diff --git a/WarehouseMgr/Tnb.WarehouseMgr/WmsEmptyOutstockService .cs b/WarehouseMgr/Tnb.WarehouseMgr/WmsEmptyOutstockService .cs
index b5e68a47..d9723a8d 100644
--- a/WarehouseMgr/Tnb.WarehouseMgr/WmsEmptyOutstockService .cs	
+++ b/WarehouseMgr/Tnb.WarehouseMgr/WmsEmptyOutstockService .cs	
@@ -77,7 +77,7 @@ namespace Tnb.WarehouseMgr
                 var endLocations = await _wareHouseService.InStockStrategy(inStockStrategyInput);*/
 
                 //出库取起点，获取所有符合输入的载具规格的载具
-                var setQty = await _db.Queryable<WmsEmptyOutstockH>().FirstAsync(it => it.bill_code == input.data[nameof(WmsEmptyOutstockH.bill_code)]);
+                var setQty = await _db.Queryable<WmsEmptyOutstockH>().FirstAsync(it => it.bill_code == input.data[nameof(WmsEmptyOutstockH.bill_code)].ToString());
                 var carrys = await _db.Queryable<WmsCarryH>().LeftJoin<BasLocation>((a, b) => a.location_id == b.id)
                         .Select((a,b) => new
                         {