diff --git a/.golangci.yml b/.golangci.yml
index ae14dfd1e..73ca1662f 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -8,4 +8,6 @@ linters:
   enable:
     - revive
     - staticcheck
-    - govet
\ No newline at end of file
+    - govet
+    - gosimple
+    - gofmt
\ No newline at end of file
diff --git a/cmd/kratos/internal/change/change.go b/cmd/kratos/internal/change/change.go
index 3c132c117..647a54c9e 100644
--- a/cmd/kratos/internal/change/change.go
+++ b/cmd/kratos/internal/change/change.go
@@ -40,4 +40,4 @@ func run(cmd *cobra.Command, args []string) {
 		info := api.GetReleaseInfo(version)
 		fmt.Print(base.ParseReleaseInfo(info))
 	}
-}
\ No newline at end of file
+}
diff --git a/examples/http/echo/main.go b/examples/http/echo/main.go
index 442645fdf..ed3599120 100644
--- a/examples/http/echo/main.go
+++ b/examples/http/echo/main.go
@@ -10,7 +10,7 @@ import (
 func main() {
 	router := echo.New()
 	router.GET("/home", func(ctx echo.Context) error {
-		return ctx.JSON(200,"Hello echo")
+		return ctx.JSON(200, "Hello echo")
 	})
 
 	httpSrv := http.NewServer(http.Address(":8000"))
@@ -25,4 +25,4 @@ func main() {
 	if err := app.Run(); err != nil {
 		log.Fatal(err)
 	}
-}
\ No newline at end of file
+}
diff --git a/examples/i18n/internal/pkg/middleware/localize/localize.go b/examples/i18n/internal/pkg/middleware/localize/localize.go
index 949c4749c..c2d611bc3 100644
--- a/examples/i18n/internal/pkg/middleware/localize/localize.go
+++ b/examples/i18n/internal/pkg/middleware/localize/localize.go
@@ -32,4 +32,4 @@ func I18N() middleware.Middleware {
 
 func FromContext(ctx context.Context) *i18n.Localizer {
 	return ctx.Value(localizerKey{}).(*i18n.Localizer)
-}
\ No newline at end of file
+}
diff --git a/examples/i18n/internal/service/greeter.go b/examples/i18n/internal/service/greeter.go
index c344da498..030e4b52d 100644
--- a/examples/i18n/internal/service/greeter.go
+++ b/examples/i18n/internal/service/greeter.go
@@ -34,9 +34,9 @@ func (s *GreeterService) SayHello(ctx context.Context, in *v1.HelloRequest) (*v1
 	helloMsg, err := localizer.Localize(&i18n.LocalizeConfig{
 		DefaultMessage: &i18n.Message{
 			Description: "sayhello",
-			ID:    "sayHello",
-			One:   "Hello {{.Name}}",
-			Other: "Hello {{.Name}}",
+			ID:          "sayHello",
+			One:         "Hello {{.Name}}",
+			Other:       "Hello {{.Name}}",
 		},
 		TemplateData: map[string]interface{}{
 			"Name": in.Name,
diff --git a/examples/registry/etcd/client/main.go b/examples/registry/etcd/client/main.go
index 6c919aa36..e92bc5691 100644
--- a/examples/registry/etcd/client/main.go
+++ b/examples/registry/etcd/client/main.go
@@ -56,4 +56,4 @@ func callHTTP(r *registry.Registry) {
 		log.Fatal(err)
 	}
 	log.Printf("[http] SayHello %+v\n", reply)
-}
\ No newline at end of file
+}
diff --git a/metadata/metadata.go b/metadata/metadata.go
index 21b7547db..579f062cf 100644
--- a/metadata/metadata.go
+++ b/metadata/metadata.go
@@ -47,7 +47,7 @@ func (m Metadata) Set(key string, value string) {
 func (m Metadata) Range(f func(k, v string) bool) {
 	for k, v := range m {
 		ret := f(k, v)
-		if ret == false {
+		if !ret {
 			break
 		}
 	}
diff --git a/transport/http/binding/encode.go b/transport/http/binding/encode.go
index f7a1564ed..61e040d0e 100644
--- a/transport/http/binding/encode.go
+++ b/transport/http/binding/encode.go
@@ -28,7 +28,7 @@ func EncodeURL(pathTemplate string, msg proto.Message, needQuery bool) string {
 	if reg == nil {
 		return pathTemplate
 	}
-	pathParams := make(map[string]struct{}, 0)
+	pathParams := make(map[string]struct{})
 	path := reg.ReplaceAllStringFunc(pathTemplate, func(in string) string {
 		if len(in) < 4 {
 			return in