diff --git a/WarehouseMgr/Tnb.WarehouseMgr/WmsSignForDeliveryService.cs b/WarehouseMgr/Tnb.WarehouseMgr/WmsSignForDeliveryService.cs
index 1806caf7..57e74063 100644
--- a/WarehouseMgr/Tnb.WarehouseMgr/WmsSignForDeliveryService.cs
+++ b/WarehouseMgr/Tnb.WarehouseMgr/WmsSignForDeliveryService.cs
@@ -72,7 +72,10 @@ namespace Tnb.WarehouseMgr
                     {
                         var loc = await _db.Queryable<BasLocation>().SingleAsync(it => it.id == carry.location_id);
                         loc.is_use = (int)EnumCarryStatus.空闲;
+                        carry.location_id = null;
+                        carry.location_code = null;
                         await _db.Updateable(loc).UpdateColumns(it => it.is_use).ExecuteCommandAsync();
+                        await _db.Updateable(carry).UpdateColumns(it => new { it.location_id,it.location_code }).ExecuteCommandAsync();
                     }
                     var disTask = await _db.Queryable<WmsDistaskH>().SingleAsync(it => it.id == input.disTaskId);
                     if (disTask != null)