConf.Shop.Goods
+	19, // 21: unittest.RewardConf.RewardMapEntry.value:type_name -> unittest.RewardConf.Reward
+	20, // 22: unittest.RewardConf.Reward.item_map:type_name -> unittest.RewardConf.Reward.ItemMapEntry
+	25, // 23: unittest.RewardConf.Reward.ItemMapEntry.value:type_name -> unittest.Item
+	27, // 24: unittest.PatchMergeConf.Time.start:type_name -> google.protobuf.Timestamp
+	28, // 25: unittest.PatchMergeConf.Time.expiry:type_name -> google.protobuf.Duration
+	25, // 26: unittest.PatchMergeConf.ItemMapEntry.value:type_name -> unittest.Item
+	25, // 27: unittest.PatchMergeConf.ReplaceItemMapEntry.value:type_name -> unittest.Item
+	28, // [28:28] is the sub-list for method output_type
+	28, // [28:28] is the sub-list for method input_type
+	28, // [28:28] is the sub-list for extension type_name
+	28, // [28:28] is the sub-list for extension extendee
+	0,  // [0:28] is the sub-list for field type_name
 }
 
 func init() { file_tableau_protobuf_unittest_unittest_proto_init() }
@@ -1263,6 +1351,18 @@ func file_tableau_protobuf_unittest_unittest_proto_init() {
 				return nil
 			}
 		}
+		file_tableau_protobuf_unittest_unittest_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PatchMergeConf_Time); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -1270,7 +1370,7 @@ func file_tableau_protobuf_unittest_unittest_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_tableau_protobuf_unittest_unittest_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   23,
+			NumMessages:   24,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/test/dev/proto/hero_conf.proto b/test/dev/proto/hero_conf.proto
index d2cacf4..b35b7c3 100644
--- a/test/dev/proto/hero_conf.proto
+++ b/test/dev/proto/hero_conf.proto
@@ -1,4 +1,4 @@
-// Code generated by tableau (protogen v0.6.0). DO NOT EDIT.
+// Code generated by tableau (protogen v0.6.1). DO NOT EDIT.
 // clang-format off
 
 syntax = "proto3";
diff --git a/test/dev/proto/list_conf.proto b/test/dev/proto/list_conf.proto
index 7ea70ad..df08c99 100644
--- a/test/dev/proto/list_conf.proto
+++ b/test/dev/proto/list_conf.proto
@@ -1,4 +1,4 @@
-// Code generated by tableau (protogen v0.6.0). DO NOT EDIT.
+// Code generated by tableau (protogen v0.6.1). DO NOT EDIT.
 // clang-format off
 
 syntax = "proto3";
diff --git a/test/dev/proto/map_conf.proto b/test/dev/proto/map_conf.proto
index e4a9bbc..05c92ad 100644
--- a/test/dev/proto/map_conf.proto
+++ b/test/dev/proto/map_conf.proto
@@ -1,4 +1,4 @@
-// Code generated by tableau (protogen v0.6.0). DO NOT EDIT.
+// Code generated by tableau (protogen v0.6.1). DO NOT EDIT.
 // clang-format off
 
 syntax = "proto3";
diff --git a/test/dev/proto/metasheet_conf.proto b/test/dev/proto/metasheet_conf.proto
index 8c036bc..b1318ed 100644
--- a/test/dev/proto/metasheet_conf.proto
+++ b/test/dev/proto/metasheet_conf.proto
@@ -1,4 +1,4 @@
-// Code generated by tableau (protogen v0.6.0). DO NOT EDIT.
+// Code generated by tableau (protogen v0.6.1). DO NOT EDIT.
 // clang-format off
 
 syntax = "proto3";
diff --git a/test/dev/proto/test_conf.proto b/test/dev/proto/test_conf.proto
index 5b8161b..7c81ab4 100644
--- a/test/dev/proto/test_conf.proto
+++ b/test/dev/proto/test_conf.proto
@@ -1,4 +1,4 @@
-// Code generated by tableau (protogen v0.6.0). DO NOT EDIT.
+// Code generated by tableau (protogen v0.6.1). DO NOT EDIT.
 // clang-format off
 
 syntax = "proto3";
diff --git a/test/dev/scripts/gen.sh b/test/dev/scripts/gen.sh
index a16e205..ecdfd90 100755
--- a/test/dev/scripts/gen.sh
+++ b/test/dev/scripts/gen.sh
@@ -3,6 +3,7 @@
 # set -eux
 set -e
 set -o pipefail
+shopt -s globstar
 
 cd "$(git rev-parse --show-toplevel)"
 
