better response

src/main/java/com/zzsn/knowbase/service/impl/KnowledgeServiceImpl.java

@@ -563,7 +563,7 @@ class KnowledgeServiceImpl implements IKnowledgeService {
             //文件校验
             if(!this.checkExcel(multipartFile)){
                 log.error("excel格式不对");
-                return Result.error("请按照模板上传！");
+                return Result.error("模版错误，请下载正确模板，再次上传！");
             }
             asyncService.doimport(request, fileSuffix, userId);
             return Result.OK("导入正在后台进行");