diff --git a/MainWindow.xaml b/MainWindow.xaml
index 57def6b..a37030b 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -6,7 +6,7 @@
         xmlns:local="clr-namespace:Vrc_Lyric_Format_Convert_GUI"
         xmlns:mah ="clr-namespace:MahApps.Metro.Controls;assembly=MahApps.Metro"
         mc:Ignorable="d"
-        Title="Vrc Converter - v1.2 有问题请联系组内或开 Issue" Height="600" Width="520">
+        Title="Vrc Converter - v1.3 有问题请联系组内或开 Issue" Height="600" Width="520">
     <ScrollViewer VerticalScrollBarVisibility="Auto">
         <Grid>
             <Grid.ColumnDefinitions>
@@ -45,7 +45,12 @@
                                 <TextBox x:Name="JsonIndent" FontSize="18" Margin="5,0" Text="2"/>
                             </StackPanel>
                         </GroupBox>
-                        <Button x:Name="README" Content="点击查看说明" Margin="0,5,0,0" Click="README_Click" FontSize="18"/>
+                        <GroupBox>
+                            <StackPanel>
+                                <Button x:Name="README" Content="点击查看说明" Margin="0,5,0,0" Click="README_Click" FontSize="18"/>
+                                <Button x:Name="CheckUpdateButton" Content="检查更新" Margin="0,5,0,0" FontSize="18" Click="CheckUpdateButton_Click"/>
+                            </StackPanel>
+                        </GroupBox>
                     </StackPanel>
                     <Button x:Name="Run" Click="Run_Click" Grid.Row="1" Content="走你!" FontSize="18"/>
                 </Grid>
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index bffc220..32c2b8c 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -1,25 +1,18 @@
-using ControlzEx.Standard;
+using LitJson;
 using MahApps.Metro.Controls;
 using MahApps.Metro.Controls.Dialogs;
 using Microsoft.Win32;
 using Microsoft.WindowsAPICodePack.Dialogs;
+using RestSharp;
 using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
-using System.Linq;
-using System.Runtime.CompilerServices;
-using System.Text;
-using System.Threading.Tasks;
+using System.IO.Compression;
+using System.Net;
+using System.Threading;
 using System.Windows;
 using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
-using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Navigation;
-using System.Windows.Shapes;
+using System.Windows.Threading;
 
 namespace Vrc_Lyric_Format_Convert_GUI
 {
@@ -39,6 +32,9 @@ public partial class MainWindow : MetroWindow
         private string sourceDirPath = "";
         private string outputDirPath = "";
 
+        // 检查更新
+        private string version = "v1.3";
+
         public MainWindow()
         {
             InitializeComponent();
@@ -400,5 +396,106 @@ private FileInfo[] FindAllFile(string path,string ext)
             return directoryInfo.GetFiles(ext, SearchOption.AllDirectories);
         }
         #endregion
+
+        #region 检查更新
+        private async void CheckUpdateButton_Click(object sender, RoutedEventArgs e)
+        {
+            CheckUpdateButton.IsEnabled = false;
+            CheckUpdateButton.Content = "检查中...";
+            var client = new RestClient("https://api.misakal.xyz");
+            var request = new RestRequest("/Software_Update/Vrc_Convert/getUpdataInfo.php");
+            // var request = new RestRequest("/Software_Update/Vrc_Convert/update.json");
+            var response = client.Get(request);
+            if (response.IsSuccessful)
+            {
+                try
+                {
+                    JsonData jsonData = JsonMapper.ToObject(response.Content);
+                    if (version == (string)jsonData["laster"]["version"])
+                    {
+                        await this.ShowMessageAsync("你已经是最新版本了", "最新版本:" + (string)jsonData["laster"]["version"] + "\r\n本地版本:" + version);
+                    }
+                    else
+                    {
+                        MessageDialogResult result = await this.ShowMessageAsync("发现更新", "最新版本:" + (string)jsonData["laster"]["version"] + "\r\n本地版本" + version + "\r\n更新内容:\r\n" + (string)jsonData["laster"]["log"] + "\r\n是否更新？",
+                            MessageDialogStyle.AffirmativeAndNegative,
+                            new MetroDialogSettings() {
+                                AffirmativeButtonText = "取消",
+                                NegativeButtonText = "更新"
+                            });
+                        if (result == MessageDialogResult.Negative)
+                        {
