diff --git a/Myshipping.Application/Service/BookingOrder/BookingOrderService.cs b/Myshipping.Application/Service/BookingOrder/BookingOrderService.cs
index 74ac294e..67d1c7f8 100644
--- a/Myshipping.Application/Service/BookingOrder/BookingOrderService.cs
+++ b/Myshipping.Application/Service/BookingOrder/BookingOrderService.cs
@@ -1987,37 +1987,40 @@ namespace Myshipping.Application
         public async Task<dynamic> SendLetterYard(long bookingId)
         {
             var entity = _repLetterYard.AsQueryable().Filter(null, true).First(x => x.BookingId == bookingId);
-            var json = entity.ToJsonString();
-            try
-            {
-                const string MqActionExchangeName = "djy.output.dingcang.ds6";
-                const string MqActionQueueName = "djy.output.dingcang.ds6_fangcang";
-                ConnectionFactory factory = new ConnectionFactory();
-                factory.Uri = new Uri(_cache.GetAllDictData().Result.Where(x => x.Code == "BookingOrderMQUri").Select(x => x.Value).FirstOrDefault());
-
-                using (IConnection conn = factory.CreateConnection())
+            if (entity!=null) {
+                var json = entity.ToJsonString();
+                try
                 {
-                    IModel mqModel = conn.CreateModel();
-                    mqModel.ExchangeDeclare(MqActionExchangeName, ExchangeType.Direct);
-                    var queueName = $"{MqActionQueueName}.{UserManager.TENANT_ID}";
-                    mqModel.QueueDeclare(queueName, false, false, false, null);
-                    mqModel.QueueBind(queueName, MqActionExchangeName, queueName, null);
-                    byte[] messageBodyBytes = Encoding.UTF8.GetBytes(json);
-                    IBasicProperties props = mqModel.CreateBasicProperties();
-                    props.DeliveryMode = 2;
-                    mqModel.BasicPublish(MqActionExchangeName,
-                                     queueName, props,
-                                     messageBodyBytes);
-                    conn.Close();
-                    _logger.LogInformation($"放舱数据回推，已发送数据到消息队列【{_cache.GetAllDictData().Result.Where(x => x.Code == "BookingOrderMQUri").Select(x => x.Value).FirstOrDefault()}】，数据内容：【{json}】");
+                    const string MqActionExchangeName = "djy.output.dingcang.ds6";
+                    const string MqActionQueueName = "djy.output.dingcang.ds6_fangcang";
+                    ConnectionFactory factory = new ConnectionFactory();
+                    factory.Uri = new Uri(_cache.GetAllDictData().Result.Where(x => x.Code == "BookingOrderMQUri").Select(x => x.Value).FirstOrDefault());
+
+                    using (IConnection conn = factory.CreateConnection())
+                    {
+                        IModel mqModel = conn.CreateModel();
+                        mqModel.ExchangeDeclare(MqActionExchangeName, ExchangeType.Direct);
+                        var queueName = $"{MqActionQueueName}.{UserManager.TENANT_ID}";
+                        mqModel.QueueDeclare(queueName, false, false, false, null);
+                        mqModel.QueueBind(queueName, MqActionExchangeName, queueName, null);
+                        byte[] messageBodyBytes = Encoding.UTF8.GetBytes(json);
+                        IBasicProperties props = mqModel.CreateBasicProperties();
+                        props.DeliveryMode = 2;
+                        mqModel.BasicPublish(MqActionExchangeName,
+                                         queueName, props,
+                                         messageBodyBytes);
+                        conn.Close();
+                        _logger.LogInformation($"放舱数据回推，已发送数据到消息队列【{_cache.GetAllDictData().Result.Where(x => x.Code == "BookingOrderMQUri").Select(x => x.Value).FirstOrDefault()}】，数据内容：【{json}】");
+                    }
                 }
-            }
-            catch (Exception ex)
-            {
-                _logger.LogError(ex.Message);
-                _logger.LogError(ex.StackTrace);
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex.Message);
+                    _logger.LogError(ex.StackTrace);
 
+                }
             }
+           
             return null;
         }