@@ -21,4 +22,4 @@ protoc \
 --go_opt=paths=source_relative \
 --proto_path="$INDIR" \
 --proto_path="$TABLEAU_PROTO_PATH" \
-"$INDIR"/*.proto "$INDIR"/common/*.proto
+"$INDIR"/**/*.proto # List all .proto files in the directory and subdirectories
diff --git a/test/functest/conf/ListConf.json b/test/functest/conf/ListConf.json
index 9756c49..986cf80 100644
--- a/test/functest/conf/ListConf.json
+++ b/test/functest/conf/ListConf.json
@@ -41,5 +41,18 @@
                 }
             ]
         }
-    }
+    },
+    "valueList": [
+        1
+    ],
+    "itemList": [
+        {
+            "id": 1,
+            "num": 10
+        },
+        {
+            "id": 2,
+            "num": 20
+        }
+    ]
 }
\ No newline at end of file
diff --git a/test/functest/conf/ListConf2.json b/test/functest/conf/ListConf2.json
index c1fa07a..3666d29 100644
--- a/test/functest/conf/ListConf2.json
+++ b/test/functest/conf/ListConf2.json
@@ -21,5 +21,10 @@
                 "FRUIT_TYPE_BANANA"
             ]
         }
-    }
+    },
+    "fruitList": [
+        "FRUIT_TYPE_APPLE",
+        "FRUIT_TYPE_ORANGE",
+        "FRUIT_TYPE_BANANA"
+    ]
 }
\ No newline at end of file
diff --git a/test/functest/conf/MapConf.json b/test/functest/conf/MapConf.json
index 749bc1e..d87d9b2 100644
--- a/test/functest/conf/MapConf.json
+++ b/test/functest/conf/MapConf.json
@@ -40,8 +40,8 @@
             }
         }
     },
-    "incell": {
-        "map": {
+    "friends": {
+        "friendMap": {
             "Jerry": 2,
             "Tom": 1
         }
diff --git a/test/functest/conf/XMLStructConf.json b/test/functest/conf/XMLStructConf.json
index f70b1ae..55810bf 100644
--- a/test/functest/conf/XMLStructConf.json
+++ b/test/functest/conf/XMLStructConf.json
@@ -3,6 +3,10 @@
         "id": 1,
         "name": "Apple"
     },
+    "item2": {
+        "id": 2,
+        "name": "Banana"
+    },
     "fruitShopData": {
         "fruitMap": {
             "apple": {
@@ -21,5 +25,14 @@
             }
         }
     },
-    "empty": null
+    "empty": null,
+    "award": {
+        "id": 3,
+        "num": 30
+    },
+    "vector": {
+        "x": 2.7182817,
+        "y": 3.1415925,
+        "z": -1
+    }
 }
\ No newline at end of file
diff --git a/test/functest/conf/XMLUnionConf.json b/test/functest/conf/XMLUnionConf.json
new file mode 100644
index 0000000..ed9dc40
--- /dev/null
+++ b/test/functest/conf/XMLUnionConf.json
@@ -0,0 +1,66 @@
+{
+    "predefinedUnion": {
+        "type": "TYPE_PVP",
+        "pvp": {
+            "type": 1,
+            "damage": "10",
+            "types": [
+                "FRUIT_TYPE_APPLE",
+                "FRUIT_TYPE_ORANGE",
+                "FRUIT_TYPE_BANANA"
+            ]
+        }
+    },
+    "predefinedIncellUnion": {
+        "type": "TYPE_PVE",
+        "pve": {
+            "mission": {
+                "id": 1,
+                "level": 100,
+                "damage": "999"
+            },
+            "heros": [
+                1,
+                2,
+                3
+            ],
+            "dungeons": {
+                "1": "10",
+                "2": "20",
+                "3": "30"
+            }
+        }
+    },
+    "unionList": [
+        {
+            "type": "TYPE_STORY",
+            "story": {
+                "cost": {
+                    "id": 1001,
+                    "num": 10
+                },
+                "fruits": {
+                    "1": "FRUIT_TYPE_APPLE",
+                    "2": "FRUIT_TYPE_ORANGE"
+                },
+                "flavors": {
+                    "1": {
+                        "key": "FRUIT_FLAVOR_FRAGRANT",
+                        "value": 1
+                    },
+                    "2": {
+                        "key": "FRUIT_FLAVOR_SOUR",
+                        "value": 2
+                    }
+                }
+            }
+        },
+        {
+            "type": "TYPE_SKILL",
+            "skill": {
+                "id": 1,
+                "damage": "2"
+            }
+        }
+    ]
+}
\ No newline at end of file
diff --git a/test/functest/conf/YamlPatch_Dev_YamlPatchConf.json b/test/functest/conf/YamlPatch_Dev_YamlPatchConf.json
deleted file mode 100644
index 840dfa2..0000000
--- a/test/functest/conf/YamlPatch_Dev_YamlPatchConf.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-    "env": "dev",
-    "strictStruct": {
-        "id": 1,
-        "name": "orange"
-    },
-    "scalarList": [],
-    "structList": [],
-    "scalarMap": {},
-    "structMap": {}
-}
\ No newline at end of file
diff --git a/test/functest/conf/YamlUnionConf.json b/test/functest/conf/YamlUnionConf.json
new file mode 100644
index 0000000..ed9dc40
--- /dev/null
+++ b/test/functest/conf/YamlUnionConf.json
@@ -0,0 +1,66 @@
+{
+    "predefinedUnion": {
+        "type": "TYPE_PVP",
+        "pvp": {
+            "type": 1,
+            "damage": "10",
+            "types": [
+                "FRUIT_TYPE_APPLE",
+                "FRUIT_TYPE_ORANGE",
+                "FRUIT_TYPE_BANANA"
+            ]
+        }
+    },
+    "predefinedIncellUnion": {
+        "type": "TYPE_PVE",
+        "pve": {
+            "mission": {
+                "id": 1,
+                "level": 100,
+                "damage": "999"
+            },
+            "heros": [
+                1,
+                2,
+                3
+            ],
+            "dungeons": {
+                "1": "10",
+                "2": "20",
+                "3": "30"
+            }
+        }
+    },
+    "unionList": [
+        {
+            "type": "TYPE_STORY",
+            "story": {
+                "cost": {
+                    "id": 1001,
+                    "num": 10
+                },
+                "fruits": {
+                    "1": "FRUIT_TYPE_APPLE",
+                    "2": "FRUIT_TYPE_ORANGE"
+                },
+                "flavors": {
+                    "1": {
+                        "key": "FRUIT_FLAVOR_FRAGRANT",
+                        "value": 1
+                    },
+                    "2": {
+                        "key": "FRUIT_FLAVOR_SOUR",
+                        "value": 2
+                    }
+                }
+            }
+        },
+        {
+            "type": "TYPE_SKILL",
+            "skill": {
+                "id": 1,
+                "damage": "2"
+            }
+        }
+    ]
+}
\ No newline at end of file
diff --git a/test/functest/conf/YamlPatch_Base_YamlPatchConf.json b/test/functest/conf/base/YamlPatchConf.json
similarity index 88%
rename from test/functest/conf/YamlPatch_Base_YamlPatchConf.json
rename to test/functest/conf/base/YamlPatchConf.json
index f12d3d6..56e440c 100644
--- a/test/functest/conf/YamlPatch_Base_YamlPatchConf.json
+++ b/test/functest/conf/base/YamlPatchConf.json
@@ -2,7 +2,9 @@
     "env": "base",
     "strictStruct": {
         "id": 1,
-        "name": "apple"
+        "name": "apple",
+        "start": "2024-10-01T02:10:10Z",
+        "expiry": "3600s"
     },
     "scalarList": [
         1,
diff --git a/test/functest/conf/dev/YamlPatchConf.json b/test/functest/conf/dev/YamlPatchConf.json
new file mode 100644
index 0000000..9dddd94
--- /dev/null
+++ b/test/functest/conf/dev/YamlPatchConf.json
@@ -0,0 +1,9 @@
+{
+    "env": "dev",
+    "strictStruct": {
+        "id": 0,
+        "name": "",
+        "start": "2026-09-30T22:06:06Z",
+        "expiry": "7200s"
+    }
+}
\ No newline at end of file
diff --git a/test/functest/conf/YamlPatch_Prod_YamlPatchConf.json b/test/functest/conf/prod/YamlPatchConf.json
similarity index 80%
rename from test/functest/conf/YamlPatch_Prod_YamlPatchConf.json
rename to test/functest/conf/prod/YamlPatchConf.json
index 609d522..93425bc 100644
--- a/test/functest/conf/YamlPatch_Prod_YamlPatchConf.json
+++ b/test/functest/conf/prod/YamlPatchConf.json
@@ -1,8 +1,5 @@
 {
     "env": "prod",
-    "strictStruct": null,
-    "scalarList": [],
-    "structList": [],
     "scalarMap": {
         "10": "snake",
         "20": "python"
@@ -10,7 +7,6 @@
     "structMap": {
         "1": {
             "key": 1,
-            "name": "",
             "num": 100
         },
         "20": {
diff --git a/test/functest/conf/YamlPatch_Test_YamlPatchConf.json b/test/functest/conf/test/YamlPatchConf.json
similarity index 76%
rename from test/functest/conf/YamlPatch_Test_YamlPatchConf.json
rename to test/functest/conf/test/YamlPatchConf.json
index 97753b8..0c4bb30 100644
--- a/test/functest/conf/YamlPatch_Test_YamlPatchConf.json
+++ b/test/functest/conf/test/YamlPatchConf.json
@@ -1,6 +1,5 @@
 {
     "env": "test",
-    "strictStruct": null,
     "scalarList": [
         10,
         20,
@@ -15,7 +14,5 @@
             "id": 20,
             "name": "python"
         }
-    ],
-    "scalarMap": {},
-    "structMap": {}
+    ]
 }
\ No newline at end of file
diff --git a/test/functest/func_test.go b/test/functest/func_test.go
index 3a7746e..5c7d269 100644
--- a/test/functest/func_test.go
+++ b/test/functest/func_test.go
@@ -33,26 +33,16 @@ import (
 
