diff --git a/src/DownKyi/DownKyi.csproj b/src/DownKyi/DownKyi.csproj
index 1dbb390..80a3d53 100644
--- a/src/DownKyi/DownKyi.csproj
+++ b/src/DownKyi/DownKyi.csproj
@@ -561,6 +561,9 @@
     </None>
   </ItemGroup>
   <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json">
+      <Version>13.0.2</Version>
+    </PackageReference>
     <PackageReference Include="Prism.DryIoc" Version="8.1.97" />
     <PackageReference Include="System.Data.SQLite.Core">
       <Version>1.0.112.2</Version>
@@ -573,6 +576,10 @@
     <Resource Include="Resources\default_header.jpg" />
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\Brotli.Core\Brotli.Core.csproj">
+      <Project>{3107CD63-E257-455E-AE81-1FD3582B067A}</Project>
+      <Name>Brotli.Core</Name>
+    </ProjectReference>
     <ProjectReference Include="..\DownKyi.Core\DownKyi.Core.csproj">
       <Project>{4fde0364-f65b-4812-bfe8-34e886624fbd}</Project>
       <Name>DownKyi.Core</Name>
diff --git a/src/DownKyi/Models/AppInfo.cs b/src/DownKyi/Models/AppInfo.cs
index a77f7f3..66f2680 100644
--- a/src/DownKyi/Models/AppInfo.cs
+++ b/src/DownKyi/Models/AppInfo.cs
@@ -1,15 +1,53 @@
-namespace DownKyi.Models
+using System;
+using System.Text.RegularExpressions;
+
+namespace DownKyi.Models
 {
     public class AppInfo
     {
         public string Name { get; } = "哔哩下载姬";
-        public int VersionCode { get; } = 513;
+        public int VersionCode { get; }
+        public string VersionName { get; }
+
+        const int a = 1;
+        const int b = 5;
+        const int c = 6;
+
+        public AppInfo()
+        {
+            VersionCode = a * 10000 + b * 100 + c;
 
 #if DEBUG
-        public string VersionName { get; } = "1.5.6 Debug";
+            VersionName = $"{a}.{b}.{c}-debug";
 #else
-        public string VersionName { get; } = "1.5.6";
+            VersionName = $"{a}.{b}.{c}";
 #endif
+        }
+
+        public static int VersionNameToCode(string versionName)
+        {
+            int code = 0;
+
+            var isMatch = Regex.IsMatch(versionName, @"^v?([1-9]\d|\d).([1-9]\d|\d).([1-9]\d|\d)$");
+            if (!isMatch)
+            {
+                return 0;
+            }
+
+            string pattern = @"([1-9]\d|\d)";
+            var m = Regex.Matches(versionName, pattern);
+            if (m.Count == 3)
+            {
+                int i = 2;
+                foreach (var item in m)
+                {
+                    code += int.Parse(item.ToString()) * (int)Math.Pow(100, i);
+                    i--;
+                }
+            }
+
+            return code;
+        }
 
     }
 }
diff --git a/src/DownKyi/ViewModels/Settings/ViewAboutViewModel.cs b/src/DownKyi/ViewModels/Settings/ViewAboutViewModel.cs
index 0cdf35b..f41ee26 100644
--- a/src/DownKyi/ViewModels/Settings/ViewAboutViewModel.cs
+++ b/src/DownKyi/ViewModels/Settings/ViewAboutViewModel.cs
@@ -5,6 +5,7 @@ using DownKyi.Utils;
 using Prism.Commands;
 using Prism.Events;
 using Prism.Regions;
+using Prism.Services.Dialogs;
 
 namespace DownKyi.ViewModels.Settings
 {
@@ -46,7 +47,7 @@ namespace DownKyi.ViewModels.Settings
 
         #endregion
 
-        public ViewAboutViewModel(IEventAggregator eventAggregator) : base(eventAggregator)
+        public ViewAboutViewModel(IEventAggregator eventAggregator, IDialogService dialogService) : base(eventAggregator, dialogService)
         {
 
             #region 属性初始化