diff --git a/docker-compose.yml b/docker-compose.yml
index 10c2989..fd9e809 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ version: "3"
 
 services:
   gateway:
-    image: xuybin/go-api-gateway:1.0.0
+    image: xuybin/go-api-gateway:v1.0.0
     ports:
       - "8080:80"
     depends_on:
@@ -20,7 +20,7 @@ services:
         condition: on-failure
 
   api:
-    image: xuybin/go-mysql-api:1.0.0
+    image: xuybin/go-mysql-api:v1.0.0
     depends_on:
       - db
     links:
diff --git a/server/ends.go b/server/ends.go
index 8027142..6c55a9b 100644
--- a/server/ends.go
+++ b/server/ends.go
@@ -153,3 +153,11 @@ func (s *GatewayServer) removeRoleFromUser(c echo.Context) (err error) {
 }
 
 
+func (s *GatewayServer) upMetadata(c echo.Context) (err error) {
+	if err = s.Enforcer.LoadPolicy(); err != nil {
+		err=&ErrorMessage{ERR_PARAMETER, "parameter bind failed."}
+		return
+	}
+	return c.String(http.StatusOK,"")
+}
+
diff --git a/server/server.go b/server/server.go
index 203b389..d1b4ffa 100644
--- a/server/server.go
+++ b/server/server.go
@@ -105,6 +105,8 @@ func (s *GatewayServer) mountAuthorizationEndPoints() {
 	policy.GET("/group/", s.getGroupPolicies).Name = "Get Group Policies"
 	policy.PUT("/group/", s.addGroupPolicy).Name = "Add Group To User"
 	policy.DELETE("/group/", s.removeRoleFromUser).Name = "Remove Group From User"
+
+	policy.HEAD("/metadata/", s.upMetadata).Name = "Remove Group From User"
 }
 
 var userDefinitionModel="auth"