 func Test_CompareGeneratedProto(t *testing.T) {
 	err := genProto("DEBUG")
-	if err != nil {
-		t.Errorf("%+v", err)
-		t.Fatalf("%s", xerrors.NewDesc(err))
-	}
+	require.NoErrorf(t, err, "%+v\n%+v", err, xerrors.NewDesc(err))
 	err = EqualTextFile(".proto", "proto", "_proto", 2)
-	if err != nil {
-		t.Fatal(err)
-	}
+	require.NoError(t, err)
 }
 
 func Test_CompareGeneratedJSON(t *testing.T) {
 	err := genConf("DEBUG")
-	if err != nil {
-		t.Errorf("%+v", err)
-		t.Fatalf("%s", xerrors.NewDesc(err))
-	}
+	require.NoErrorf(t, err, "%+v\n%+v", err, xerrors.NewDesc(err))
 	err = EqualTextFile(".json", "conf", "_conf", 1)
-	if err != nil {
-		t.Fatal(err)
-	}
+	require.NoError(t, err)
 }
 
 func Test_Excel2CSV(t *testing.T) {
diff --git a/test/functest/proto/common/union.proto b/test/functest/proto/common/union.proto
index c9a8c92..c903487 100644
--- a/test/functest/proto/common/union.proto
+++ b/test/functest/proto/common/union.proto
@@ -11,7 +11,10 @@ import "common/common.proto";
 message Target {
   option (tableau.union) = true;
 
-  Type type = 9999 [(tableau.field) = { name: "Type" }];
+  Type type = 9999 [(tableau.field) = {
+    name: "Type"
+    prop: { default: "TYPE_PVP" }
+  }];
   oneof value {
     option (tableau.oneof) = {
       field: "Field"
diff --git a/test/functest/proto/excel__metasheet__aliased_workbook.proto b/test/functest/proto/excel__metasheet__aliased_workbook.proto
index ad58449..65a3fcb 100644
--- a/test/functest/proto/excel__metasheet__aliased_workbook.proto
+++ b/test/functest/proto/excel__metasheet__aliased_workbook.proto
@@ -1,4 +1,4 @@
-// Code generated by tableau (protogen v0.5.0). DO NOT EDIT.
+// Code generated by tableau (protogen v0.6.0). DO NOT EDIT.
 // clang-format off
 
 syntax = "proto3";
@@ -8,7 +8,7 @@ package protoconf;
 import "tableau/protobuf/tableau.proto";
 
 option go_package = "github.com/tableauio/tableau/test/functest/protoconf";
-option (tableau.workbook) = {name:"excel/metasheet/BookAlias#*.csv"};
+option (tableau.workbook) = {name:"excel/metasheet/BookAlias#*.csv" alias:"AliasedWorkbook"};
 
