diff --git a/VPet-Simulator.Windows/MainWindow.cs b/VPet-Simulator.Windows/MainWindow.cs
index c1a7bd1..21587d3 100644
--- a/VPet-Simulator.Windows/MainWindow.cs
+++ b/VPet-Simulator.Windows/MainWindow.cs
@@ -433,7 +433,7 @@ namespace VPet_Simulator.Windows
             Set.PetData.SetDateTime("buytime_" + item.Name, now.AddHours(eattimes));
             //通知
             item.LoadEatTimeSource(this);
-            item.NotifyOfPropertyChange("Eattime");
+            item.NotifyOfPropertyChange("Description");
 
             Core.Save.Money -= item.Price;
             //统计
diff --git a/VPet-Simulator.Windows/WinDesign/winBetterBuy.xaml.cs b/VPet-Simulator.Windows/WinDesign/winBetterBuy.xaml.cs
index 5170bfb..576bd24 100644
--- a/VPet-Simulator.Windows/WinDesign/winBetterBuy.xaml.cs
+++ b/VPet-Simulator.Windows/WinDesign/winBetterBuy.xaml.cs
@@ -70,7 +70,7 @@ namespace VPet_Simulator.Windows
                     if (food != null)
                     {
                         food.LoadEatTimeSource(mw);
-                        food.NotifyOfPropertyChange("Eattime");
+                        food.NotifyOfPropertyChange("Description");
                     }
                 }
             }