diff --git a/tools/goctl/api/gogen/gen.go b/tools/goctl/api/gogen/gen.go
index 74ea9aa6..ff3386cc 100644
--- a/tools/goctl/api/gogen/gen.go
+++ b/tools/goctl/api/gogen/gen.go
@@ -28,7 +28,6 @@ var tmpDir = path.Join(os.TempDir(), "goctl")
 func GoCommand(c *cli.Context) error {
 	apiFile := c.String("api")
 	dir := c.String("dir")
-	force := c.Bool("force")
 	if len(apiFile) == 0 {
 		return errors.New("missing -api")
 	}
@@ -36,10 +35,10 @@ func GoCommand(c *cli.Context) error {
 		return errors.New("missing -dir")
 	}
 
-	return DoGenProject(apiFile, dir, force)
+	return DoGenProject(apiFile, dir)
 }
 
-func DoGenProject(apiFile, dir string, force bool) error {
+func DoGenProject(apiFile, dir string) error {
 	p, err := parser.NewParser(apiFile)
 	if err != nil {
 		return err
@@ -54,9 +53,9 @@ func DoGenProject(apiFile, dir string, force bool) error {
 	logx.Must(genConfig(dir, api))
 	logx.Must(genMain(dir, api))
 	logx.Must(genServiceContext(dir, api))
-	logx.Must(genTypes(dir, api, force))
+	logx.Must(genTypes(dir, api))
 	logx.Must(genHandlers(dir, api))
-	logx.Must(genRoutes(dir, api, force))
+	logx.Must(genRoutes(dir, api))
 	logx.Must(genLogic(dir, api))
 
 	if err := backupAndSweep(apiFile); err != nil {
diff --git a/tools/goctl/api/gogen/gen_test.go b/tools/goctl/api/gogen/gen_test.go
index 32682e4b..6cc4995e 100644
--- a/tools/goctl/api/gogen/gen_test.go
+++ b/tools/goctl/api/gogen/gen_test.go
@@ -32,7 +32,7 @@ type Response struct {
 
 @server(
     // C0
-	group: greet
+	group: greet/s1
 )
 // C1
 service A-api {
@@ -43,10 +43,8 @@ service A-api {
   get /greet/from/:name(Request) returns (Response)   // hello
 	
   // C4
-  @server(
-    handler: NoResponseHandler // C5
-  )
-  get /greet/get(Request) returns
+  @handler NoResponseHandler  // C5
+  get /greet/get(Request)
 }
 `
 
@@ -504,7 +502,8 @@ func TestHasImportApi(t *testing.T) {
 
 func validate(t *testing.T, api string) {
 	dir := "_go"
-	err := DoGenProject(api, dir, true)
+	os.RemoveAll(dir)
+	err := DoGenProject(api, dir)
 	defer os.RemoveAll(dir)
 	assert.Nil(t, err)
 	filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
diff --git a/tools/goctl/api/gogen/genroutes.go b/tools/goctl/api/gogen/genroutes.go
index d63d3dfa..cb4edde5 100644
--- a/tools/goctl/api/gogen/genroutes.go
+++ b/tools/goctl/api/gogen/genroutes.go
@@ -3,6 +3,7 @@ package gogen
 import (
 	"bytes"
 	"fmt"
+	"os"
 	"path"
 	"sort"
 	"strings"
@@ -61,7 +62,7 @@ type (
 	}
 )
 
-func genRoutes(dir string, api *spec.ApiSpec, force bool) error {
+func genRoutes(dir string, api *spec.ApiSpec) error {
 	var builder strings.Builder
 	groups, err := getRoutes(api)
 	if err != nil {
@@ -121,11 +122,7 @@ func genRoutes(dir string, api *spec.ApiSpec, force bool) error {
 	}
 
 	filename := path.Join(dir, handlerDir, routesFilename)
-	if !force {
-		if err := util.RemoveOrQuit(filename); err != nil {
-			return err
-		}
-	}
+	os.Remove(filename)
 