 message AliasedSheetScalar {
   option (tableau.worksheet) = {name:"Scalar" namerow:1 typerow:2 noterow:3 datarow:4};
diff --git a/test/functest/proto/xml__list__list.proto b/test/functest/proto/xml__list__list.proto
index 98aa98c..3283d1f 100644
--- a/test/functest/proto/xml__list__list.proto
+++ b/test/functest/proto/xml__list__list.proto
@@ -26,6 +26,8 @@ message ListConf {
       }
     }
   }
+  repeated int32 value_list = 2 [(tableau.field) = {name:"Value"}];
+  repeated protoconf.Item item_list = 3 [(tableau.field) = {name:"Item"}];
 }
 
 message ListConf2 {
@@ -43,4 +45,5 @@ message ListConf2 {
       repeated protoconf.FruitType enum_incell_list = 2 [(tableau.field) = {name:"EnumIncell" layout:LAYOUT_INCELL}];
     }
   }
+  repeated protoconf.FruitType fruit_list = 2 [(tableau.field) = {name:"Fruit"}];
 }
diff --git a/test/functest/proto/xml__map__map.proto b/test/functest/proto/xml__map__map.proto
index ab92025..d8f5a42 100644
--- a/test/functest/proto/xml__map__map.proto
+++ b/test/functest/proto/xml__map__map.proto
@@ -25,21 +25,21 @@ message MapConf {
   message Entry {
     uint32 id = 1 [(tableau.field) = {name:"Id"}];
     int32 value = 2 [(tableau.field) = {name:"Value" prop:{default:"1"}}];
-    map<int32, string> incell_map = 3 [(tableau.field) = {name:"IncellMap" layout:LAYOUT_INCELL}];
+    map<int32, string> incell_map = 3 [(tableau.field) = {name:"Incell" layout:LAYOUT_INCELL}];
   }
-  Incell incell = 4 [(tableau.field) = {name:"Incell"}];
-  message Incell {
-    map<string, int32> map = 1 [(tableau.field) = {name:"Map" layout:LAYOUT_INCELL}];
+  Friends friends = 4 [(tableau.field) = {name:"Friends"}];
+  message Friends {
+    map<string, int32> friend_map = 1 [(tableau.field) = {name:"Friend" layout:LAYOUT_INCELL}];
   }
-  map<int32, int32> incell_map = 5 [(tableau.field) = {name:"IncellMap" layout:LAYOUT_INCELL}];
-  map<int32, KeyEnumMapValue> key_enum_map = 6 [(tableau.field) = {name:"KeyEnumMap" key:"@key" layout:LAYOUT_INCELL span:SPAN_INNER_CELL}];
-  message KeyEnumMapValue {
+  map<int32, int32> incell_map = 5 [(tableau.field) = {name:"Incell" layout:LAYOUT_INCELL}];
+  map<int32, KeyEnumValue> key_enum_map = 6 [(tableau.field) = {name:"KeyEnum" key:"@key" layout:LAYOUT_INCELL span:SPAN_INNER_CELL}];
+  message KeyEnumValue {
     protoconf.FruitType key = 1 [(tableau.field) = {name:"@key"}];
     int32 value = 2 [(tableau.field) = {name:"@value"}];
   }
-  map<int32, protoconf.FruitType> value_enum_map = 7 [(tableau.field) = {name:"ValueEnumMap" layout:LAYOUT_INCELL}];
-  map<int32, KvEnumMapValue> kv_enum_map = 8 [(tableau.field) = {name:"KvEnumMap" key:"@key" layout:LAYOUT_INCELL span:SPAN_INNER_CELL}];
-  message KvEnumMapValue {
+  map<int32, protoconf.FruitType> value_enum_map = 7 [(tableau.field) = {name:"ValueEnum" layout:LAYOUT_INCELL}];
+  map<int32, KvEnumValue> kv_enum_map = 8 [(tableau.field) = {name:"KvEnum" key:"@key" layout:LAYOUT_INCELL span:SPAN_INNER_CELL}];
+  message KvEnumValue {
     protoconf.FruitType key = 1 [(tableau.field) = {name:"@key"}];
     protoconf.FruitType value = 2 [(tableau.field) = {name:"@value"}];
   }
diff --git a/test/functest/proto/xml__struct.proto b/test/functest/proto/xml__struct.proto
index 6085f89..58519b1 100644
--- a/test/functest/proto/xml__struct.proto
+++ b/test/functest/proto/xml__struct.proto
@@ -19,10 +19,21 @@ message XMLStructConf {
     uint32 id = 1 [(tableau.field) = {name:"ID"}];
     string name = 2 [(tableau.field) = {name:"Name"}];
   }
-  protoconf.FruitInfo fruit_shop_data = 2 [(tableau.field) = {name:"FruitShopData"}];
-  Empty empty = 3 [(tableau.field) = {name:"Empty"}];
+  OtherItem item_2 = 2 [(tableau.field) = {name:"Item2"}];
+  message OtherItem {
+    uint32 id = 1 [(tableau.field) = {name:"ID"}];
+    string name = 2 [(tableau.field) = {name:"Name"}];
+  }
+  protoconf.FruitInfo fruit_shop_data = 3 [(tableau.field) = {name:"FruitShopData"}];
+  Empty empty = 4 [(tableau.field) = {name:"Empty"}];
   message Empty {
   }
+  Award award = 5 [(tableau.field) = {name:"Award" span:SPAN_INNER_CELL}];
+  message Award {
+    uint32 id = 1 [(tableau.field) = {name:"ID"}];
+    int32 num = 2 [(tableau.field) = {name:"Num"}];
+  }
+  protoconf.Vector3 vector = 6 [(tableau.field) = {name:"Vector" span:SPAN_INNER_CELL}];
 }
 
