diff --git a/Aucma.Core.ProductOffLine/Business/offLineBusiness.cs b/Aucma.Core.ProductOffLine/Business/offLineBusiness.cs
index 14e889a2..1a118d7a 100644
--- a/Aucma.Core.ProductOffLine/Business/offLineBusiness.cs
+++ b/Aucma.Core.ProductOffLine/Business/offLineBusiness.cs
@@ -17,20 +17,21 @@ namespace Aucma.Core.ProductOffLine.Business
     /// <summary>
     /// 入库业务逻辑
     /// </summary>
-    public class offLineBusiness
+    public class OffLineBusiness
     {
+
         #region 单例实现
-        //private static readonly InStoreBusiness lazy = new InStoreBusiness();
-        //public static InStoreBusiness Instance
-        //{
-        //    get
-        //    {
-        //        return lazy;
-        //    }
-        //}
+        private static readonly OffLineBusiness lazy = new OffLineBusiness();
+        public static OffLineBusiness Instance
+        {
+            get
+            {
+                return lazy;
+            }
+        }
         #endregion
 
-
+        System.Timers.Timer timer = new System.Timers.Timer(1000);
 
         #region 接口引用
 
@@ -52,12 +53,16 @@ namespace Aucma.Core.ProductOffLine.Business
 
         #endregion
 
-        public offLineBusiness()
+        public OffLineBusiness()
         {
             _baseBomInfoService = App.ServiceProvider.GetService<IBaseBomInfoServices>();
             BaseBomInfo bom =  _baseBomInfoService.FirstAsync().Result;
             Console.WriteLine();
 
+        }
+        public void test()
+        {
+
         }
     }
 }
diff --git a/Aucma.Core.ProductOffLine/ViewModels/IndexPageViewModel.cs b/Aucma.Core.ProductOffLine/ViewModels/IndexPageViewModel.cs
index d71dca43..9f20923a 100644
--- a/Aucma.Core.ProductOffLine/ViewModels/IndexPageViewModel.cs
+++ b/Aucma.Core.ProductOffLine/ViewModels/IndexPageViewModel.cs
@@ -44,11 +44,13 @@ namespace Aucma.Core.ProductOffLine.ViewModels
         private readonly IProductPlanInfoServices?  _productPlanInfoServices;
         private readonly IProductOffLineServices ? _productOffLineServices;
         System.Timers.Timer timer = new System.Timers.Timer(1000);
+        private OffLineBusiness offLineBusiness = OffLineBusiness.Instance;
         int a = 0;
         public IndexPageViewModel()
         {
-             offLineBusiness business = new offLineBusiness();
-            _productOffLineServices = App.ServiceProvider.GetService<IProductOffLineServices>();
+            offLineBusiness.test();
+       
+        _productOffLineServices = App.ServiceProvider.GetService<IProductOffLineServices>();
             _baseOrderInfoServices = App.ServiceProvider.GetService<IBaseOrderInfoServices>();
             _productPlanInfoServices = App.ServiceProvider.GetService<IProductPlanInfoServices>();           
             MvCodeHelper.ReceiveCodeEvent += ReceiveCode;