diff --git a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/design/service/impl/DesCollectServiceImpl.java b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/design/service/impl/DesCollectServiceImpl.java
index a553251d..6cf5e5c0 100644
--- a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/design/service/impl/DesCollectServiceImpl.java
+++ b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/design/service/impl/DesCollectServiceImpl.java
@@ -283,7 +283,6 @@ public class DesCollectServiceImpl extends ServiceImpl<DesCollectMapper, DesColl
     @Override
     public void exportExcelByDeptId(Long deptId, HttpServletResponse response) {
         // 1. 从数据库查询下拉选项
-        List<String> userNameList = sysUserService.getUserNamesByDept(deptId);
         Map<Long, String> userIdToNameMapByDept = sysUserService.getUserIdToNameMapByDept(deptId);
 
 
@@ -320,7 +319,7 @@ public class DesCollectServiceImpl extends ServiceImpl<DesCollectMapper, DesColl
 
         // 绑定下拉列表（关联隐藏 Sheet）
         DataValidationHelper helper = mainSheet.getDataValidationHelper(); //为主Sheet第二列设置下拉列表（关联隐藏Sheet的B列）
-        String range = "DropdownData!$B$1:$B$" + userNameList.size(); //引用隐藏Sheet的B列数据范围：DropdownData!$B$1:$B$
+        String range = "DropdownData!$B$1:$B$" + userIdToNameMapByDept.size(); //引用隐藏Sheet的B列数据范围：DropdownData!$B$1:$B$
         DataValidationConstraint constraint = helper.createFormulaListConstraint(range); //创建下拉约束
         CellRangeAddressList addressList = new CellRangeAddressList(1, 300, 1, 1); // 支持100行数据
         //添加验证规则