+                            var progressControl = await this.ShowProgressAsync("正在更新", "下载新版本中...");
+                            new Thread(a =>
+                            {
+                                try
+                                {
+                                    string tempFilePath = "Vrc_Convert_New.zip";
+                                    Stream writer = new FileStream(tempFilePath, FileMode.Create);
+
+                                    ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
+                                    HttpWebRequest downloadRequest = (HttpWebRequest)WebRequest.Create((string)jsonData["laster"]["download"]);
+                                    HttpWebResponse downloadResponse = (HttpWebResponse)downloadRequest.GetResponse();
+                                    long totalBytes = downloadResponse.ContentLength;
+
+                                    Stream downloadStream = downloadResponse.GetResponseStream();
+                                    long totalDownloadedByte = 0;
+                                    byte[] downloadByte = new byte[1024];
+                                    int osize = downloadStream.Read(downloadByte, 0, (int)downloadByte.Length);
+                                    while (osize > 0)
+                                    {
+                                        totalDownloadedByte = osize + totalDownloadedByte;
+                                        writer.Write(downloadByte, 0, osize);
+                                        osize = downloadStream.Read(downloadByte, 0, (int)downloadByte.Length);
+                                        float downloadProgress = totalDownloadedByte / totalBytes;
+                                        // Dispatcher.Invoke(new Action(delegate { progressControl.SetProgress(downloadProgress); progressControl.SetMessage("下载新版本中... (" + (downloadProgress * 100).ToString() + "%)"); }));
+                                        progressControl.SetProgress(downloadProgress);
+                                        progressControl.SetMessage("下载新版本中... (" + (downloadProgress * 100).ToString() + "%)");
+                                    }
+                                    downloadStream.Close();
+                                    writer.Close();
+
+                                    progressControl.SetMessage("正在释放文件...");
+                                    if (Directory.Exists(Environment.CurrentDirectory + "\\update_cache")) 
+                                    {
+                                        Directory.Delete(Environment.CurrentDirectory + "\\update_cache",true);
+                                    }
+                                    ZipFile.ExtractToDirectory(tempFilePath, Environment.CurrentDirectory+"\\update_cache");
+                                    progressControl.CloseAsync();
+                                    Dispatcher.Invoke(new Action(
+                                        async delegate
+                                        {
+                                            result = await this.ShowMessageAsync("请手动安装更新", "更新已下载完成。请点击 \"确认\" 并将弹出文件夹内容覆盖程序目录。");
+                                            if (result == MessageDialogResult.Affirmative)
+                                            {
+                                                Process.Start("explorer.exe", Environment.CurrentDirectory + "\\update_cache");
+                                                Environment.Exit(0);
+                                            }
+                                        }));
+                                }
+                                catch (Exception downloadException)
+                                {
+                                    progressControl.CloseAsync();
+                                    Dispatcher.Invoke(new Action(delegate { this.ShowMessageAsync("下载失败", "错误信息:\r\n" + downloadException.Message + "\r\n错误追踪:" + downloadException.StackTrace); }));
+                                }
+                            })
+                            { IsBackground = true }.Start();
+                        }
+                    }
+                }
+                catch
+                {
+                    await this.ShowMessageAsync("无法解析更新信息", "服务器返回内容:\r\n" + response.Content);
+                }
+            }
+            else
+            {
