diff --git a/urbanops-module-garden/src/main/java/com/zteits/urbanops/module/garden/controller/admin/costfee/CostFeeController.java b/urbanops-module-garden/src/main/java/com/zteits/urbanops/module/garden/controller/admin/costfee/CostFeeController.java
index 579db2e..f390d6f 100644
--- a/urbanops-module-garden/src/main/java/com/zteits/urbanops/module/garden/controller/admin/costfee/CostFeeController.java
+++ b/urbanops-module-garden/src/main/java/com/zteits/urbanops/module/garden/controller/admin/costfee/CostFeeController.java
@@ -15,9 +15,8 @@ import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.poi.ss.usermodel.*;
-import org.apache.poi.ss.util.CellRangeAddress;
 import org.apache.poi.ss.util.CellRangeAddressList;
-import org.apache.poi.xssf.usermodel.*;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.core.io.Resource;
@@ -32,9 +31,7 @@ import java.io.InputStream;
 import java.io.OutputStream;
 import java.lang.reflect.Method;
 import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
 import java.util.*;
-import java.util.stream.Collectors;
 
 import static com.zteits.urbanops.framework.common.exception.enums.GlobalErrorCodeConstants.BAD_REQUEST;
 import static com.zteits.urbanops.framework.common.pojo.CommonResult.success;
@@ -124,7 +121,7 @@ public class CostFeeController{
              XSSFWorkbook workbook = new XSSFWorkbook(in);
              OutputStream out = response.getOutputStream()) {
 
-            XSSFSheet sheet = workbook.getSheetAt(0);
+             Sheet sheet = workbook.getSheetAt(0);
 
             // ==============================================
             // 获取最新单位列表
@@ -155,7 +152,7 @@ public class CostFeeController{
     /**
      * 创建下拉框 + 给单元格赋值
      */
-    private void createDropdownAndSetValue(XSSFSheet sheet, List<String> options, int startRow) {
+    private void createDropdownAndSetValue(Sheet sheet, List<String> options, int startRow) {
         if (options.isEmpty()) {
             log.error("下拉选项为空，不创建");
             return;
@@ -213,15 +210,16 @@ public class CostFeeController{
         // 创建下拉框（作用范围：startRow ~ 1000行）
         // ==============================================
         CellRangeAddressList regions = new CellRangeAddressList(startRow, endRow, targetCol, targetCol);
-        XSSFDataValidationHelper helper = new XSSFDataValidationHelper(sheet);
-        XSSFDataValidationConstraint constraint = (XSSFDataValidationConstraint) helper.createExplicitListConstraint(
+        DataValidationHelper helper = sheet.getDataValidationHelper();
+        DataValidationConstraint constraint = helper.createExplicitListConstraint(
                 options.toArray(new String[0])
         );
-        XSSFDataValidation validation = (XSSFDataValidation) helper.createValidation(constraint, regions);
-
+        DataValidation validation = helper.createValidation(constraint, regions);
         // 下拉框基础配置
         validation.setEmptyCellAllowed(true);
-        validation.setSuppressDropDownArrow(true);
+        validation.setSuppressDropDownArrow(true); // 显示箭头
+        validation.setShowErrorBox(true);
+        validation.setShowPromptBox(true); // 启用点击弹出提示
         sheet.addValidationData(validation);
 
         log.info("【成功】为列{}添加下拉并赋值，行{}~{}，选项数：{}",