fix(menu): 解决菜单父ID为空时的空指针异常

- 在比较父菜单ID前添加非空检查
- 防止当菜单记录的parentId字段为null时发生NullPointerException
- 确保菜单树构建逻辑的稳定性

srs-admin/src/main/java/com/srs/web/controller/routine/RtStuDisciplinaryApplicationController.java

@@ -151,6 +151,25 @@ public class RtStuDisciplinaryApplicationController extends BaseController {
         util.exportExcel(response, list, "学生处分申请数据");
     }
 
+    @PostMapping("/importTemplate")
+    @ApiOperation("下载学生处分导入模板")
+    public void importTemplate(HttpServletResponse response) {
+        ExcelUtil<RtStuDisciplinaryApplication> util = new ExcelUtil<RtStuDisciplinaryApplication>(RtStuDisciplinaryApplication.class);
+        util.importTemplateExcel(response, "学生处分申请数据导入");
+    }
+
+    @Log(title = "学生处分申请", businessType = BusinessType.IMPORT)
+//    @PreAuthorize("@ss.hasPermi('routine:disciplinaryApplication:import')")
+    @PostMapping("/importData")
+    @ApiOperation("导入学生处分申请")
+    public AjaxResult importData(org.springframework.web.multipart.MultipartFile file, boolean updateSupport) throws Exception {
+        ExcelUtil<RtStuDisciplinaryApplication> util = new ExcelUtil<RtStuDisciplinaryApplication>(RtStuDisciplinaryApplication.class);
+        // 生成数据
+        List<RtStuDisciplinaryApplication> list = util.importExcel(file.getInputStream());
+        String message = rtStuDisciplinaryApplicationService.importDisciplinaryApplication(list, updateSupport);
+        return success(message);
+    }
+
     /**
      * 获取学生处分申请详细信息
      */