diff --git a/business/jxstore/event/event.go b/business/jxstore/event/event.go
index f4721a384..a28431256 100644
--- a/business/jxstore/event/event.go
+++ b/business/jxstore/event/event.go
@@ -145,7 +145,7 @@ func CreateMessageGroup(ctx *jxcontext.Context, userID, userID2 string) (err err
 				GroupID: groupID,
 			}
 			dao.GetEntity(db, temp, "GroupID")
-			if temp == nil {
+			if temp.UserID == "" {
 				break
 			}
 		}