修复员工资产空导入返回500问题

ccdi-info-collection/src/main/java/com/ruoyi/info/collection/controller/CcdiAssetInfoController.java

@@ -60,7 +60,7 @@ public class CcdiAssetInfoController extends BaseController {
     public AjaxResult importData(MultipartFile file) throws Exception {
         List<CcdiAssetInfoExcel> list = EasyExcelUtil.importExcel(file.getInputStream(), CcdiAssetInfoExcel.class);
         if (list == null || list.isEmpty()) {
-            return error("至少需要一条数据");
+            return warn("至少需要一条数据");
         }
 
         String taskId = assetInfoImportService.importAssetInfo(list);