diff --git a/bd-business/bd-business-system/src/main/java/com/hzs/system/config/service/impl/BdTradeConfigServiceImpl.java b/bd-business/bd-business-system/src/main/java/com/hzs/system/config/service/impl/BdTradeConfigServiceImpl.java
index aecaae9b..d2f5dd73 100644
--- a/bd-business/bd-business-system/src/main/java/com/hzs/system/config/service/impl/BdTradeConfigServiceImpl.java
+++ b/bd-business/bd-business-system/src/main/java/com/hzs/system/config/service/impl/BdTradeConfigServiceImpl.java
@@ -2,6 +2,7 @@ package com.hzs.system.config.service.impl;
 
 import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.util.ObjectUtil;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.hzs.common.core.enums.EYesNo;
@@ -132,10 +133,14 @@ public class BdTradeConfigServiceImpl extends ServiceImpl<BdTradeConfigMapper, B
     private List<BdTradeConfigDetailVO> gradeTransaction(String pkGradeStr, Map<Integer, BdGrade> gradeMap) {
         List<BdTradeConfigDetailVO> gradeDetailList = new ArrayList<>();
         BdTradeConfigDetailVO detailVO;
+        Integer defaultPkGrade = gradeMap.keySet().stream().findFirst().get();
         if (StringUtils.isNotEmpty(pkGradeStr)) {
             String[] pkGradeList = pkGradeStr.split(",");
             for (String pkGrade : pkGradeList) {
                 detailVO = new BdTradeConfigDetailVO();
+                if(ObjectUtil.isEmpty(gradeMap.get(Integer.parseInt(pkGrade)))){
+                    pkGrade = String.valueOf(defaultPkGrade);
+                }
                 detailVO.setPkGradeTrans(gradeMap.get(Integer.parseInt(pkGrade)).getPkTransaction());
                 gradeDetailList.add(detailVO);
             }