diff --git a/src/App.xaml.cs b/src/App.xaml.cs
index 267d5e98..1528ae9b 100644
--- a/src/App.xaml.cs
+++ b/src/App.xaml.cs
@@ -73,12 +73,6 @@ namespace SourceGit {
             // 主界面显示
             MainWindow = launcher;
             MainWindow.Show();
-
-            // 检测版本更新
-            Models.Version.Check(ver => Dispatcher.Invoke(() => {
-                var dialog = new Views.Upgrade(ver) { Owner = MainWindow };
-                dialog.ShowDialog();
-            }));
         }
 
         /// <summary>
diff --git a/src/Models/Preference.cs b/src/Models/Preference.cs
index 7e4141b6..4907796c 100644
--- a/src/Models/Preference.cs
+++ b/src/Models/Preference.cs
@@ -63,16 +63,6 @@ namespace SourceGit.Models {
             /// </summary>
             public bool UseDarkTheme { get; set; } = true;
 
-            /// <summary>
-            ///     启用更新检测
-            /// </summary>
-            public bool CheckForUpdate { get; set; } = true;
-
-            /// <summary>
-            ///     上一次检测的时间（用于控制每天仅第一次启动软件时，检测）
-            /// </summary>
-            public int LastCheckDay { get; set; } = 0;
-
             /// <summary>
             ///     起始页仓库列表排序规则
             /// </summary>
diff --git a/src/Models/Version.cs b/src/Models/Version.cs
deleted file mode 100644
index a6cf963a..00000000
--- a/src/Models/Version.cs
+++ /dev/null
@@ -1,69 +0,0 @@
-using System;
-using System.Reflection;
-using System.Text.Json;
-using System.Text.Json.Serialization;
-using System.Text.RegularExpressions;
-using System.Threading.Tasks;
-using System.Net.Http;
-
-namespace SourceGit.Models {
-
-    /// <summary>
-    ///     Github开放API中Release信息格式
-    /// </summary>
-    public class Version {
-        [JsonPropertyName("id")]
-        public ulong Id { get; set; }
-        [JsonPropertyName("tag_name")]
-        public string TagName { get; set; }
-        [JsonPropertyName("target_commitish")]
-        public string CommitSHA { get; set; }
-        [JsonPropertyName("prerelease")]
-        public bool PreRelease { get; set; }
-        [JsonPropertyName("name")]
-        public string Name { get; set; }
-        [JsonPropertyName("body")]
-        public string Body { get; set; }
-        [JsonPropertyName("created_at")]
-        public DateTime CreatedAt { get; set; }
-
-        public string PublishTime {
-            get { return CreatedAt.ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss"); }
-        }
-
-        public string IsPrerelease {
-            get { return PreRelease ? "YES" : "NO"; }
-        }
-
-        public static void Check(Action<Version> onUpgradable) {
-            if (!Preference.Instance.General.CheckForUpdate) return;
-
-            var curDayOfYear = DateTime.Now.DayOfYear;
-            var lastDayOfYear = Preference.Instance.General.LastCheckDay;
-            if (lastDayOfYear != curDayOfYear) {
-                Preference.Instance.General.LastCheckDay = curDayOfYear;
-                Task.Run(async () => {
-                    try {
-                        var req = new HttpClient();
-                        var rsp = await req.GetAsync("https://api.github.com/repos/sourcegit-scm/sourcegit/releases/latest");
-                        rsp.EnsureSuccessStatusCode();
-
-                        var raw = await rsp.Content.ReadAsStringAsync();
-                        var ver = JsonSerializer.Deserialize<Version>(raw);
-                        var cur = Assembly.GetExecutingAssembly().GetName().Version;
-
-                        var matches = Regex.Match(ver.TagName, @"^v(\d+)\.(\d+).*");
-                        if (!matches.Success) return;
-
-                        var major = int.Parse(matches.Groups[1].Value);
-                        var minor = int.Parse(matches.Groups[2].Value);
-                        if (major > cur.Major || (major == cur.Major && minor > cur.Minor)) {
-                            onUpgradable?.Invoke(ver);
-                        }
-                    } catch {
-                    }
-                });
-            }
-        }
-    }
-}
diff --git a/src/Resources/Locales/en_US.xaml b/src/Resources/Locales/en_US.xaml
index e880d98a..16d81cf0 100644
--- a/src/Resources/Locales/en_US.xaml
+++ b/src/Resources/Locales/en_US.xaml
@@ -396,13 +396,6 @@
 
