diff --git a/lzbi-module/src/main/java/com/lzbi/bi/controller/DcBusiHisReportController.java b/lzbi-module/src/main/java/com/lzbi/bi/controller/DcBusiHisReportController.java
index a97f0a3..4b13173 100644
--- a/lzbi-module/src/main/java/com/lzbi/bi/controller/DcBusiHisReportController.java
+++ b/lzbi-module/src/main/java/com/lzbi/bi/controller/DcBusiHisReportController.java
@@ -3,6 +3,7 @@ package com.lzbi.bi.controller;
 
 import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.io.IoUtil;
+import cn.hutool.poi.excel.BigExcelWriter;
 import cn.hutool.poi.excel.ExcelUtil;
 import cn.hutool.poi.excel.ExcelWriter;
 import com.alibaba.fastjson2.JSONObject;
@@ -244,10 +245,11 @@ public class DcBusiHisReportController extends BaseController {
     }
 
     private void toExcel(HttpServletResponse response,List<Map<String, Object>> mapList) throws IOException {
-        String fileName ="report"+DateUtil.now() + ".xls";
+        String fileName ="report"+DateUtil.now() + ".xlsx";
         response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
         response.setCharacterEncoding("utf-8");
-        ExcelWriter writer = ExcelUtil.getWriter(true);
+        //ExcelWriter writer = ExcelUtil.getWriter(true);
+        BigExcelWriter writer= ExcelUtil.getBigWriter();
         writer.write(mapList, true);
         //test.xls是弹出下载对话框的文件名，不能为中文，中文请自行编码
         //response.setHeader("Content-Disposition", "attachment;filename="+fileName);