diff --git a/shadowsocks-csharp/Controller/ShadowsocksController.cs b/shadowsocks-csharp/Controller/ShadowsocksController.cs
index 6daaa68a..860d56be 100644
--- a/shadowsocks-csharp/Controller/ShadowsocksController.cs
+++ b/shadowsocks-csharp/Controller/ShadowsocksController.cs
@@ -614,6 +614,7 @@ namespace Shadowsocks.Controller
             {
                 GFWListUpdater.MergeAndWritePACFile(FileManager.NonExclusiveReadAllText(Utils.GetTempPath("gfwlist.txt")));
             }
+            UpdateSystemProxy();
         }
 
         public void CopyPacUrl()