     <sys:String x:Key="Text.TwoCommitsDiff">COMMIT : {0} -> {1}</sys:String>
 
-    <sys:String x:Key="Text.UpdateAvailable">UPDATE AVAILABLE</sys:String>
-    <sys:String x:Key="Text.UpdateAvailable.Title">{0} is available!</sys:String>
-    <sys:String x:Key="Text.UpdateAvailable.Time">Publish Time</sys:String>
-    <sys:String x:Key="Text.UpdateAvailable.Based">Base On Commit</sys:String>
-    <sys:String x:Key="Text.UpdateAvailable.IsPreRelease">Is Pre-release</sys:String>
-    <sys:String x:Key="Text.UpdateAvailable.Download" xml:space="preserve">DOWNLOAD</sys:String>
-
     <sys:String x:Key="Text.WorkingCopy">Changes</sys:String>
     <sys:String x:Key="Text.WorkingCopy.Unstaged">UNSTAGED</sys:String>
     <sys:String x:Key="Text.WorkingCopy.Unstaged.Stage">STAGE</sys:String>
diff --git a/src/Resources/Locales/zh_CN.xaml b/src/Resources/Locales/zh_CN.xaml
index 41e34d21..fe03f456 100644
--- a/src/Resources/Locales/zh_CN.xaml
+++ b/src/Resources/Locales/zh_CN.xaml
@@ -395,13 +395,6 @@
 
