bug

PerMgr/Tnb.PerMgr/PerProcessStandardsService.cs

@@ -233,12 +233,13 @@ namespace Tnb.PerMgr
                         MemoryStream ms = new MemoryStream();
                         
                         workbook.Write(ms);
-                        MemoryStream ms2 = new MemoryStream(ms.ToArray());
-                        ms2.Position = 0;
-                        // FileStreamResult fileStreamResult = new FileStreamResult(ms2, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet") { FileDownloadName = "导入报错说明.xlsx" };
-                        // return fileStreamResult;
                         string fileName = $"工艺标准导入报错{DateTime.Now.Ticks}.xlsx";
-                        await _fileManager.UploadFileByType(ms2, FileVariable.TemporaryFilePath, fileName);
+                        using (MemoryStream ms2 = new MemoryStream(ms.ToArray()))
+                        {
+                            ms2.Position = 0;
+                            await _fileManager.UploadFileByType(ms2, FileVariable.TemporaryFilePath, fileName);
+                            
+                        }
                         return new Dictionary<string, string>()
                         {
                             ["isSuccess"] = "false",