到处判断

epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/controller/FactUserHouseController.java

@@ -51,6 +51,10 @@ public class FactUserHouseController {
     @GetMapping("export")
     public void export(@RequestParam Map<String, Object> params, HttpServletResponse response) throws Exception {
         List<FactUserHouseResultDTO> list = factUserHouseService.list(params);
+        if (list.isEmpty()) {
+            FactUserHouseResultDTO dto = new FactUserHouseResultDTO();
+            list.add(dto);
+        }
         ExcelUtils.exportExcelToTarget(response, null, list, FactUserHouseExcel.class);
     }