diff --git a/VPet-Simulator.Windows/Function/MWController.cs b/VPet-Simulator.Windows/Function/MWController.cs
index 4e0baea..e1d5987 100644
--- a/VPet-Simulator.Windows/Function/MWController.cs
+++ b/VPet-Simulator.Windows/Function/MWController.cs
@@ -16,38 +16,30 @@ namespace VPet_Simulator.Windows
             this.mw = mw;
         }
 
-        private bool _screenDetected = false;
-        private Rectangle _screenBorder;
-        private bool _isPrimaryScreen = true;
-        public bool IsPrimaryScreen
+        private static Rectangle _screenBorder;
+        private static bool _isPrimaryScreen = true;
+        public static bool IsPrimaryScreen
         {
             get
             {
-                if(!_screenDetected) DetectCurrentScreen();
                 return _isPrimaryScreen;
             }
         }
-        public Rectangle ScreenBorder
+        public static Rectangle ScreenBorder
         {
             get
             {
-                if (!_screenDetected) DetectCurrentScreen();
                 return _screenBorder;
             }
+            set
+            {
+                _screenBorder = value;
+                _isPrimaryScreen = false;
+            }
         }
-        private void DetectCurrentScreen()
+        public static void ResetScreenBorder()
         {
-            var windowInteropHelper = new WindowInteropHelper(mw);
-            var currentScreen = Screen.FromHandle(windowInteropHelper.Handle);
-            // TODO 多屏+非100%缩放下以上API跟Left、Top一样都是错的
-
-            _isPrimaryScreen = currentScreen.Primary;
-            _screenBorder = currentScreen.Bounds;
-            _screenDetected = true;
-        }
-        public void ClearScreenBorderCache()
-        {
-            _screenDetected = false;
+            _isPrimaryScreen = true;
         }
 
         public double GetWindowsDistanceLeft()
@@ -92,7 +84,6 @@ namespace VPet_Simulator.Windows
             {
                 mw.Left += X * ZoomRatio;
                 mw.Top += Y * ZoomRatio;
-                ClearScreenBorderCache();
             });
         }
 
