diff --git a/3rdparty/qv2ray/v2/proxy/QvProxyConfigurator.cpp b/3rdparty/qv2ray/v2/proxy/QvProxyConfigurator.cpp
index a5e32d5..4b37f05 100644
--- a/3rdparty/qv2ray/v2/proxy/QvProxyConfigurator.cpp
+++ b/3rdparty/qv2ray/v2/proxy/QvProxyConfigurator.cpp
@@ -253,7 +253,21 @@ namespace Qv2ray::components::proxy {
 #endif
 
 #ifdef Q_OS_WIN
-        // we don't use this for windows
+        QString str = "socks={ip}:{socks_port}";
+        str = str.replace("{ip}", address)
+                  .replace("{socks_port}", Int2String(socksPort));
+        //
+        LOG("Windows proxy string: " + str);
+        auto proxyStrW = new WCHAR[str.length() + 1];
+        wcscpy(proxyStrW, str.toStdWString().c_str());
+        //
+        __QueryProxyOptions();
+
+        if (!__SetProxyOptions(proxyStrW, false)) {
+            LOG("Failed to set proxy.");
+        }
+
+        __QueryProxyOptions();
 #elif defined(Q_OS_LINUX)
         QList<ProcessArgument> actions;
         actions << ProcessArgument{"gsettings", {"set", "org.gnome.system.proxy", "mode", "manual"}};
diff --git a/ui/mainwindow_grpc.cpp b/ui/mainwindow_grpc.cpp
index e97d2a0..fd0ff8e 100644
--- a/ui/mainwindow_grpc.cpp
+++ b/ui/mainwindow_grpc.cpp
@@ -391,23 +391,12 @@ void MainWindow::neko_start(int _id) {
 
 void MainWindow::neko_set_spmode_system_proxy(bool enable, bool save) {
     if (enable != NekoGui::dataStore->spmode_system_proxy) {
-#ifndef Q_OS_LINUX
-        bool ok;
-        auto error = defaultClient->SetSystemProxy(&ok, enable);
-        if (!ok) {
-            MW_show_log("Failed to set system proxy with error " + error);
-            ui->checkBox_SystemProxy->setChecked(false);
-            refresh_status();
-            return;
-        }
-#else
         if (enable) {
             auto socks_port = NekoGui::dataStore->inbound_socks_port;
             SetSystemProxy(socks_port, socks_port);
         } else {
             ClearSystemProxy();
         }
-#endif
     }
 
     if (save) {