diff --git a/WarehouseMgr/Tnb.WarehouseMgr/WmsSignForDeliveryService.cs b/WarehouseMgr/Tnb.WarehouseMgr/WmsSignForDeliveryService.cs
index 6cb7f10d..91ea0b17 100644
--- a/WarehouseMgr/Tnb.WarehouseMgr/WmsSignForDeliveryService.cs
+++ b/WarehouseMgr/Tnb.WarehouseMgr/WmsSignForDeliveryService.cs
@@ -132,6 +132,7 @@ namespace Tnb.WarehouseMgr
             var isSuccessFul = false;
             if (input.IsNull()) throw new ArgumentNullException("input");
             var signInput = input.Adapt<SignForDeliveryInput>();
+            if(signInput.carryId.IsNotEmptyOrNull()) signInput.carryId = "";
             try
             {
                 await SignForDelivery(signInput);