diff --git a/evo-admin/src/main/java/com/evo/finance/service/impl/RzSalaryDetailServiceImpl.java b/evo-admin/src/main/java/com/evo/finance/service/impl/RzSalaryDetailServiceImpl.java
index 501c657..a6eac08 100644
--- a/evo-admin/src/main/java/com/evo/finance/service/impl/RzSalaryDetailServiceImpl.java
+++ b/evo-admin/src/main/java/com/evo/finance/service/impl/RzSalaryDetailServiceImpl.java
@@ -636,6 +636,17 @@ public class RzSalaryDetailServiceImpl extends ServiceImpl<RzSalaryDetailMapper,
                 .eq(SysDept::getDeptName,"销售部");
         SysDept sysDept = deptMapper.selectOne(wa);
 
+ 
+        if (!attendanceList.isEmpty()) {
+            Date month = attendanceList.get(0).getDate();
+            List<RzSalaryDetail> existingDetails = rzSalaryDetailMapper.selectSalaryDetailByDeptId(sysDept.getDeptId(), month);
+            for (RzSalaryDetail detail : existingDetails) {
+                detail.setSalesCommission(new BigDecimal("0"));
+                detail.setUpdateTime(DateUtils.getNowDate());
+                detail.setUpdateBy(SecurityUtils.getUsername());
+                rzSalaryDetailMapper.updateById(detail);
+            }
+        }
 
         //更新工资单详情,写入销售提成
         for (RzSalaryVo rzSalaryVo : attendanceList) {
@@ -676,11 +687,14 @@ public class RzSalaryDetailServiceImpl extends ServiceImpl<RzSalaryDetailMapper,
     private  List<SalaryVo> buildExportData(RzSalaryDetail rzSalaryDetail) {
        // 获取所有部门列表
         List<SysDept> deptList = deptMapper.selectList(new LambdaQueryWrapper<SysDept>());
-
+        //部门列表转换为部门ID到部门名称的映射
         Map<Long, String> deptNameMap = deptList.stream().collect(Collectors.toMap(SysDept::getDeptId, SysDept::getDeptName));
+        //键为部门ID，值为部门名称，用于快速查找父部门为根部门（ID为0）的部门名称
         Map<String, String> nameAndDeptIdMap = deptList.stream().filter(d -> d.getParentId().equals(0l)).collect(Collectors.toMap(d->String.valueOf(d.getDeptId()), SysDept::getDeptName));
         Map<Long, String> companyNameMap = Collections.emptyMap();
+        // 过滤出所有非根部门（即parentId不等于0的部门），并为每个部门执行以下操作
         deptList.stream().filter(d -> !d.getParentId().equals(0l)).forEach(d ->{
+            // 将当前部门的祖ID字符串拆分成List以便后续处理
             List<String> parentIdList = Collections.asList(d.getAncestors().split(","));
             Iterator<String> it = nameAndDeptIdMap.keySet().iterator();
             while (it.hasNext()){