修复选择专家提示系统异常问题

lift-ud-service/src/main/java/cn/com/ty/lift/ud/chat/service/impl/ChatSessionServiceImpl.java

@@ -124,7 +124,7 @@ public class ChatSessionServiceImpl extends ServiceImpl<ChatSessionMapper, ChatS
         queryWrapper.eq("user_id", req.getUserId());*/
         QueryWrapper<ChatSessionEntity> queryWrapper = new QueryWrapper<ChatSessionEntity>()
                 .eq("data_id", req.getDataId())
-                .last("find_in_set(" + req.getUserId() + ",user_id)");
+                .last("and find_in_set(" + req.getUserId() + ",user_id)");
         ChatSessionEntity data = sessionMapper.selectOne(queryWrapper);
 
         return RestResponse.success(data, "success");