diff --git a/makespec/03-unix.pri b/makespec/03-unix.pri
index 3102aaf6..097ff088 100644
--- a/makespec/03-unix.pri
+++ b/makespec/03-unix.pri
@@ -15,8 +15,10 @@ INCLUDEPATH += /usr/local/include/
 message("  --> Linking against protobuf library.")
 LIBS += -L/usr/local/lib -lprotobuf
 
-message("  --> Generating geosite headers for Unix")
-system("$$PWD/../tools/unix-generate-geosite.sh $$PWD")
+!no_generate_headers {
+    message("  --> Generating geosite headers for Unix")
+    system("$$PWD/../tools/unix-generate-geosite.sh $$PWD")
+}
 
 use_grpc {
     no_generate_headers {
diff --git a/makespec/BUILDVERSION b/makespec/BUILDVERSION
index 8af762b8..6b2af3f8 100644
--- a/makespec/BUILDVERSION
+++ b/makespec/BUILDVERSION
@@ -1 +1 @@
-3963
+3986
diff --git a/src/common/HTTPRequestHelper.cpp b/src/common/HTTPRequestHelper.cpp
index 467a2a82..dbf2856d 100644
--- a/src/common/HTTPRequestHelper.cpp
+++ b/src/common/HTTPRequestHelper.cpp
@@ -46,6 +46,7 @@ namespace Qv2ray::common
         }
 
         request.setAttribute(QNetworkRequest::RedirectPolicyAttribute, QNetworkRequest::NoLessSafeRedirectPolicy);
+        request.setAttribute(QNetworkRequest::HTTP2AllowedAttribute, true);
         request.setHeader(QNetworkRequest::KnownHeaders::UserAgentHeader, "Mozilla/5.0 (rv:71.0) Gecko/20100101 Firefox/71.0");
         reply = accessManager.get(request);
         connect(reply, &QNetworkReply::finished, this, &QvHttpRequestHelper::onRequestFinished_p);
@@ -105,6 +106,10 @@ namespace Qv2ray::common
 
     void QvHttpRequestHelper::onRequestFinished_p()
     {
+        if (reply->attribute(QNetworkRequest::HTTP2WasUsedAttribute).toBool()) {
+            DEBUG(MODULE_NETWORK, "HTTP/2 was used.")
+        }
+
         if (reply->error() != QNetworkReply::NoError) {
             QString error = QMetaEnum::fromType<QNetworkReply::NetworkError>().key(reply->error());
             LOG(MODULE_NETWORK, "Network request error string: " + error)
diff --git a/src/common/QvHelpers.cpp b/src/common/QvHelpers.cpp
index 05728876..7df5bd45 100644
--- a/src/common/QvHelpers.cpp
+++ b/src/common/QvHelpers.cpp
@@ -31,15 +31,19 @@ namespace Qv2ray::common
         source->close();
         return str;
     }
-
-    bool StringToFile(const QString *text, QFile *targetFile)
+    bool StringToFile(const QString &text, const QString &targetpath)
     {
-        bool override = targetFile->exists();
-        targetFile->open(QFile::WriteOnly);
-        QTextStream stream(targetFile);
-        stream << *text << endl;
+        auto file = QFile(targetpath);
+        return StringToFile(text, file);
+    }
+    bool StringToFile(const QString &text, QFile &targetFile)
+    {
+        bool override = targetFile.exists();
+        targetFile.open(QFile::WriteOnly);
+        QTextStream stream(&targetFile);
+        stream << text << endl;
         stream.flush();
-        targetFile->close();
+        targetFile.close();
         return override;
     }
 
diff --git a/src/common/QvHelpers.hpp b/src/common/QvHelpers.hpp
index c89cce37..6d8d818b 100644
--- a/src/common/QvHelpers.hpp
+++ b/src/common/QvHelpers.hpp
@@ -23,7 +23,8 @@ namespace Qv2ray::common
     //
     QString StringFromFile(const QString &filePath);
     QString StringFromFile(QFile *source);
-    bool StringToFile(const QString *text, QFile *target);
+    bool StringToFile(const QString &text, QFile &target);
+    bool StringToFile(const QString &text, const QString &targetpath);
     //
     QJsonObject JsonFromString(QString string);
     QString JsonToString(QJsonObject json, QJsonDocument::JsonFormat format = QJsonDocument::JsonFormat::Indented);
diff --git a/src/core/CoreUtils.cpp b/src/core/CoreUtils.cpp
index 22a7f3c3..ba9cd913 100644
--- a/src/core/CoreUtils.cpp
+++ b/src/core/CoreUtils.cpp
@@ -1,8 +1,9 @@
 #include "CoreUtils.hpp"
+#include "common/QvHelpers.hpp"
 