 message XMLStructConf2 {
diff --git a/test/functest/proto/xml__union.proto b/test/functest/proto/xml__union.proto
new file mode 100644
index 0000000..61e808d
--- /dev/null
+++ b/test/functest/proto/xml__union.proto
@@ -0,0 +1,20 @@
+// Code generated by tableau (protogen v0.6.0). DO NOT EDIT.
+// clang-format off
+
+syntax = "proto3";
+
+package protoconf;
+
+import "common/union.proto";
+import "tableau/protobuf/tableau.proto";
+
+option go_package = "github.com/tableauio/tableau/test/functest/protoconf";
+option (tableau.workbook) = {name:"xml/Union.xml"};
+
+message XMLUnionConf {
+  option (tableau.worksheet) = {name:"XMLUnionConf"};
+
+  union.Target predefined_union = 1 [(tableau.field) = {name:"PredefinedUnion"}];
+  union.Target predefined_incell_union = 2 [(tableau.field) = {name:"PredefinedIncellUnion" span:SPAN_INNER_CELL prop:{form:FORM_TEXT}}];
+  repeated union.Target union_list = 3 [(tableau.field) = {name:"Union"}];
+}
diff --git a/test/functest/proto/yaml__patch__base__env.proto b/test/functest/proto/yaml__patch__base__env.proto
new file mode 100644
index 0000000..85df59f
--- /dev/null
+++ b/test/functest/proto/yaml__patch__base__env.proto
@@ -0,0 +1,39 @@
+// Code generated by tableau (protogen v0.6.0). DO NOT EDIT.
+// clang-format off
+
+syntax = "proto3";
+
+package protoconf;
+
+import "google/protobuf/duration.proto";
+import "google/protobuf/timestamp.proto";
+import "tableau/protobuf/tableau.proto";
+
+option go_package = "github.com/tableauio/tableau/test/functest/protoconf";
+option (tableau.workbook) = {name:"yaml/patch/base/Env.yaml"};
+
+message YamlPatchConf {
+  option (tableau.worksheet) = {name:"YamlPatchConf" field_presence:true scatter:"../overlays/*/Env.yaml" optional:true patch:PATCH_MERGE with_parent_dir:true scatter_without_book_name:true};
+
+  optional string env = 1 [(tableau.field) = {name:"Env"}];
+  Fruit strict_struct = 2 [(tableau.field) = {name:"StrictStruct"}];
+  message Fruit {
+    optional uint32 id = 1 [(tableau.field) = {name:"ID"}];
+    optional string name = 2 [(tableau.field) = {name:"Name"}];
+    google.protobuf.Timestamp start = 3 [(tableau.field) = {name:"Start"}];
+    google.protobuf.Duration expiry = 4 [(tableau.field) = {name:"Expiry"}];
+  }
+  repeated int32 scalar_list = 3 [(tableau.field) = {name:"ScalarList" prop:{patch:PATCH_REPLACE}}];
+  repeated Animal struct_list = 4 [(tableau.field) = {name:"StructList"}];
+  message Animal {
+    optional uint32 id = 1 [(tableau.field) = {name:"ID"}];
+    optional string name = 2 [(tableau.field) = {name:"Name"}];
+  }
+  map<uint32, string> scalar_map = 5 [(tableau.field) = {name:"ScalarMap" prop:{patch:PATCH_REPLACE}}];
+  map<uint32, Item> struct_map = 6 [(tableau.field) = {name:"StructMap" key:"@key"}];
+  message Item {
+    optional uint32 key = 1 [(tableau.field) = {name:"@key"}];
+    optional string name = 2 [(tableau.field) = {name:"Name"}];
+    optional int32 num = 3 [(tableau.field) = {name:"Num"}];
+  }
+}
diff --git a/test/functest/proto/yaml__patch__yaml_patch_base.proto b/test/functest/proto/yaml__patch__yaml_patch_base.proto
deleted file mode 100644
index fe99218..0000000
--- a/test/functest/proto/yaml__patch__yaml_patch_base.proto
+++ /dev/null
@@ -1,31 +0,0 @@
-// Code generated by tableau (protogen v0.6.0). DO NOT EDIT.
-// clang-format off
-
-syntax = "proto3";
-
-package protoconf;
-
-import "tableau/protobuf/tableau.proto";
-
-option go_package = "github.com/tableauio/tableau/test/functest/protoconf";
-option (tableau.workbook) = {name:"yaml/Patch/YamlPatch_Base.yaml"};
-
-message YamlPatchConf {
-  option (tableau.worksheet) = {name:"YamlPatchConf" scatter:"YamlPatch*.yaml" optional:true patch:PATCH_MERGE};
-
-  string env = 1 [(tableau.field) = {name:"Env"}];
-  Fruit strict_struct = 2 [(tableau.field) = {name:"StrictStruct"}];
-  message Fruit {
-    uint32 id = 1 [(tableau.field) = {name:"ID"}];
-    string name = 2 [(tableau.field) = {name:"Name"}];
-  }
-  repeated int32 scalar_list = 3 [(tableau.field) = {name:"ScalarList" prop:{patch:PATCH_REPLACE}}];
-  repeated Fruit struct_list = 4 [(tableau.field) = {name:"StructList"}];
-  map<uint32, string> scalar_map = 5 [(tableau.field) = {name:"ScalarMap" prop:{patch:PATCH_REPLACE}}];
-  map<uint32, Item> struct_map = 6 [(tableau.field) = {name:"StructMap" key:"@key"}];
-  message Item {
-    uint32 key = 1 [(tableau.field) = {name:"@key"}];
-    string name = 2 [(tableau.field) = {name:"Name"}];
-    int32 num = 3 [(tableau.field) = {name:"Num"}];
-  }
-}
diff --git a/test/functest/proto/yaml__union.proto b/test/functest/proto/yaml__union.proto
new file mode 100644
index 0000000..9bce4a0
--- /dev/null
+++ b/test/functest/proto/yaml__union.proto
@@ -0,0 +1,20 @@
+// Code generated by tableau (protogen v0.6.0). DO NOT EDIT.
+// clang-format off
+
+syntax = "proto3";
+
+package protoconf;
+
+import "common/union.proto";
+import "tableau/protobuf/tableau.proto";
+
+option go_package = "github.com/tableauio/tableau/test/functest/protoconf";
+option (tableau.workbook) = {name:"yaml/Union.yaml"};
+
+message YamlUnionConf {
+  option (tableau.worksheet) = {name:"YamlUnionConf"};
+
+  union.Target predefined_union = 1 [(tableau.field) = {name:"PredefinedUnion"}];
+  union.Target predefined_incell_union = 2 [(tableau.field) = {name:"PredefinedIncellUnion" span:SPAN_INNER_CELL prop:{form:FORM_TEXT}}];
+  repeated union.Target union_list = 3 [(tableau.field) = {name:"UnionList"}];
+}
diff --git a/test/functest/testdata/xml/Struct.xml b/test/functest/testdata/xml/Struct.xml
index 67daf03..23b4984 100644
--- a/test/functest/testdata/xml/Struct.xml
+++ b/test/functest/testdata/xml/Struct.xml
@@ -7,9 +7,12 @@
 