     <sys:String x:Key="Text.TwoCommitsDiff">对比提交 : {0} -> {1}</sys:String>
 
-    <sys:String x:Key="Text.UpdateAvailable">检测更新</sys:String>
-    <sys:String x:Key="Text.UpdateAvailable.Title">{0}已发布！</sys:String>
-    <sys:String x:Key="Text.UpdateAvailable.Time">发布时间</sys:String>
-    <sys:String x:Key="Text.UpdateAvailable.Based">GIT版本</sys:String>
-    <sys:String x:Key="Text.UpdateAvailable.IsPreRelease">预览版</sys:String>
-    <sys:String x:Key="Text.UpdateAvailable.Download" xml:space="preserve">下    载</sys:String>
-
     <sys:String x:Key="Text.WorkingCopy">本地更改</sys:String>
     <sys:String x:Key="Text.WorkingCopy.Unstaged">未暂存</sys:String>
     <sys:String x:Key="Text.WorkingCopy.Unstaged.Stage">暂存选中</sys:String>
diff --git a/src/Views/Upgrade.xaml b/src/Views/Upgrade.xaml
deleted file mode 100644
index 8626fae1..00000000
--- a/src/Views/Upgrade.xaml
+++ /dev/null
@@ -1,111 +0,0 @@
-<controls:Window 
-    x:Class="SourceGit.Views.Upgrade"
-    x:Name="me"
-    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-    xmlns:controls="clr-namespace:SourceGit.Views.Controls"
-    mc:Ignorable="d"
-    Title="{DynamicResource Text.UpdateAvailable}"
-    WindowStartupLocation="CenterOwner"
-    Height="400" Width="500"
-    ResizeMode="NoResize">
-    <Grid>
-        <Grid.RowDefinitions>
-            <RowDefinition Height="28"/>
-            <RowDefinition Height="1"/>
-            <RowDefinition Height="Auto"/>
-            <RowDefinition Height="*"/>
-            <RowDefinition Height="32"/>
-        </Grid.RowDefinitions>
-            
-        <!-- Title Bar -->
-        <Grid Grid.Row="0" Background="{DynamicResource Brush.TitleBar}">
-            <Grid.ColumnDefinitions>
-                <ColumnDefinition Width="Auto"/>
-                <ColumnDefinition Width="Auto"/>
-                <ColumnDefinition Width="*"/>
-                <ColumnDefinition Width="Auto"/>
-            </Grid.ColumnDefinitions>
-                
-            <!-- Icon -->
-            <Path Grid.Column="0" Width="16" Height="16" Margin="6,0" Data="{StaticResource Icon.Fetch}"/>
-                
-            <!-- Title -->
-            <TextBlock Grid.Column="1" Text="{DynamicResource Text.UpdateAvailable}"/>
-                
-            <!-- Close -->
-            <controls:IconButton
-                Grid.Column="3"
-                Click="Quit"
-                Width="28" Padding="8"
-                Icon="{StaticResource Icon.Close}"
-                HoverBackground="Red"
-                WindowChrome.IsHitTestVisibleInChrome="True"/>
-        </Grid>
-
-        <Rectangle Grid.Row="1" Fill="{DynamicResource Brush.Border0}" HorizontalAlignment="Stretch" Height="1"/>
-
-        <!-- Body -->
-        <StackPanel Grid.Row="2" Orientation="Vertical" Margin="8,16,8,0">
-            <!-- Title -->
-            <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
-                <Path Width="20" Height="20" Data="{StaticResource Icon.Git}" Fill="{DynamicResource Brush.Logo}"/>
-                <TextBlock x:Name="txtRelease" Margin="8,0,0,0" FontSize="18" FontWeight="Bold" Text="Release 1.0 Is Out!!!"/>
-            </StackPanel>
-                
-            <!-- Release Info -->
-            <Grid Margin="0,12,0,0">
-                <Grid.RowDefinitions>
-                    <RowDefinition Height="20"/>
-                    <RowDefinition Height="20"/>
-                    <RowDefinition Height="20"/>
-                </Grid.RowDefinitions>
-
-                <Grid.ColumnDefinitions>
-                    <ColumnDefinition Width="120"/>
-                    <ColumnDefinition Width="*"/>
-                </Grid.ColumnDefinitions>
-
-                <TextBlock Grid.Row="0" Grid.Column="0" Text="{DynamicResource Text.UpdateAvailable.Time}" FontWeight="Bold"/>
-                <TextBlock Grid.Row="0" Grid.Column="1" Text="{Binding ElementName=me, Path=Version.PublishTime}"/>
-
-                <TextBlock Grid.Row="1" Grid.Column="0" Text="{DynamicResource Text.UpdateAvailable.Based}" FontWeight="Bold"/>
-                <TextBlock Grid.Row="1" Grid.Column="1" Text="{Binding ElementName=me, Path=Version.CommitSHA}"/>
-
-                <TextBlock Grid.Row="2" Grid.Column="0" Text="{DynamicResource Text.UpdateAvailable.IsPreRelease}" FontWeight="Bold"/>
-                <TextBlock Grid.Row="2" Grid.Column="1" Text="{Binding ElementName=me, Path=Version.IsPrerelease}"/>
-            </Grid>
-        </StackPanel>
-
-        <!-- CHANGELOG -->
-        <Border Grid.Row="3" Margin="8" Background="{DynamicResource Brush.Contents}" BorderBrush="{DynamicResource Brush.Border1}" BorderThickness="1">
-            <ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto">
-                <TextBlock
-                    FontSize="10pt"
-                    Padding="8"
-                    VerticalAlignment="Top"
-                    Foreground="{DynamicResource Brush.FG2}"
-                    Text="{Binding ElementName=me, Path=Version.Body}"/>
-            </ScrollViewer>
-        </Border>
-            
-        <!-- Options -->
-        <StackPanel Grid.Row="4" HorizontalAlignment="Center" VerticalAlignment="Top" Orientation="Horizontal">
-            <Button
-                Click="Download"
-                Width="100" Height="24" 
-                Content="{DynamicResource Text.UpdateAvailable.Download}" 
-                Background="{DynamicResource Brush.Accent1}"
-                BorderBrush="{DynamicResource Brush.FG1}"
-                BorderThickness="1"/>
-
-            <Button
-                Click="Quit"
-                Width="100" Height="24"
-                Margin="8,0,0,0"
-                Content="{DynamicResource Text.Cancel}"/>
-        </StackPanel>
-    </Grid>
-</controls:Window>
diff --git a/src/Views/Upgrade.xaml.cs b/src/Views/Upgrade.xaml.cs
deleted file mode 100644
index 6a8e4027..00000000
--- a/src/Views/Upgrade.xaml.cs
+++ /dev/null
@@ -1,28 +0,0 @@
-using System.Diagnostics;
-using System.Windows;
-
-namespace SourceGit.Views {
-    /// <summary>
-    ///     新版本提示窗口
-    /// </summary>
-    public partial class Upgrade : Controls.Window {
-        public Models.Version Version { get; set; } = new Models.Version();
-
-        public Upgrade(Models.Version ver) {
-            Version = ver;
-            InitializeComponent();
-            txtRelease.Text = App.Text("UpdateAvailable.Title", ver.Name);
-        }
-
-        private void Download(object sender, RoutedEventArgs e) {
-            var url = $"https://github.com/sourcegit-scm/sourcegit/releases/{Version.TagName}";
-            var info = new ProcessStartInfo("cmd", $"/c start {url}");
-            info.CreateNoWindow = true;
-            Process.Start(info);
-        }
-
-        private void Quit(object sender, RoutedEventArgs e) {
-            Close();
-        }
-    }
-}