 namespace Qv2ray::core
 {
-    bool IsComplexConfig(CONFIGROOT root)
+    bool IsComplexConfig(const CONFIGROOT &root)
     {
         bool cRouting = root.contains("routing");
         bool cRule = cRouting && root["routing"].toObject().contains("rules");
@@ -15,5 +16,34 @@ namespace Qv2ray::core
         bool cOutboundCount = cOutbounds && root["outbounds"].toArray().count() > 1;
         return cRules || cInboundCount || cOutboundCount;
     }
+
+    bool GetOutboundData(const OUTBOUND &out, QString *host, int *port, QString *protocol)
+    {
+        // Set initial values.
+        *host = QObject::tr("N/A");
+        *port = 0;
+        *protocol = out["protocol"].toString(QObject::tr("N/A")).toLower();
+
+        if (*protocol == "vmess") {
+            auto Server = StructFromJsonString<VMessServerObject>(JsonToString(out["settings"].toObject()["vnext"].toArray().first().toObject()));
+            *host = Server.address;
+            *port = Server.port;
+            return true;
+        } else if (*protocol == "shadowsocks") {
+            auto x = JsonToString(out["settings"].toObject()["servers"].toArray().first().toObject());
+            auto Server = StructFromJsonString<ShadowSocksServerObject>(x);
+            *host = Server.address;
+            *port = Server.port;
+            return true;
+        } else if (*protocol == "socks") {
+            auto x = JsonToString(out["settings"].toObject()["servers"].toArray().first().toObject());
+            auto Server = StructFromJsonString<SocksServerObject>(x);
+            *host = Server.address;
+            *port = Server.port;
+            return true;
+        } else {
+            return false;
+        }
+    }
 }
 
diff --git a/src/core/CoreUtils.hpp b/src/core/CoreUtils.hpp
index d0284b23..06e59652 100644
--- a/src/core/CoreUtils.hpp
+++ b/src/core/CoreUtils.hpp
@@ -24,7 +24,8 @@ namespace Qv2ray::core
         return in.QV2RAY_RULE_TAG;
     }
 
-    bool IsComplexConfig(CONFIGROOT root);
+    bool GetOutboundData(const OUTBOUND &out, QString *host, int *port, QString *protocol);
+    bool IsComplexConfig(const CONFIGROOT &root);
 }
 
 using namespace Qv2ray::core;
diff --git a/src/core/config/ConfigBackend.cpp b/src/core/config/ConfigBackend.cpp
index 18cf0f35..b3406fd0 100644
--- a/src/core/config/ConfigBackend.cpp
+++ b/src/core/config/ConfigBackend.cpp
@@ -6,9 +6,8 @@ namespace Qv2ray::core::config
     void SaveGlobalConfig(const Qv2rayConfig &conf)
     {
         GlobalConfig = conf;
-        QFile config(QV2RAY_CONFIG_FILE);
         QString str = StructToJsonString(conf);
-        StringToFile(&str, &config);
+        StringToFile(str, QV2RAY_CONFIG_FILE);
     }
 
     void SetConfigDirPath(const QString &path)
diff --git a/src/core/connection/ConnectionIO.cpp b/src/core/connection/ConnectionIO.cpp
index 6c14f0a3..d153d653 100644
--- a/src/core/connection/ConnectionIO.cpp
+++ b/src/core/connection/ConnectionIO.cpp
@@ -5,12 +5,6 @@ namespace Qv2ray::core::connection
 {
     namespace ConnectionIO
     {
-
-        //CONFIGROOT GetConnectionRoot(const SubscriptionId &subscription, const ConnectionId &id)
-        //{
-        //    return ReadConnectionInternal(QV2RAY_SUBSCRIPTION_DIR + subscription.toString() + "/" + id.toString() + QV2RAY_CONFIG_FILE_EXTENSION);
-        //}
-
         ////
         //// Save Connection to a place, with checking if there's existing file.
         //// If so, append "_N" to the name.
diff --git a/src/core/handler/ConnectionHandler.cpp b/src/core/handler/ConnectionHandler.cpp
index 0436fd35..234520a3 100644
--- a/src/core/handler/ConnectionHandler.cpp
+++ b/src/core/handler/ConnectionHandler.cpp
@@ -284,7 +284,6 @@ namespace Qv2ray::core::handlers
         path.prepend(groups[group].isSubscription ? QV2RAY_SUBSCRIPTION_DIR : QV2RAY_CONNECTIONS_DIR);
         return CONFIGROOT(JsonFromString(StringFromFile(path)));
     }
-    //
 
