diff --git a/v2rayN/v2rayN/Views/AddServer2Window.xaml.cs b/v2rayN/v2rayN/Views/AddServer2Window.xaml.cs
index 5fd56159..71946c9d 100644
--- a/v2rayN/v2rayN/Views/AddServer2Window.xaml.cs
+++ b/v2rayN/v2rayN/Views/AddServer2Window.xaml.cs
@@ -11,6 +11,10 @@ namespace v2rayN.Views
         public AddServer2Window(ProfileItem profileItem)
         {
             InitializeComponent();
+
+            this.MaxWidth = SystemParameters.WorkArea.Width;
+            this.MaxHeight = SystemParameters.WorkArea.Height;
+
             this.Owner = Application.Current.MainWindow;
             this.Loaded += Window_Loaded;
             ViewModel = new AddServer2ViewModel(profileItem, this);
diff --git a/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs b/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs
index f16310e2..e75b304d 100644
--- a/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs
@@ -1,4 +1,5 @@
 using ReactiveUI;
+using System.Net.Security;
 using System.Reactive.Disposables;
 using System.Windows;
 using System.Windows.Controls;
@@ -15,6 +16,10 @@ namespace v2rayN.Views
         public AddServerWindow(ProfileItem profileItem)
         {
             InitializeComponent();
+
+            this.MaxWidth = SystemParameters.WorkArea.Width;
+            this.MaxHeight = SystemParameters.WorkArea.Height;
+
             this.Owner = Application.Current.MainWindow;
             this.Loaded += Window_Loaded;
             cmbNetwork.SelectionChanged += CmbNetwork_SelectionChanged;
diff --git a/v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs
index d95bc136..f23e32cb 100644
--- a/v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs
@@ -14,6 +14,10 @@ namespace v2rayN.Views
         public DNSSettingWindow()
         {
             InitializeComponent();
+
+            this.MaxWidth = SystemParameters.WorkArea.Width;
+            this.MaxHeight = SystemParameters.WorkArea.Height;
+
             this.Owner = Application.Current.MainWindow;
             _config = LazyConfig.Instance.GetConfig();
 
diff --git a/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs b/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs
index 15221b1d..f4c41538 100644
--- a/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs
@@ -16,6 +16,10 @@ namespace v2rayN.Views
         public GlobalHotkeySettingWindow()
         {
             InitializeComponent();
+
+            this.MaxWidth = SystemParameters.WorkArea.Width;
+            this.MaxHeight = SystemParameters.WorkArea.Height;
+
             this.Owner = Application.Current.MainWindow;
             _config = LazyConfig.Instance.GetConfig();
             _config.globalHotkeys ??= new List<KeyEventItem>();
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml b/v2rayN/v2rayN/Views/MainWindow.xaml
index ba961f66..1e731078 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml
@@ -15,8 +15,6 @@
     Title="v2rayN"
     Width="900"
     Height="700"
-    MinWidth="900"
-    MinHeight="700"
     x:TypeArguments="vms:MainWindowViewModel"
     Background="{DynamicResource MaterialDesignPaper}"
     FontFamily="{x:Static conv:MaterialDesignFonts.MyFont}"
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml.cs b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
index d98ab2d5..fad24fd2 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
@@ -25,6 +25,10 @@ namespace v2rayN.Views
         public MainWindow()
         {
             InitializeComponent();
+
+            this.MaxWidth = SystemParameters.WorkArea.Width;
+            this.MaxHeight = SystemParameters.WorkArea.Height;
+
             _config = LazyConfig.Instance.GetConfig();
 
             App.Current.SessionEnding += Current_SessionEnding;
diff --git a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
index 7d44263e..d29d06b7 100644
--- a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
@@ -18,6 +18,10 @@ namespace v2rayN.Views
         public OptionSettingWindow()
         {
             InitializeComponent();
+
+            this.MaxWidth = SystemParameters.WorkArea.Width;
+            this.MaxHeight = SystemParameters.WorkArea.Height;
+
             this.Owner = Application.Current.MainWindow;
             _config = LazyConfig.Instance.GetConfig();
 
diff --git a/v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml.cs b/v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml.cs
index 45d16c69..400bf64c 100644
--- a/v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml.cs
@@ -12,6 +12,10 @@ namespace v2rayN.Views
         public RoutingRuleDetailsWindow(RulesItem rulesItem)
         {
             InitializeComponent();
+
+            this.MaxWidth = SystemParameters.WorkArea.Width;
+            this.MaxHeight = SystemParameters.WorkArea.Height;
+
             this.Owner = Application.Current.MainWindow;
             this.Loaded += Window_Loaded;
             clbProtocol.SelectionChanged += ClbProtocol_SelectionChanged;
diff --git a/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs
index cfdb4432..5a0c8d88 100644
--- a/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs
@@ -13,6 +13,10 @@ namespace v2rayN.Views
         public RoutingRuleSettingWindow(RoutingItem routingItem)
         {
             InitializeComponent();
+
+            this.MaxWidth = SystemParameters.WorkArea.Width;
+            this.MaxHeight = SystemParameters.WorkArea.Height;
+
             this.Owner = Application.Current.MainWindow;
             this.Loaded += Window_Loaded;
             this.PreviewKeyDown += RoutingRuleSettingWindow_PreviewKeyDown;
diff --git a/v2rayN/v2rayN/Views/RoutingSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/RoutingSettingWindow.xaml.cs
index 0f001dc9..8d4d712c 100644
--- a/v2rayN/v2rayN/Views/RoutingSettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/RoutingSettingWindow.xaml.cs
@@ -12,6 +12,10 @@ namespace v2rayN.Views
         public RoutingSettingWindow()
         {
             InitializeComponent();
+
+            this.MaxWidth = SystemParameters.WorkArea.Width;
+            this.MaxHeight = SystemParameters.WorkArea.Height;
+
             this.Owner = Application.Current.MainWindow;
             this.Closing += RoutingSettingWindow_Closing;
             this.PreviewKeyDown += RoutingSettingWindow_PreviewKeyDown;
diff --git a/v2rayN/v2rayN/Views/SubEditWindow.xaml.cs b/v2rayN/v2rayN/Views/SubEditWindow.xaml.cs
index 00187ce1..4021d176 100644
--- a/v2rayN/v2rayN/Views/SubEditWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/SubEditWindow.xaml.cs
@@ -11,6 +11,10 @@ namespace v2rayN.Views
         public SubEditWindow(SubItem subItem)
         {
             InitializeComponent();
+
+            this.MaxWidth = SystemParameters.WorkArea.Width;
+            this.MaxHeight = SystemParameters.WorkArea.Height;
+
             this.Owner = Application.Current.MainWindow;
             this.Loaded += Window_Loaded;
 
diff --git a/v2rayN/v2rayN/Views/SubSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/SubSettingWindow.xaml.cs
index 7f4eee58..57d4b86a 100644
--- a/v2rayN/v2rayN/Views/SubSettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/SubSettingWindow.xaml.cs
@@ -13,6 +13,10 @@ namespace v2rayN.Views
         public SubSettingWindow()
         {
             InitializeComponent();
+
+            this.MaxWidth = SystemParameters.WorkArea.Width;
+            this.MaxHeight = SystemParameters.WorkArea.Height;
+
             this.Owner = Application.Current.MainWindow;
 
             ViewModel = new SubSettingViewModel(this);