feat: 优化database数据表查询

src/main/java/cn/com/poc/thirdparty/service/impl/ChainServiceImpl.java

 package cn.com.poc.thirdparty.service.impl;
 
+import cn.com.poc.common.utils.StringUtils;
 import cn.com.poc.thirdparty.resource.demand.ai.aggregate.AIDialogueService;
 import cn.com.poc.thirdparty.resource.demand.ai.entity.dbchain.DBChainResponse;
 import cn.com.poc.thirdparty.resource.demand.ai.entity.dbchain.DBChainResult;
@@ -30,6 +31,10 @@ public class ChainServiceImpl implements ChainService {
             logger.error("dbChain result error : {} , response:{}", dbChainResult, response);
             return null;
         }
+        if (StringUtils.isBlank(dbChainResult.getSqlResult())) {
+            logger.warn("dbChain result sqlResult is blank : {} , response:{}", dbChainResult, response);
+            return null;
+        }
         return dbChainResult;
     }