下载优化提示

performance/Performance.Api/Controllers/AllotController.cs

@@ -539,6 +539,12 @@ public IActionResult DownloadCurrentCalculationTable(int allotid)
             if (null == allot)
                 throw new PerformanceException("当前测算表不存在");
 
+            if (string.IsNullOrEmpty(allot.Path))
+                throw new PerformanceException("尚未提交测算表");
+
+            if (!FileHelper.IsExistFile(allot.Path))
+                throw new PerformanceException("测算表文件路径无效");
+
             var memoryStream = new MemoryStream();
             using (var stream = new FileStream(allot.Path, FileMode.Open))
             {