修改第三方库存功能连接不上第三方提示

src/main/java/com/glxp/api/controller/thrsys/ThrInvProductsController.java

@@ -1,5 +1,6 @@
 package com.glxp.api.controller.thrsys;
 
+import cn.hutool.core.util.StrUtil;
 import com.alibaba.fastjson.JSONObject;
 import com.alibaba.fastjson.TypeReference;
 import com.github.pagehelper.PageInfo;
@@ -187,6 +188,9 @@ public class ThrInvProductsController {
 
         try {
             String response = httpOkClient.uCloudPost(url, thrOnhandRequest, thrSystemEntity);
+            if(StrUtil.isEmpty(response)){
+                return ResultVOUtils.error(500, "连接第三方系统接口服务出错！");
+            }
             BaseResponse<PageSimpleResponse<ThrInvProductResponse>> udiDlDeviceResponse =
                     JSONObject.parseObject(response, new TypeReference<BaseResponse<PageSimpleResponse<ThrInvProductResponse>>>() {
                     });