diff --git a/HKCardOUT/ViewModels/AdWindowViewModel.cs b/HKCardOUT/ViewModels/AdWindowViewModel.cs
index 0828f9e..80a2850 100644
--- a/HKCardOUT/ViewModels/AdWindowViewModel.cs
+++ b/HKCardOUT/ViewModels/AdWindowViewModel.cs
@@ -23,6 +23,7 @@ namespace HKCardOUT.ViewModels
             {
                 Foods.Add("");
             }
+          
         }
 
         #region 属性
@@ -34,9 +35,9 @@ namespace HKCardOUT.ViewModels
         private AdInfoModel _mRAdinfo = new AdInfoModel();
 
         public ObservableCollection<string> Foods { get; set; } = new ObservableCollection<string>();
+        #endregion
 
 
-        #endregion
 
         void FoodsInit(int[] ScreenLoc)
         {
@@ -60,6 +61,15 @@ namespace HKCardOUT.ViewModels
         {
             FoodsInit(BindScreen);
 
+            ThreadManage.GetInstance().StartLong(() => {
+                if (DateTime.Now.Hour == 16)
+                {
+                    LAdInfo.AInfo = new ObservableCollection<ScreenInfoDto>();
+                    RAdinfo.AInfo = new ObservableCollection<ScreenInfoDto>();
+                }
+                Thread.Sleep(5000);
+            }, "清理屏幕数据", true);
+
             ThreadManage.GetInstance().StartLong(() =>
             {
                 var model = (new HKCore()).PullDaySaleLog(BindScreen);