diff --git a/VPet-Simulator.Core/Graph/FoodAnimation.cs b/VPet-Simulator.Core/Graph/FoodAnimation.cs
index 35c2685..e97af9b 100644
--- a/VPet-Simulator.Core/Graph/FoodAnimation.cs
+++ b/VPet-Simulator.Core/Graph/FoodAnimation.cs
@@ -284,10 +284,8 @@ namespace VPet_Simulator.Core
                 var t1 = FL?.Run(FoodGrid.Front);
                 var t2 = BL?.Run(FoodGrid.Back);
                 FoodGrid.Food.Source = image;
-                if (t1 != null)
-                    t1.Start();
-                if (t2 != null)
-                    t2.Start();
+                t1?.Start();
+                t2?.Start();
                 Task.Run(() => Animations[0].Run(FoodGrid.Food, EndAction));
             });
         }
diff --git a/VPet-Simulator.Windows.Interface/Setting.cs b/VPet-Simulator.Windows.Interface/Setting.cs
index 06fcf25..7b21382 100644
--- a/VPet-Simulator.Windows.Interface/Setting.cs
+++ b/VPet-Simulator.Windows.Interface/Setting.cs
@@ -135,7 +135,7 @@ namespace VPet_Simulator.Windows.Interface
         /// </summary>
         public int AutoSaveInterval
         {
-            get => Math.Max(GetInt("autosave", 20), 0);
+            get => Math.Max(GetInt("autosave", 10), -1);
             set => SetInt("autosave", value);
         }
         /// <summary>
@@ -143,7 +143,7 @@ namespace VPet_Simulator.Windows.Interface
         /// </summary>
         public int BackupSaveMaxNum
         {
-            get => Math.Max(GetInt("bakupsave", 20), 1);
+            get => Math.Max(GetInt("bakupsave", 30), 1);
             set => SetInt("bakupsave", value);
         }
         /// <summary>
diff --git a/VPet-Simulator.Windows/WinDesign/winGameSetting.xaml b/VPet-Simulator.Windows/WinDesign/winGameSetting.xaml
index 6f4fec0..015f0f3 100644
--- a/VPet-Simulator.Windows/WinDesign/winGameSetting.xaml
+++ b/VPet-Simulator.Windows/WinDesign/winGameSetting.xaml
@@ -239,6 +239,11 @@
                                     <system:Int32>-1</system:Int32>
                                 </ComboBoxItem.Tag>
                             </ComboBoxItem>
+                            <ComboBoxItem Content="{ll:Str 每2分钟一次}">
+                                <ComboBoxItem.Tag>
+                                    <system:Int32>2</system:Int32>
+                                </ComboBoxItem.Tag>
+                            </ComboBoxItem>
                             <ComboBoxItem Content="{ll:Str 每5分钟一次}">
                                 <ComboBoxItem.Tag>
                                     <system:Int32>5</system:Int32>