update

app/service/chat.js

@@ -25,7 +25,7 @@ class ChatService extends CrudService {
         headers: {
           userid: 1,
         } };
-      await mq.topic(exchange, '1', res.data, parm);
+      await mq.topic(exchange, '1', JSON.stringify(res), parm);
     }
     return res;
   }