 <XMLStructConf>
     <Item ID="uint32" Name="string" />
+    <Item2 ID="{OtherItem}uint32" Name="string" />
     <FruitShopData @type="{.FruitInfo}" />
     <Empty>
     </Empty>
+    <Award>{uint32 ID, int32 Num}Award</Award>
+    <Vector>{.Vector3}</Vector>
 </XMLStructConf>
 
 <XMLStructConf2>
@@ -19,6 +22,7 @@
 
 <XMLStructConf>
     <Item ID="1" Name="Apple" VerboseAttr="A kind of fruit."/>
+    <Item2 ID="2" Name="Banana" />
     <VerboseElement ID="10" Num="100" />
     <FruitShopData>
         <Fruit Name="apple" Flavor="Sour,Sweet"/>
@@ -26,6 +30,8 @@
     </FruitShopData>
     <Empty>
     </Empty>
+    <Award>3, 30</Award>
+    <Vector>2.7182818, 3.1415926, -1</Vector>
 </XMLStructConf>
 
 <XMLStructConf2>
diff --git a/test/functest/testdata/xml/Union.xml b/test/functest/testdata/xml/Union.xml
new file mode 100644
index 0000000..f23ec2f
--- /dev/null
+++ b/test/functest/testdata/xml/Union.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!--
+<@TABLEAU>
+    <Item Sheet="XMLUnionConf" />
+</@TABLEAU>
+
+<XMLUnionConf>
+    <PredefinedUnion @type="{union.Target}" />
+    <PredefinedIncellUnion>{union.Target}|{form:FORM_TEXT}</PredefinedIncellUnion>
+    <Union @type="[union.Target]" />
+</XMLUnionConf>
+-->
+
+<XMLUnionConf>
+    <PredefinedUnion Field1="1" Field2="10" Field3="Apple,Orange,Banana"/>
+    <PredefinedIncellUnion>type:TYPE_PVE pve:{mission:{id:1 level:100 damage:999} heros:1 heros:2 heros:3 dungeons:{key:1 value:10} dungeons:{key:2 value:20} dungeons:{key:3 value:30}}</PredefinedIncellUnion>
+    <Union Type="Story" Field1="1001,10" Field2="1:Apple,2:Orange" Field3="Fragrant:1,Sour:2"/>
+    <Union Type="Skill" Field1="1" Field2="2"/>
+</XMLUnionConf>
\ No newline at end of file
diff --git a/test/functest/testdata/xml/list/List.xml b/test/functest/testdata/xml/list/List.xml
index 0cdcfee..141506e 100644
--- a/test/functest/testdata/xml/list/List.xml
+++ b/test/functest/testdata/xml/list/List.xml
@@ -11,6 +11,8 @@
             <CrossCell Value="[CrossCell]int32" Name="string" Cost="[]int32" />
         </Parent2>
     </Parent>
+    <Value>[int32]</Value>
+    <Item @type="[.Item]"/>
 </ListConf>
 
 <ListConf2>
@@ -20,6 +22,7 @@
             <EnumIncell>[]enum<.FruitType></EnumIncell>
         </Parent2>
     </Parent>
+    <Fruit>[enum<.FruitType>]</Fruit>
 </ListConf2>
 -->
 
@@ -32,6 +35,9 @@
             <CrossCell Value="1" Name="Grape" Cost="10,11,12,13" />
         </Parent2>
     </Parent>
+    <Value>1</Value>
+    <Item ID="1" Num="10"/>
+    <Item ID="2" Num="20"/>
 </ListConf>
 
 <ListConf2>
@@ -41,4 +47,7 @@
             <EnumIncell>Apple, Orange, Banana</EnumIncell>
         </Parent2>
     </Parent>
+    <Fruit>FRUIT_TYPE_APPLE</Fruit>
+    <Fruit>FRUIT_TYPE_ORANGE</Fruit>
+    <Fruit>FRUIT_TYPE_BANANA</Fruit>
 </ListConf2>
diff --git a/test/functest/testdata/xml/map/Map.xml b/test/functest/testdata/xml/map/Map.xml
index 8fcead4..dccf370 100644
--- a/test/functest/testdata/xml/map/Map.xml
+++ b/test/functest/testdata/xml/map/Map.xml
@@ -6,12 +6,12 @@
 
