修复修改attributes没有刷新缓存的问题

core/src/main/java/com/wecloud/im/service/impl/ImClientServiceImpl.java

@@ -395,7 +395,7 @@ public class ImClientServiceImpl extends BaseServiceImpl<ImClientMapper, ImClien
             throw new BusinessException("用户不存在");
         }
         targetClient.setAttributes(JSONObject.toJSONString(attributes));
-
+        deleteCacheImClient(appId, userId);
         return this.updateById(targetClient);
     }
 }