diff --git a/README.md b/README.md
index c1197a8b..e0ce48d4 100644
--- a/README.md
+++ b/README.md
@@ -7,4 +7,4 @@
 
 ### Requirements  
 - Microsoft [.NET Framework 4.6](https://docs.microsoft.com/zh-cn/dotnet/framework/install/guide-for-developers) or higher
-- Project V core [https://github.com/v2fly/v2ray-core/releases](https://github.com/v2fly/v2ray-core/releases)
+- Project V core [https://hub.fastgit.org/v2fly/v2ray-core/releases](https://hub.fastgit.org/v2fly/v2ray-core/releases)
diff --git a/v2rayN/v2rayN/Global.cs b/v2rayN/v2rayN/Global.cs
index a44cc1ee..39cc8acc 100644
--- a/v2rayN/v2rayN/Global.cs
+++ b/v2rayN/v2rayN/Global.cs
@@ -9,11 +9,11 @@ namespace v2rayN
 
         public const string DownloadFileName = "v2ray-windows.zip";
         public const string v2rayWebsiteUrl = @"https://www.v2fly.org/";
-        public const string AboutUrl = @"https://github.com/2dust/v2rayN";
+        public const string AboutUrl = @"https://hub.fastgit.org/2dust/v2rayN";
         public const string UpdateUrl = AboutUrl + @"/releases";
-        public const string v2flyCoreUrl = "https://github.com/v2fly/v2ray-core/releases";
-        public const string xrayCoreUrl = "https://github.com/XTLS/Xray-core/releases";
-        public const string NUrl = @"https://github.com/2dust/v2rayN/releases";
+        public const string v2flyCoreUrl = "https://hub.fastgit.org/v2fly/v2ray-core/releases";
+        public const string xrayCoreUrl = "https://hub.fastgit.org/XTLS/Xray-core/releases";
+        public const string NUrl = @"https://hub.fastgit.org/2dust/v2rayN/releases";
 
 
         /// <summary>
diff --git a/v2rayN/v2rayN/Handler/UpdateHandle.cs b/v2rayN/v2rayN/Handler/UpdateHandle.cs
index fcfcea40..db5ad598 100644
--- a/v2rayN/v2rayN/Handler/UpdateHandle.cs
+++ b/v2rayN/v2rayN/Handler/UpdateHandle.cs
@@ -35,7 +35,7 @@ namespace v2rayN.Handler
         private const string v2flyCoreUrl = Global.v2flyCoreUrl + "/download/{0}/v2ray-windows-{1}.zip";
         private readonly string xrayCoreLatestUrl = Global.xrayCoreUrl + "/latest";
         private const string xrayCoreUrl = Global.xrayCoreUrl + "/download/{0}/Xray-windows-{1}.zip";
-        private const string geoUrl = "https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/{0}.dat";
+        private const string geoUrl = "https://hub.fastgit.org/Loyalsoldier/v2ray-rules-dat/releases/latest/download/{0}.dat";
 
         public void CheckUpdateGuiN(Config config, Action<bool, string> update)
         {