diff --git a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/service/policy/impl/PolicyInfoServiceImpl.java b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/service/policy/impl/PolicyInfoServiceImpl.java
index 36c245f..b6dc5dc 100644
--- a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/service/policy/impl/PolicyInfoServiceImpl.java
+++ b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/service/policy/impl/PolicyInfoServiceImpl.java
@@ -1,5 +1,6 @@
 package com.ruoyi.cms.service.policy.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.github.pagehelper.PageHelper;
 import com.github.pagehelper.PageInfo;
 import com.ruoyi.cms.domain.policy.PolicyInfo;
@@ -67,8 +68,10 @@ public class PolicyInfoServiceImpl implements IPolicyInfoService {
     @Override
     public PolicyInfo getDetail(Long id) {
         PolicyInfo policyInfo = policyInfoMapper.selectPolicyInfoById(id);
-        Industry industry = industryService.selectIndustryByIndustryId(Long.valueOf(policyInfo.getIndustryBigType()));
-        policyInfo.setIndustryBigTypeName(industry.getIndustryName());
+        if(StrUtil.isNotEmpty(policyInfo.getIndustryBigType())){
+            Industry industry = industryService.selectIndustryByIndustryId(Long.valueOf(policyInfo.getIndustryBigType()));
+            policyInfo.setIndustryBigTypeName(industry.getIndustryName());
+        }
         return policyInfo;
     }