diff --git a/Myshipping.Application/Service/BookingOrder/BookingOrderService.cs b/Myshipping.Application/Service/BookingOrder/BookingOrderService.cs
index 310ce312..15626c99 100644
--- a/Myshipping.Application/Service/BookingOrder/BookingOrderService.cs
+++ b/Myshipping.Application/Service/BookingOrder/BookingOrderService.cs
@@ -1849,7 +1849,7 @@ namespace Myshipping.Application
                 {
                     Directory.CreateDirectory(fileFullPath);
                 }
-                fileName = $"{dicCate.Value}_{order.MBLNO}_{DateTime.Now.Ticks}"+ ".xlsx";//名称
+                fileName = $"{dicCate.Value}_{order.MBLNO}_{DateTime.Now.Ticks}"+ ".xls";//名称
                 _logger.LogInformation("导出excel:" + Path.Combine(fileFullPath, fileName));
                 var filestream = new FileStream(Path.Combine(fileFullPath, fileName), FileMode.OpenOrCreate, FileAccess.ReadWrite);
                 excelwork.Write(filestream);