diff --git a/WarehouseMgr/Tnb.WarehouseMgr/WmsPurchaseService.cs b/WarehouseMgr/Tnb.WarehouseMgr/WmsPurchaseService.cs
index c00e83ae..70a14f5f 100644
--- a/WarehouseMgr/Tnb.WarehouseMgr/WmsPurchaseService.cs
+++ b/WarehouseMgr/Tnb.WarehouseMgr/WmsPurchaseService.cs
@@ -33,7 +33,7 @@ namespace Tnb.WarehouseMgr
     /// 采购收货
     /// </summary>
     [OverideVisualDev(ModuleConsts.MODULE_WMSPURCHASE_ID)]
-    public class WmsPurchaseService : WmsPurchaseAndSaleCommonService<WmsPurchaseD>
+    public class WmsPurchaseService : WmsPurchaseAndSaleCommonService<WmsPurchaseD>, IWmsPurchaseService
     {
         private readonly ISqlSugarClient _db;
         private readonly IUserManager _userManager;