diff --git a/cmd/errno-gen/command/errno.go b/cmd/errno-gen/command/errno.go
index 43c2025..05a2cbc 100644
--- a/cmd/errno-gen/command/errno.go
+++ b/cmd/errno-gen/command/errno.go
@@ -21,7 +21,7 @@ type Gen struct {
 	Tags      []string
 	Version   string
 	pkg       *Package
-	ErrorsPkg string
+	Epk       string
 }
 
 func (g *Gen) Generate() error {
@@ -94,7 +94,7 @@ func (g *Gen) generateError(typeName string) error {
 		Version:      g.Version,
 		IsDeprecated: false,
 		Package:      g.pkg.Name,
-		ErrorsPkg:    g.ErrorsPkg,
+		Epk:          g.Epk,
 		Enums: []*Enumerate{
 			{
 				Type:     typeType,
diff --git a/cmd/errno-gen/command/errno.tpl b/cmd/errno-gen/command/errno.tpl
index b824392..45dcb70 100644
--- a/cmd/errno-gen/command/errno.tpl
+++ b/cmd/errno-gen/command/errno.tpl
@@ -7,13 +7,12 @@
 package {{.Package}}
 
 import (
-	errors "{{.ErrorsPkg}}"
+	errors "{{.Epk}}"
 )
 {{- range $e := .Enums}}
 
 {{- range $ee := $e.Values}}
-// Err{{$ee.OriginalName}} {{.Mapping}}
-// `{{$e.TypeName}}`{{$e.Explain}}: {{$ee.Value}} 
+// Err{{$ee.OriginalName}} {{.Mapping}}({{$ee.Value}} )
 func Err{{$ee.OriginalName}}(opts ...errors.Option) error {
 	return errors.New(int32({{$ee.OriginalName}}), {{$ee.OriginalName}}.String(), opts...)
 }
diff --git a/cmd/errno-gen/command/errno_template.go b/cmd/errno-gen/command/errno_template.go
index 13ae8ec..370ff8c 100644
--- a/cmd/errno-gen/command/errno_template.go
+++ b/cmd/errno-gen/command/errno_template.go
@@ -17,7 +17,7 @@ type GenFile struct {
 	Version      string
 	IsDeprecated bool
 	Package      string
-	ErrorsPkg    string
+	Epk          string
 	Enums        []*Enumerate
 }
 
diff --git a/cmd/errno-gen/command/root.go b/cmd/errno-gen/command/root.go
index 942c4a3..66d311c 100644
--- a/cmd/errno-gen/command/root.go
+++ b/cmd/errno-gen/command/root.go
@@ -16,7 +16,7 @@ type ErrnoOption struct {
 	Type            []string
 	Tags            []string
 	DisableStringer bool
-	ErrorsPkg       string
+	Epk             string
 }
 
 type RootCmd struct {
@@ -77,7 +77,7 @@ func NewRootCmd() *RootCmd {
 				Type:      root.Type,
 				Tags:      root.Tags,
 				Version:   version,
-				ErrorsPkg: root.ErrorsPkg,
+				Epk:       root.Epk,
 			}
 			err = g.Generate()
 			if err != nil {
@@ -100,7 +100,7 @@ func NewRootCmd() *RootCmd {
 	cmd.Flags().StringSliceVarP(&root.Type, "type", "t", nil, "the list type of enum names; must be set")
 	cmd.Flags().StringSliceVar(&root.Tags, "tags", nil, "comma-separated list of build tags to apply")
 	cmd.Flags().BoolVarP(&root.DisableStringer, "disable-stringer", "d", false, "disable use `stringer` command.")
-	cmd.Flags().StringVarP(&root.ErrorsPkg, "errors-pkg", "e", "github.com/things-go/dyn/errorx", "errors package import path")
+	cmd.Flags().StringVarP(&root.Epk, "epk", "e", "github.com/things-go/dyn/errorx", "errors package import path")
 
 	root.cmd = cmd
 	return root
diff --git a/cmd/protoc-gen-dyn-errno/errno.tpl b/cmd/protoc-gen-dyn-errno/errno.tpl
index 07469ad..f5501b3 100644
--- a/cmd/protoc-gen-dyn-errno/errno.tpl
+++ b/cmd/protoc-gen-dyn-errno/errno.tpl
@@ -20,6 +20,7 @@ var _ =	errors.New
 {{- range $e := .Errors}}
 {{$enumName := $e.Name}}
 {{ range .Values }}
+// Err{{.CamelValue}} {{.Message}}({{.Code}})
 func Err{{.CamelValue}}(opts ...errors.Option) *errors.Error {
 	return errors.New({{.Code}}, "{{.Message}}", opts...)
 }
diff --git a/example/gen/errno/errno.errno.pb.go b/example/gen/errno/errno.errno.pb.go
index 7dcf3a9..493a58c 100644
--- a/example/gen/errno/errno.errno.pb.go
+++ b/example/gen/errno/errno.errno.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-dyn-errno. DO NOT EDIT.
 // versions:
 //   - protoc-gen-dyn-errno v1.0.0
-//   - protoc                 v5.26.1
+//   - protoc                 v5.27.0
 // source: errno/errno.proto
 
 package errno
@@ -13,9 +13,12 @@ import (
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = errors.New
 