 	fp, created, err := apiutil.MaybeCreateFile(dir, handlerDir, routesFilename)
 	if err != nil {
@@ -163,8 +160,7 @@ func genRouteImports(parentPkg string, api *spec.ApiSpec) string {
 					continue
 				}
 			}
-			importSet.AddStr(fmt.Sprintf("%s \"%s\"", folder,
-				util.JoinPackages(parentPkg, handlerDir, folder)))
+			importSet.AddStr(fmt.Sprintf("%s \"%s\"", toPrefix(folder), util.JoinPackages(parentPkg, handlerDir, folder)))
 		}
 	}
 	imports := importSet.KeysStr()
@@ -187,11 +183,11 @@ func getRoutes(api *spec.ApiSpec) ([]group, error) {
 			handler = getHandlerBaseName(handler) + "Handler(serverCtx)"
 			folder, ok := apiutil.GetAnnotationValue(r.Annotations, "server", groupProperty)
 			if ok {
-				handler = folder + "." + strings.ToUpper(handler[:1]) + handler[1:]
+				handler = toPrefix(folder) + "." + strings.ToUpper(handler[:1]) + handler[1:]
 			} else {
 				folder, ok = apiutil.GetAnnotationValue(g.Annotations, "server", groupProperty)
 				if ok {
-					handler = folder + "." + strings.ToUpper(handler[:1]) + handler[1:]
+					handler = toPrefix(folder) + "." + strings.ToUpper(handler[:1]) + handler[1:]
 				}
 			}
 			groupedRoutes.routes = append(groupedRoutes.routes, route{
@@ -215,3 +211,7 @@ func getRoutes(api *spec.ApiSpec) ([]group, error) {
 
 	return routes, nil
 }
+
+func toPrefix(folder string) string {
+	return strings.ReplaceAll(folder, "/", "")
+}
diff --git a/tools/goctl/api/gogen/gentypes.go b/tools/goctl/api/gogen/gentypes.go
index 99469ffe..c720b650 100644
--- a/tools/goctl/api/gogen/gentypes.go
+++ b/tools/goctl/api/gogen/gentypes.go
@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"os"
 	"path"
 	"strings"
 	"text/template"
@@ -42,18 +43,14 @@ func BuildTypes(types []spec.Type) (string, error) {
 	return builder.String(), nil
 }
 
-func genTypes(dir string, api *spec.ApiSpec, force bool) error {
+func genTypes(dir string, api *spec.ApiSpec) error {
 	val, err := BuildTypes(api.Types)
 	if err != nil {
 		return err
 	}
 
 	filename := path.Join(dir, typesDir, typesFile)
-	if !force {
-		if err := util.RemoveOrQuit(filename); err != nil {
-			return err
-		}
-	}
+	os.Remove(filename)
 
 	fp, created, err := apiutil.MaybeCreateFile(dir, typesDir, typesFile)
 	if err != nil {
diff --git a/tools/goctl/api/new/newservice.go b/tools/goctl/api/new/newservice.go
index e448db3b..b5f506c5 100644
--- a/tools/goctl/api/new/newservice.go
+++ b/tools/goctl/api/new/newservice.go
@@ -58,6 +58,6 @@ func NewService(c *cli.Context) error {
 		return err
 	}
 
-	err = gogen.DoGenProject(apiFilePath, abs, true)
+	err = gogen.DoGenProject(apiFilePath, abs)
 	return err
 }
diff --git a/tools/goctl/api/parser/entity.go b/tools/goctl/api/parser/entity.go
index 303fd815..eba95a51 100644
--- a/tools/goctl/api/parser/entity.go
+++ b/tools/goctl/api/parser/entity.go
@@ -76,7 +76,7 @@ memberLoop:
 				}
 				switch {
 				case isSpace(next):
-					if builder.Len() > 0 {
+					if builder.Len() > 0 && annoName == "" {
 						annoName = builder.String()
 						builder.Reset()
 					}
@@ -84,6 +84,7 @@ memberLoop:
 					if builder.Len() == 0 {
 						return errors.New("invalid annotation format")
 					}
+
 					if len(annoName) > 0 {
 						value := builder.String()
 						if value != string(leftParenthesis) {
diff --git a/tools/goctl/goctl.go b/tools/goctl/goctl.go
index 74ee6f12..224be3a8 100644
--- a/tools/goctl/goctl.go
+++ b/tools/goctl/goctl.go
@@ -98,10 +98,6 @@ var (
 							Name:  "api",
 							Usage: "the api file",
 						},
-						cli.BoolFlag{
-							Name:  "force",
-							Usage: "force override the exist files",
-						},
 					},
 					Action: gogen.GoCommand,
 				},