diff --git a/yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/util/ExcelUtils.java b/yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/util/ExcelUtils.java
index 44a1929..4535cba 100644
--- a/yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/util/ExcelUtils.java
+++ b/yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/util/ExcelUtils.java
@@ -4,6 +4,7 @@ import cn.iocoder.yudao.framework.common.util.http.HttpUtils;
 import cn.iocoder.yudao.framework.excel.core.handler.SelectSheetWriteHandler;
 import com.alibaba.excel.EasyExcel;
 import com.alibaba.excel.converters.longconverter.LongStringConverter;
+import com.alibaba.excel.support.ExcelTypeEnum;
 import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
 import jakarta.servlet.http.HttpServletResponse;
 import org.springframework.web.multipart.MultipartFile;
@@ -54,4 +55,45 @@ public class ExcelUtils {
                 .doReadAllSync();
     }
 
+
+    /**
+     * 将列表以 CSV 响应给前端
+     *
+     * @param response  响应
+     * @param filename  文件名
+     * @param sheetName Excel sheet 名
+     * @param head      Excel head 头
+     * @param data      数据列表哦
+     * @param <T>       泛型，保证 head 和 data 类型的一致性
+     * @throws IOException 写入失败的情况
+     */
+    public static <T> void writeCSV(HttpServletResponse response, String filename, String sheetName,
+                                 Class<T> head, List<T> data) throws IOException {
+        response.setHeader("Content-Disposition", "attachment;filename=" + HttpUtils.encodeUtf8(filename));
+//        response.setContentType("application/vnd.ms-excel;charset=UTF-8");
+        response.setContentType("application/vnd.opencmlformats-officedocument.spreadsheetml.sheet");
+        // 输出 Excel
+        EasyExcel.write(response.getOutputStream(), head)
+                .excelType(ExcelTypeEnum.CSV)
+                .autoCloseStream(false) // 不要自动关闭，交给 Servlet 自己处理
+                .registerWriteHandler(new LongestMatchColumnWidthStyleStrategy()) // 基于 column 长度，自动适配。最大 255 宽度
+                .registerWriteHandler(new SelectSheetWriteHandler(head)) // 基于固定 sheet 实现下拉框
+                .registerConverter(new LongStringConverter()) // 避免 Long 类型丢失精度
+                .sheet(sheetName).doWrite(data);
+
+        // 设置 header 和 contentType。写在最后的原因是，避免报错时，响应 contentType 已经被修改了
+        response.setHeader("Content-Disposition", "attachment;filename=" + HttpUtils.encodeUtf8(filename));
+//        response.setContentType("application/vnd.ms-excel;charset=UTF-8");
+        response.setContentType("application/vnd.opencmlformats-officedocument.spreadsheetml.sheet");
+
+    }
+
+
+    public static <T> List<T> readCSV(MultipartFile file, Class<T> head) throws IOException {
+        return EasyExcel.read(file.getInputStream(), head, null)
+                .excelType(ExcelTypeEnum.CSV)
+                .autoCloseStream(false)  // 不要自动关闭，交给 Servlet 自己处理
+                .doReadAllSync();
+    }
+
 }
diff --git a/yudao-module-alert/yudao-module-alert-biz/src/main/java/cn/iocoder/yudao/module/alert/controller/admin/exa/EXAController.java b/yudao-module-alert/yudao-module-alert-biz/src/main/java/cn/iocoder/yudao/module/alert/controller/admin/exa/EXAController.java
index 56e98e3..e91b1d0 100644
--- a/yudao-module-alert/yudao-module-alert-biz/src/main/java/cn/iocoder/yudao/module/alert/controller/admin/exa/EXAController.java
+++ b/yudao-module-alert/yudao-module-alert-biz/src/main/java/cn/iocoder/yudao/module/alert/controller/admin/exa/EXAController.java
@@ -105,8 +105,13 @@ public class EXAController {
                 Point.builder().ItemName("gbqegj").GroupName("test").ItemType(5).Descriptor("fqnewfej")
                         .EngUnits("ge").Source("批量录入").AutoSave(true).build()
         );
-        // 输出
-        ExcelUtils.write(response, "用户导入模板.xls", "测点列表", Point.class, list);
+
+
+        // 输出excel
+//        ExcelUtils.write(response, "用户导入模板.xls", "测点列表", Point.class, list);
+        //输出csv
+        ExcelUtils.writeCSV(response, "用户导入模板.csv", "测点列表", Point.class, list);
+
     }
 
     @PostMapping("/import")
@@ -119,7 +124,7 @@ public class EXAController {
     public CommonResult<EXAPointImportRespVO> importExcel(@RequestParam("file") MultipartFile file,
                                                           @RequestParam(value = "updateSupport", required = false, defaultValue = "false") Boolean updateSupport) throws Exception {
         System.out.println(file);
-        List<Point> list = ExcelUtils.read(file, Point.class);
+        List<Point> list = ExcelUtils.readCSV(file, Point.class);
         return success(exaService.importPointList(list, updateSupport));
     }