+// ErrInternalServer 服务器错误(500)
 func ErrInternalServer(opts ...errors.Option) *errors.Error {
 	return errors.New(500, "服务器错误", opts...)
 }
+
+// ErrTimeout 操作超时(1000)
 func ErrTimeout(opts ...errors.Option) *errors.Error {
 	return errors.New(1000, "操作超时", opts...)
 }
diff --git a/example/gen/errno/errno.pb.go b/example/gen/errno/errno.pb.go
index 5d1edfc..c5e2c14 100644
--- a/example/gen/errno/errno.pb.go
+++ b/example/gen/errno/errno.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.33.0
-// 	protoc        v5.26.1
+// 	protoc-gen-go v1.34.1
+// 	protoc        v5.27.0
 // source: errno/errno.proto
 
 package errno
diff --git a/example/gen/hello/hello.gin.pb.go b/example/gen/hello/hello.gin.pb.go
index bab3c94..5545e84 100644
--- a/example/gen/hello/hello.gin.pb.go
+++ b/example/gen/hello/hello.gin.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-dyn-gin. DO NOT EDIT.
 // versions:
 //   - protoc-gen-dyn-gin v1.0.0
-//   - protoc             v5.26.1
+//   - protoc             v5.27.0
 // source: hello/hello.proto
 
 package hello
diff --git a/example/gen/hello/hello.pb.go b/example/gen/hello/hello.pb.go
index c83afbe..3b53ef0 100644
--- a/example/gen/hello/hello.pb.go
+++ b/example/gen/hello/hello.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.33.0
-// 	protoc        v5.26.1
+// 	protoc-gen-go v1.34.1
+// 	protoc        v5.27.0
 // source: hello/hello.proto
 
 package hello
diff --git a/example/gen/hello/hello.resty.pb.go b/example/gen/hello/hello.resty.pb.go
index 2b1bfab..859ba5f 100644
--- a/example/gen/hello/hello.resty.pb.go
+++ b/example/gen/hello/hello.resty.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-dyn-resty. DO NOT EDIT.
 // versions:
 // - protoc-gen-dyn-resty v1.0.0
-// - protoc               v5.26.1
+// - protoc               v5.27.0
 // source: hello/hello.proto
 
 package hello
diff --git a/example/gen/hello/hello_grpc.pb.go b/example/gen/hello/hello_grpc.pb.go
index cf963f4..b13e0d2 100644
--- a/example/gen/hello/hello_grpc.pb.go
+++ b/example/gen/hello/hello_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.3.0
-// - protoc             v5.26.1
+// - protoc             v5.27.0
 // source: hello/hello.proto
 
 package hello
diff --git a/example/go.mod b/example/go.mod
index eb81709..2466e55 100644
--- a/example/go.mod
+++ b/example/go.mod
@@ -2,11 +2,11 @@ module github.com/things-go/dyn/example
 
 go 1.21
 
-replace github.com/things-go/dyn v1.0.0-rc1 => ../
+replace github.com/things-go/dyn v1.0.0-rc5 => ../
 
 require (
 	github.com/gin-gonic/gin v1.10.0
-	github.com/things-go/dyn v1.0.0-rc1
+	github.com/things-go/dyn v1.0.0-rc5
 	google.golang.org/genproto/googleapis/api v0.0.0-20240415180920-8c6c420018be
 	google.golang.org/grpc v1.64.0
 	google.golang.org/protobuf v1.34.1
@@ -40,7 +40,7 @@ require (
 	golang.org/x/crypto v0.23.0 // indirect
 	golang.org/x/exp v0.0.0-20240525044651-4c93da0ed11d // indirect
 	golang.org/x/net v0.25.0 // indirect
-	golang.org/x/oauth2 v0.20.0 // indirect
+	golang.org/x/oauth2 v0.21.0 // indirect
 	golang.org/x/sys v0.20.0 // indirect
 	golang.org/x/text v0.15.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240509183442-62759503f434 // indirect
diff --git a/example/go.sum b/example/go.sum
index 1a56fcf..42e485a 100644
--- a/example/go.sum
+++ b/example/go.sum
@@ -101,8 +101,8 @@ golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
 golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
 golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac=
 golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
-golang.org/x/oauth2 v0.20.0 h1:4mQdhULixXKP1rwYBW0vAijoXnkTG0BLCDRzfe1idMo=
-golang.org/x/oauth2 v0.20.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
+golang.org/x/oauth2 v0.21.0 h1:tsimM75w1tF/uws5rbeHzIWxEqElMehnc+iW793zsZs=
+golang.org/x/oauth2 v0.21.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=