+                await this.ShowMessageAsync("无法连接到检查更新服务", "Http 状态代码:" + response.StatusCode.ToString() + "\r\n错误信息:" + response.ErrorMessage + "\r\n错误追踪:" + response.ErrorException);
+            }
+
+            CheckUpdateButton.IsEnabled = true;
+            CheckUpdateButton.Content = "检查更新";
+        }
+        #endregion
     }
 }
diff --git a/Properties/AssemblyInfo.cs b/Properties/AssemblyInfo.cs
index 264ef2b..b079c1c 100644
--- a/Properties/AssemblyInfo.cs
+++ b/Properties/AssemblyInfo.cs
@@ -51,6 +51,6 @@
 //可以指定所有这些值，也可以使用“生成号”和“修订号”的默认值
 //通过使用 "*"，如下所示:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.2.0.0")]
-[assembly: AssemblyFileVersion("1.2.0.0")]
+[assembly: AssemblyVersion("1.3.0.0")]
+[assembly: AssemblyFileVersion("1.3.0.0")]
 [assembly: NeutralResourcesLanguage("zh-CN")]
diff --git a/README.md b/README.md
index 49284e7..eb99f55 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # Vrc Convert
-基于 [Lyric-Format-Convert](https://github.com/vtbmusic/Lyric-Format-Convert) 的 GUI Vrc 格式转换器
\ No newline at end of file
+基于 [Lyric-Format-Convert](https://github.com/vtbmusic/Lyric-Format-Convert) 的 GUI Vrc 格式转换器
+## 自行编译注意事项
+- 请将脚本放入程序目录下的 bin\convert.exe
\ No newline at end of file
diff --git a/Vrc-Lyric-Format-Convert-GUI.csproj b/Vrc-Lyric-Format-Convert-GUI.csproj
index 005c348..03f22cc 100644
--- a/Vrc-Lyric-Format-Convert-GUI.csproj
+++ b/Vrc-Lyric-Format-Convert-GUI.csproj
@@ -47,6 +47,9 @@
     <Reference Include="Costura, Version=4.1.0.0, Culture=neutral, PublicKeyToken=9919ef960d84173d, processorArchitecture=MSIL">
       <HintPath>packages\Costura.Fody.4.1.0\lib\net40\Costura.dll</HintPath>
     </Reference>
+    <Reference Include="LitJSON, Version=0.16.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>packages\LitJson.0.16.0\lib\net45\LitJSON.dll</HintPath>
+    </Reference>
     <Reference Include="MahApps.Metro, Version=2.0.0.0, Culture=neutral, PublicKeyToken=51482d6f650b2b3f, processorArchitecture=MSIL">
       <HintPath>packages\MahApps.Metro.2.2.0\lib\net452\MahApps.Metro.dll</HintPath>
     </Reference>
@@ -59,10 +62,14 @@
     <Reference Include="Microsoft.Xaml.Behaviors, Version=1.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>packages\Microsoft.Xaml.Behaviors.Wpf.1.1.19\lib\net45\Microsoft.Xaml.Behaviors.dll</HintPath>
     </Reference>
+    <Reference Include="RestSharp, Version=106.11.4.0, Culture=neutral, PublicKeyToken=598062e77f915f75, processorArchitecture=MSIL">
+      <HintPath>packages\RestSharp.106.11.4\lib\net452\RestSharp.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.Data" />
+    <Reference Include="System.IO.Compression.FileSystem" />
     <Reference Include="System.Web" />
     <Reference Include="System.Web.Extensions" />
     <Reference Include="System.Xml" />
diff --git a/packages.config b/packages.config
index acc9022..3226c4f 100644
--- a/packages.config
+++ b/packages.config
@@ -3,8 +3,10 @@
   <package id="ControlzEx" version="4.3.2" targetFramework="net452" />
   <package id="Costura.Fody" version="4.1.0" targetFramework="net45" />
   <package id="Fody" version="6.0.0" targetFramework="net45" developmentDependency="true" />
+  <package id="LitJson" version="0.16.0" targetFramework="net452" />
   <package id="MahApps.Metro" version="2.2.0" targetFramework="net452" />
   <package id="Microsoft.Xaml.Behaviors.Wpf" version="1.1.19" targetFramework="net452" />
+  <package id="RestSharp" version="106.11.4" targetFramework="net452" />
   <package id="WindowsAPICodePack-Core" version="1.1.1" targetFramework="net45" />
   <package id="WindowsAPICodePack-Shell" version="1.1.1" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/update/update.json b/update/update.json
new file mode 100644
index 0000000..ea33411
--- /dev/null
+++ b/update/update.json
@@ -0,0 +1,20 @@
+{
+    "total": 3,
+    "laster":{
+        "version": "v1.3",
+        "log": "添加了检查更新系统",
+        "download": "https://api.misakal.xyz/Software_Update/Vrc_Convert/files/Crc Convert v1.3.zip"
+    },
+    "history":[
+        {
+            "version": "v1.3",
+            "log": "添加了检查更新系统",
+            "download": "https://api.misakal.xyz/Software_Update/Vrc_Convert/files/Crc Convert v1.3.zip"
+        },
+        {
+            "version": "v1.2",
+            "log": "更新 UI 界面\n添加递归模式支持",
+            "download":"https://api.misakal.xyz/Software_Update/Vrc_Convert/files/Crc Convert v1.2.zip"
+        }
+    ]
+}
\ No newline at end of file