diff --git a/WarehouseMgr/Tnb.WarehouseMgr/WmsPurchaseService.cs b/WarehouseMgr/Tnb.WarehouseMgr/WmsPurchaseService.cs
index 1fe6279c..d6348e64 100644
--- a/WarehouseMgr/Tnb.WarehouseMgr/WmsPurchaseService.cs
+++ b/WarehouseMgr/Tnb.WarehouseMgr/WmsPurchaseService.cs
@@ -9,6 +9,7 @@ using JNPF.Common.Security;
 using JNPF.DependencyInjection;
 using JNPF.FriendlyException;
 using JNPF.Logging;
+using JNPF.Systems.Interfaces.System;
 using JNPF.VisualDev;
 using Mapster;
 using Microsoft.AspNetCore.Mvc;
@@ -35,6 +36,7 @@ namespace Tnb.WarehouseMgr
     [OverideVisualDev(ModuleConsts.MODULE_WMSPURCHASE_ID)]
     public class WmsPurchaseService : WmsPurchaseAndSaleCommonService<WmsPurchaseD>, IWmsPurchaseService
     {
+        private readonly IBillRullService _billRullService;
         private readonly ISqlSugarClient _db;
         private readonly IUserManager _userManager;
         public WmsPurchaseService(ISqlSugarRepository<WmsPurchaseH> repo, IUserManager userManager, IQcCheckPlanService qcCheckPlanService)
@@ -72,6 +74,7 @@ namespace Tnb.WarehouseMgr
                 {
                     instock = input.Adapt<WmsInstockH>();
                     instock.id = SnowflakeIdHelper.NextId();
+                    instock.bill_code = await _billRullService.GetBillNumber(WmsWareHouseConst.WMS_INSTOCK_ENCODE);
                     instock.create_id = _userManager.UserId;
                     instock.create_time = DateTime.Now;
                     instock.org_id = _userManager.User.OrganizeId;