diff --git a/controllers/event_controller.go b/controllers/event_controller.go
index a8755d3c1..14f6b776e 100644
--- a/controllers/event_controller.go
+++ b/controllers/event_controller.go
@@ -100,9 +100,10 @@ func (c *EventController) TestWebsocket() {
 	clientUser[userID] = ws
 	for _, v := range messageGroups {
 		if len(clients[v.GroupID]) > 0 {
-
+			clients[v.GroupID][userID] = ws
+		} else {
+			clients[v.GroupID] = clientUser
 		}
-		clients[v.GroupID] = clientUser
 	}
 	db := dao.GetDB()
 	if globals.IsProductEnv() {