（提取时）excel如果没有筛选 保存报错问题处理

performance/Performance.Services/ExtractExcelService/ExtractHelper/ExtractHelper.cs

@@ -211,18 +211,24 @@ public static void CloseAutoFilter(string path)
                     ExcelWorkbook workbook = package.Workbook;
 
                     if (workbook == null) return;
+                    bool shouldSave = false; // 标志是否需要保存文件
                     foreach (var sheet in workbook.Worksheets)
                     {
                         if (sheet.AutoFilterAddress != null)
                         {
                             sheet.Cells[sheet.AutoFilterAddress.Address].AutoFilter = false;
+                            shouldSave = true; // 设置标志为需要保存文件
                         }
                     }
-                    package.Save();
+                    if (shouldSave)
+                    {
+                        package.Save();
+                    }
                 }
             }
             catch (Exception)
             {
+
             }
         }