放舱判断

Myshipping.Application/Service/BookingOrder/BookingOrderService.cs

@@ -1987,6 +1987,7 @@ namespace Myshipping.Application
         public async Task<dynamic> SendLetterYard(long bookingId)
         {
             var entity = _repLetterYard.AsQueryable().Filter(null, true).First(x => x.BookingId == bookingId);
+            if (entity!=null) {
                 var json = entity.ToJsonString();
                 try
                 {
@@ -2018,6 +2019,8 @@ namespace Myshipping.Application
                     _logger.LogError(ex.StackTrace);
 
                 }
+            }
+           
             return null;
         }