diff --git a/cmd/open_im_cms_api/main.go b/cmd/open_im_cms_api/main.go
index 20e6380db..d4889dc9d 100644
--- a/cmd/open_im_cms_api/main.go
+++ b/cmd/open_im_cms_api/main.go
@@ -15,6 +15,7 @@ func main() {
 	router := cms_api.NewGinRouter()
 	router.Use(utils.CorsHandler())
 	ginPort := flag.Int("port", 8000, "get ginServerPort from cmd,default 8000 as port")
+	flag.Parse()
 	fmt.Println("start cms api server, port: ", ginPort)
 	router.Run(":" + strconv.Itoa(*ginPort))
 }