diff --git a/VPet-Simulator.Core/Display/MainDisplay.cs b/VPet-Simulator.Core/Display/MainDisplay.cs
index 7bebb93..4f17d35 100644
--- a/VPet-Simulator.Core/Display/MainDisplay.cs
+++ b/VPet-Simulator.Core/Display/MainDisplay.cs
@@ -502,7 +502,7 @@ namespace VPet_Simulator.Core
             GraphDisplayHandler?.Invoke(graph.GraphInfo);
             var PetGridTag = Dispatcher.Invoke(() => PetGrid.Tag);
             var PetGrid2Tag = Dispatcher.Invoke(() => PetGrid2.Tag);
-            if (PetGridTag == graph)
+            if (graph.Equals(PetGridTag))
             {
                 petgridcrlf = true;
                 ((IGraph)(PetGrid2Tag)).Stop(true);
@@ -514,7 +514,7 @@ namespace VPet_Simulator.Core
                 graph.Run(PetGrid, EndAction);//(x) => PetGrid.Child = x
                 return;
             }
-            else if (PetGrid2Tag == graph)
+            else if (graph.Equals(PetGrid2Tag))
             {
                 petgridcrlf = false;
                 ((IGraph)(PetGridTag)).Stop(true);
diff --git a/VPet-Simulator.Core/Graph/IGraph.cs b/VPet-Simulator.Core/Graph/IGraph.cs
index dcc58a7..9860cfe 100644
--- a/VPet-Simulator.Core/Graph/IGraph.cs
+++ b/VPet-Simulator.Core/Graph/IGraph.cs
@@ -7,7 +7,7 @@ namespace VPet_Simulator.Core
     /// <summary>
     /// 动画显示接口
     /// </summary>
-    public interface IGraph
+    public interface IGraph : IEquatable<object>
     {
         /// <summary>
         /// 从0开始运行该动画
diff --git a/VPet-Simulator.Core/Graph/PNGAnimation.cs b/VPet-Simulator.Core/Graph/PNGAnimation.cs
index efc5374..36a9075 100644
--- a/VPet-Simulator.Core/Graph/PNGAnimation.cs
+++ b/VPet-Simulator.Core/Graph/PNGAnimation.cs
@@ -330,7 +330,5 @@ namespace VPet_Simulator.Core
                 return new Task(() => Animations[0].Run(img, Control));
             });
         }
-
-        
     }
 }