 <MapConf Open="bool">
     <PreEntry Name="map<string, PreEntry>" Cost="[]int32" />
-    <Entry Id="map<uint32, Entry>" Value="int32|{default:"1"}" IncellMap="map<int32, string>" />
-    <Incell Map="map<string, int32>" />
-    <IncellMap>map<int32, int32></IncellMap>
-    <KeyEnumMap>map<enum<.FruitType>, int32></KeyEnumMap>
-    <ValueEnumMap>map<int32, enum<.FruitType>></ValueEnumMap>
-    <KvEnumMap>map<enum<.FruitType>, enum<.FruitType>></KvEnumMap>
+    <Entry Id="map<uint32, Entry>" Value="int32|{default:"1"}" Incell="map<int32, string>" />
+    <Friends Friend="map<string, int32>" />
+    <Incell>map<int32, int32></Incell>
+    <KeyEnum>map<enum<.FruitType>, int32></KeyEnum>
+    <ValueEnum>map<int32, enum<.FruitType>></ValueEnum>
+    <KvEnum>map<enum<.FruitType>, enum<.FruitType>></KvEnum>
 
     <Meal Id="map<string, Meal>" Time="duration|{default:"30m"}">
         <Meat Name="map<string, Meat>" Weight="string" />
@@ -28,14 +28,14 @@
 <MapConf Open="true">
     <PreEntry Name="1" Cost="1,2,3" />
     <PreEntry Name="2" Cost="4,5,6" />
-    <Entry Id="1" Value="1" IncellMap="1:first,2:second" />
-    <Entry Id="2" Value="2" IncellMap=""/>
-    <Entry Id="3" IncellMap="3:third" />
-    <Incell Map="Tom:1,Jerry:2" />
-    <IncellMap>1:1,2:10,3:100</IncellMap>
-    <KeyEnumMap>Apple:1,Banana:2</KeyEnumMap>
-    <ValueEnumMap>1:Banana,2:Orange</ValueEnumMap>
-    <KvEnumMap>Apple:Banana,Banana:Orange</KvEnumMap>
+    <Entry Id="1" Value="1" Incell="1:first,2:second" />
+    <Entry Id="2" Value="2" Incell=""/>
+    <Entry Id="3" Incell="3:third" />
+    <Friends Friend="Tom:1,Jerry:2" />
+    <Incell>1:1,2:10,3:100</Incell>
+    <KeyEnum>Apple:1,Banana:2</KeyEnum>
+    <ValueEnum>1:Banana,2:Orange</ValueEnum>
+    <KvEnum>Apple:Banana,Banana:Orange</KvEnum>
 
     <Meal Id="breakfast" Time="15m">
         <Meat Name="Egg" Weight="100g" />
diff --git a/test/functest/testdata/yaml/Patch/YamlPatch_Dev.yaml b/test/functest/testdata/yaml/Patch/YamlPatch_Dev.yaml
deleted file mode 100644
index c376764..0000000
--- a/test/functest/testdata/yaml/Patch/YamlPatch_Dev.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
-"@sheet": YamlPatchConf
-Env: dev
-StrictStruct:
-  ID: 1
-  Name: orange
diff --git a/test/functest/testdata/yaml/Union.yaml b/test/functest/testdata/yaml/Union.yaml
new file mode 100644
index 0000000..5776dc2
--- /dev/null
+++ b/test/functest/testdata/yaml/Union.yaml
@@ -0,0 +1,25 @@
+# define metasheet: generate all sheets
+"@sheet": "@TABLEAU"
+---
+# define schema
+"@sheet": "@YamlUnionConf"
+PredefinedUnion: "{union.Target}"
+PredefinedIncellUnion:
+  "@type": "{union.Target}|{form:FORM_TEXT}"
+  "@incell": true
+UnionList: "[union.Target]"
+---
+"@sheet": YamlUnionConf
+PredefinedUnion:
+  Field1: 1
+  Field2: 10
+  Field3: Apple,Orange,Banana
+PredefinedIncellUnion: "type:TYPE_PVE pve:{mission:{id:1 level:100 damage:999} heros:1 heros:2 heros:3 dungeons:{key:1 value:10} dungeons:{key:2 value:20} dungeons:{key:3 value:30}}"
+UnionList:
+  - Type: Story
+    Field1: 1001,10
+    Field2: 1:Apple,2:Orange
+    Field3: Fragrant:1,Sour:2
+  - Type: Skill
+    Field1: 1
+    Field2: 2
diff --git a/test/functest/testdata/yaml/Patch/YamlPatch_Base.yaml b/test/functest/testdata/yaml/patch/base/Env.yaml
similarity index 70%
rename from test/functest/testdata/yaml/Patch/YamlPatch_Base.yaml
rename to test/functest/testdata/yaml/patch/base/Env.yaml
index 090182c..27f3ca1 100644
--- a/test/functest/testdata/yaml/Patch/YamlPatch_Base.yaml
+++ b/test/functest/testdata/yaml/patch/base/Env.yaml
@@ -2,8 +2,11 @@
 "@sheet": "@TABLEAU"
 "YamlPatchConf":
   Patch: PATCH_MERGE
-  Scatter: "YamlPatch*.yaml"
   Optional: true
+  FieldPresence: true
+  Scatter: "../overlays/*/Env.yaml"
+  ScatterWithoutBookName: true
+  WithParentDir: true
 ---
 # define schema
 "@sheet": "@YamlPatchConf"
@@ -13,10 +16,14 @@ StrictStruct:
   "@struct":
     ID: uint32
     Name: string
+    Start: datetime
+    Expiry: duration
 ScalarList: "[int32]|{patch:PATCH_REPLACE}"
 StructList:
-  "@type": "[Fruit]"
-  "@struct": "{.Fruit}"
+  "@type": "[Animal]"
+  "@struct":
+    ID: uint32
+    Name: string
 ScalarMap: "map<uint32, string>|{patch:PATCH_REPLACE}"
 StructMap:
   "@type": "map<uint32, Item>"
@@ -29,6 +36,8 @@ Env: base
 StrictStruct:
   ID: 1
   Name: apple
+  Start: 2024-10-01 10:10:10
+  Expiry: 1h
 ScalarList: [1, 2, 3]
 StructList:
   - ID: 1
diff --git a/test/functest/testdata/yaml/patch/overlays/dev/Env.yaml b/test/functest/testdata/yaml/patch/overlays/dev/Env.yaml
new file mode 100644
index 0000000..4c673a7
--- /dev/null
+++ b/test/functest/testdata/yaml/patch/overlays/dev/Env.yaml
@@ -0,0 +1,7 @@
+"@sheet": YamlPatchConf
+Env: dev
+StrictStruct:
+  ID: 0
+  Name: ""
+  Start: 2026-10-01 06:06:06
+  Expiry: 2h
diff --git a/test/functest/testdata/yaml/Patch/YamlPatch_Prod.yaml b/test/functest/testdata/yaml/patch/overlays/prod/Env.yaml
similarity index 100%
rename from test/functest/testdata/yaml/Patch/YamlPatch_Prod.yaml
rename to test/functest/testdata/yaml/patch/overlays/prod/Env.yaml
diff --git a/test/functest/testdata/yaml/Patch/YamlPatch_Test.yaml b/test/functest/testdata/yaml/patch/overlays/test/Env.yaml
similarity index 100%
rename from test/functest/testdata/yaml/Patch/YamlPatch_Test.yaml
rename to test/functest/testdata/yaml/patch/overlays/test/Env.yaml
diff --git a/test/functest/util.go b/test/functest/util.go
index 3bce291..bf6472d 100644
--- a/test/functest/util.go
+++ b/test/functest/util.go
@@ -125,15 +125,23 @@ func genConf(logLevel string) error {
 }
 
