diff --git a/game-server/app/services/chatService.ts b/game-server/app/services/chatService.ts
index c41b0ebad..9b8d94e94 100644
--- a/game-server/app/services/chatService.ts
+++ b/game-server/app/services/chatService.ts
@@ -188,7 +188,7 @@ async function recentGroupMsgs(roomId: string, count?: number) {
             }
         })
         : msgs;
-    return result || [];
+    return result.filter(cur => cur) || [];
 }
 
 /**