diff --git a/Myshipping.Application/Service/BookingSlot/BookingSlotService.cs b/Myshipping.Application/Service/BookingSlot/BookingSlotService.cs
index 8cf83d56..842fa39e 100644
--- a/Myshipping.Application/Service/BookingSlot/BookingSlotService.cs
+++ b/Myshipping.Application/Service/BookingSlot/BookingSlotService.cs
@@ -2760,6 +2760,10 @@ namespace Myshipping.Application
                         bkModel.MBLNO = newMblno;
                     }
                 }
+                else
+                {
+                    bkModel.MBLNO = bookingSlotBase.SLOT_BOOKING_NO.Trim();
+                }
                 _logger.LogInformation("根据舱位生成订舱，得到MBLNO:{MBLNO}", bkModel.MBLNO);
 
                 var ctnCodeList = _cache.GetAllCodeCtn().GetAwaiter().GetResult().ToList();