diff --git a/VPet-Simulator.Windows/MainWindow.xaml.cs b/VPet-Simulator.Windows/MainWindow.xaml.cs
index 9931343..17c76eb 100644
--- a/VPet-Simulator.Windows/MainWindow.xaml.cs
+++ b/VPet-Simulator.Windows/MainWindow.xaml.cs
@@ -655,7 +655,6 @@ namespace VPet_Simulator.Windows
                     Main.DisplayToNomal();
                     Left = (SystemParameters.PrimaryScreenWidth - Width) / 2;
                     Top = (SystemParameters.PrimaryScreenHeight - Height) / 2;
-                    (Core.Controller as MWController).ClearScreenBorderCache();
                 }));
                 m_menu.MenuItems.Add(new MenuItem("反馈中心".Translate(), (x, y) => { new winReport(this).Show(); }));
                 m_menu.MenuItems.Add(new MenuItem("开发控制台".Translate(), (x, y) => { new winConsole(this).Show(); }));
diff --git a/VPet-Simulator.Windows/WinDesign/winGameSetting.xaml b/VPet-Simulator.Windows/WinDesign/winGameSetting.xaml
index 6f4fec0..7145431 100644
--- a/VPet-Simulator.Windows/WinDesign/winGameSetting.xaml
+++ b/VPet-Simulator.Windows/WinDesign/winGameSetting.xaml
@@ -377,6 +377,8 @@
                                 <RowDefinition Height="35" />
                                 <RowDefinition Height="35" />
                                 <RowDefinition Height="35" />
+                                <RowDefinition Height="35" />
+                                <RowDefinition Height="35" />
                             </Grid.RowDefinitions>
                             <pu:Switch x:Name="CalFunctionBox" Grid.Column="2" Background="Transparent"
                                     BorderBrush="{DynamicResource PrimaryDark}" BoxHeight="18" BoxWidth="35"
@@ -404,7 +406,7 @@
                                     <ComboBoxItem Content="Ill" />
                                 </ComboBox>
                             </Grid>
-                            <Grid Grid.Row="5" Grid.RowSpan="2" Grid.Column="2">
+                            <Grid Grid.Row="5" Grid.RowSpan="4" Grid.Column="2">
                                 <Grid.ColumnDefinitions>
                                     <ColumnDefinition Width="*" />
                                     <ColumnDefinition Width="*" />
@@ -491,7 +493,37 @@
                                     </ComboBoxItem>
                                 </ComboBox>
                             </Grid>
-
+                            <Grid Grid.Row="7" Grid.RowSpan="2" Grid.Column="3">
+                                <Grid.ColumnDefinitions>
+                                    <ColumnDefinition Width="*" />
+                                    <ColumnDefinition Width="*" />
+                                    <ColumnDefinition Width="*" />
+                                </Grid.ColumnDefinitions>
+                                <Grid.RowDefinitions>
+                                    <RowDefinition Height="35" />
+                                    <RowDefinition Height="35" />
+                                </Grid.RowDefinitions>
+                                <TextBlock Grid.Row="0" Text="{ll:Str '当前区域：'}"/>
+                                <TextBlock Grid.Column="1" Grid.ColumnSpan="2" Text="{ll:Str '主屏幕'}"/>
+                                <Button x:Name="BtnSetScreen_Default" Grid.Row="1" Grid.Column="0" Margin="5,5,5,5" Padding="1"
+                                    pu:ButtonHelper.CornerRadius="4" Background="{DynamicResource SecondaryLight}"
+                                    Click="BtnSetScreen_Default_Click" Content="{ll:Str 重置为主屏}"/>
+                                <Button x:Name="BtnSetScreen_DetectScreen" Grid.Row="1" Grid.Column="1" Margin="5,5,5,5" Padding="1"
+                                    pu:ButtonHelper.CornerRadius="4" Background="{DynamicResource SecondaryLight}"
+                                    Click="BtnSetScreen_DetectScreen_Click" Content="{ll:Str 设为桌宠屏幕}"
+                                    ToolTip="{ll:Str 当屏幕分辨率不为100%时可能识别有误}"/>
+                                <Button x:Name="BtnSetScreen_Window" Grid.Row="1" Grid.Column="2" Margin="5,5,5,5" Padding="1"
+                                    pu:ButtonHelper.CornerRadius="4" Background="{DynamicResource SecondaryLight}"
+                                    Click="BtnSetScreen_Window_Click" Content="{ll:Str 设为窗口范围}">
+                                    <Button.ToolTip>
+                                        <TextBlock>
+                                            <TextBlock Text="{ll:Str 使用设置窗口框选范围后点击}"/>
+                                            <LineBreak /> 
+                                            <TextBlock Text="{ll:Str 注：双击顶端可最大化设置页}"/>
+                                        </TextBlock>
+                                    </Button.ToolTip>
+                                </Button>
+                            </Grid>
                             <TextBlock Grid.Row="0" VerticalAlignment="Center" Text="{ll:Str 数据计算}" />
                             <TextBlock Grid.Row="1" VerticalAlignment="Center" Text="{ll:Str 显示状态}" />
                             <TextBlock Grid.Row="5" VerticalAlignment="Center" Text="{ll:Str 桌宠移动}" />
diff --git a/VPet-Simulator.Windows/WinDesign/winGameSetting.xaml.cs b/VPet-Simulator.Windows/WinDesign/winGameSetting.xaml.cs
index 3d5d4d8..2609522 100644
--- a/VPet-Simulator.Windows/WinDesign/winGameSetting.xaml.cs
+++ b/VPet-Simulator.Windows/WinDesign/winGameSetting.xaml.cs
@@ -615,6 +615,25 @@ namespace VPet_Simulator.Windows
             }
         }
 
+        private void BtnSetScreen_Default_Click(object sender, RoutedEventArgs e)
+        {
+            MWController.ResetScreenBorder();
+        }
+
+        private void BtnSetScreen_DetectScreen_Click(object sender, RoutedEventArgs e)
+        {
+            var windowInteropHelper = new System.Windows.Interop.WindowInteropHelper(mw);
+            var currentScreen = System.Windows.Forms.Screen.FromHandle(windowInteropHelper.Handle);
+            MWController.ScreenBorder = currentScreen.Bounds;
+        }
+
+        private void BtnSetScreen_Window_Click(object sender, RoutedEventArgs e)
+        {
+            MWController.ScreenBorder = new System.Drawing.Rectangle(
+                (int)Left, (int)Top, 
+                (int)Width, (int)Height
+            );
+        }
 
         private void hyper_moreInfo(object sender, RoutedEventArgs e)
         {