 func EqualTextFile(fileExt string, oldDir, newDir string, startLineN int) error {
-	files, err := os.ReadDir(oldDir)
+	dirEntries, err := os.ReadDir(oldDir)
 	if err != nil {
 		return err
 	}
-	for _, file := range files {
-		if filepath.Ext(file.Name()) != fileExt {
+	for _, entry := range dirEntries {
+		if entry.IsDir() {
+			subOldDir := filepath.Join(oldDir, entry.Name())
+			subNewDir := filepath.Join(newDir, entry.Name())
+			err := EqualTextFile(fileExt, subOldDir, subNewDir, startLineN)
+			if err != nil {
+				return err
+			}
+			continue
+		} else if filepath.Ext(entry.Name()) != fileExt {
 			continue
 		}
-		oldPath := filepath.Join(oldDir, file.Name())
+		oldPath := filepath.Join(oldDir, entry.Name())
 		absOldPath, err := filepath.Abs(oldPath)
 		if err != nil {
 			return err
@@ -143,7 +151,7 @@ func EqualTextFile(fileExt string, oldDir, newDir string, startLineN int) error
 			return err
 		}
 
-		newPath := filepath.Join(newDir, file.Name())
+		newPath := filepath.Join(newDir, entry.Name())
 		absNewPath, err := filepath.Abs(newPath)
 		if err != nil {
 			return err
@@ -175,8 +183,8 @@ func EqualTextFile(fileExt string, oldDir, newDir string, startLineN int) error
 			oldLine := string(oscan.Bytes())
 			newLine := string(nscan.Bytes())
 			if oldLine != newLine {
-				return fmt.Errorf("line diff:\nold: %s:%d\n%s\nnew: %s:%d\n%s", 
-				absOldPath, ln, oldLine, absNewPath, ln, newLine)
+				return fmt.Errorf("line diff:\nold: %s:%d\n%s\nnew: %s:%d\n%s",
+					absOldPath, ln, oldLine, absNewPath, ln, newLine)
 			}
 		}
 	}
diff --git a/testdata/unittest/conf/PatchMergeConf.json b/testdata/unittest/conf/PatchMergeConf.json
index 54495ab..62ce2fa 100644
--- a/testdata/unittest/conf/PatchMergeConf.json
+++ b/testdata/unittest/conf/PatchMergeConf.json
@@ -1,5 +1,9 @@
 {
     "name": "apple",
+    "time": {
+        "start": "2024-10-01T02:10:10Z",
+        "expiry": "3600s"
+    },
     "priceList": [
         10,
         100
diff --git a/testdata/unittest/patchconf/PatchMergeConf.json b/testdata/unittest/patchconf/PatchMergeConf.json
index e481a50..0153de4 100644
--- a/testdata/unittest/patchconf/PatchMergeConf.json
+++ b/testdata/unittest/patchconf/PatchMergeConf.json
@@ -1,5 +1,8 @@
 {
     "name": "orange",
+    "time": {
+        "expiry": "7200s"
+    },
     "priceList": [
         20,
         200
diff --git a/xerrors/desc_test.go b/xerrors/desc_test.go
new file mode 100644
index 0000000..a7d9b77
--- /dev/null
+++ b/xerrors/desc_test.go
@@ -0,0 +1,49 @@
+package xerrors
+
+import (
+	"testing"
+)
+
+func TestNewDesc(t *testing.T) {
+	type args struct {
+		err error
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantNil bool
+	}{
+		{
+			name: "nil error",
+			args: args{
+				err: nil,
+			},
+			wantNil: true,
+		},
+		{
+			name: "general error",
+			args: args{
+				err: ErrorKV("some error",
+					KeyPBFieldType, "Item",
+					KeyPBFieldOpts, "{unique: true}"),
+			},
+		},
+		{
+			name: "ecode",
+			args: args{
+				err: E0001("Item", "Item.xlsx"),
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := NewDesc(tt.args.err)
+			if (got == nil) != tt.wantNil {
+				t.Errorf("NewDesc() *Desc == nil: %v, wantNil %v", got == nil, tt.wantNil)
+			}
+			if got != nil {
+				t.Logf("%s: %s: %s", tt.name, got.ErrCode(), got)
+			}
+		})
+	}
+}