     const tuple<QString, int> QvConnectionHandler::GetConnectionInfo(const ConnectionId &id) const
     {
@@ -296,7 +295,7 @@ namespace Qv2ray::core::handlers
         for (auto item : root["outbounds"].toArray()) {
             OUTBOUND outBoundRoot = OUTBOUND(item.toObject());
             QString outboundType = "";
-            validOutboundFound = CHGetOutboundData_p(outBoundRoot, &host, &port);
+            validOutboundFound = GetOutboundData(outBoundRoot, &host, &port, &outboundType);
 
             if (validOutboundFound) {
                 return make_tuple(host, port);
@@ -308,34 +307,7 @@ namespace Qv2ray::core::handlers
         return make_tuple(QObject::tr("N/A"), 0);
     }
 
-    bool QvConnectionHandler::CHGetOutboundData_p(const OUTBOUND &out, QString *host, int *port) const
-    {
-        // Set initial values.
-        *host = QObject::tr("N/A");
-        *port = 0;
-        auto protocol = out["protocol"].toString(QObject::tr("N/A")).toLower();
 
-        if (protocol == "vmess") {
-            auto Server = StructFromJsonString<VMessServerObject>(JsonToString(out["settings"].toObject()["vnext"].toArray().first().toObject()));
-            *host = Server.address;
-            *port = Server.port;
-            return true;
-        } else if (protocol == "shadowsocks") {
-            auto x = JsonToString(out["settings"].toObject()["servers"].toArray().first().toObject());
-            auto Server = StructFromJsonString<ShadowSocksServerObject>(x);
-            *host = Server.address;
-            *port = Server.port;
-            return true;
-        } else if (protocol == "socks") {
-            auto x = JsonToString(out["settings"].toObject()["servers"].toArray().first().toObject());
-            auto Server = StructFromJsonString<SocksServerObject>(x);
-            *host = Server.address;
-            *port = Server.port;
-            return true;
-        } else {
-            return false;
-        }
-    }
 
     void QvConnectionHandler::OnLatencyDataArrived(const QvTCPingResultObject &result)
     {
@@ -346,4 +318,13 @@ namespace Qv2ray::core::handlers
             LOG(MODULE_CORE_HANDLER, "Received a latecy result with non-exist connection id.")
         }
     }
+
+    bool QvConnectionHandler::UpdateConnection(const ConnectionId &id, const CONFIGROOT &root)
+    {
+        auto groupId = connections[id].groupId;
+        auto path = (groups[groupId].isSubscription ? QV2RAY_SUBSCRIPTION_DIR : QV2RAY_CONNECTIONS_DIR)
+                    + groupId.toString() + "/" + id.toString() + QV2RAY_CONFIG_FILE_EXTENSION;
+        auto content = JsonToString(root);
+        return StringToFile(content, path);
+    }
 }
diff --git a/src/core/handler/ConnectionHandler.hpp b/src/core/handler/ConnectionHandler.hpp
index 10456a30..2ee80d61 100644
--- a/src/core/handler/ConnectionHandler.hpp
+++ b/src/core/handler/ConnectionHandler.hpp
@@ -5,6 +5,7 @@
 #include "core/tcping/QvTCPing.hpp"
 #include "core/CoreSafeTypes.hpp"
 #include "core/connection/ConnectionIO.hpp"
+#include "core/CoreUtils.hpp"
 
 namespace Qv2ray::core::handlers
 {
@@ -37,7 +38,7 @@ namespace Qv2ray::core::handlers
             double GetConnectionLatency(const ConnectionId &id) const;
             const ConnectionId &CreateConnection(const QString &displayName, const GroupId &groupId, const CONFIGROOT &root);
             const optional<QString> DeleteConnection(const ConnectionId &id);
-            const optional<QString> UpdateConnection(const ConnectionId &id, const CONFIGROOT &root);
+            bool UpdateConnection(const ConnectionId &id, const CONFIGROOT &root);
             const optional<QString> RenameConnection(const ConnectionId &id, const QString &newName);
             const ConnectionId DuplicateConnection(const ConnectionId &id);
             const optional<QString> MoveConnectionGroup(const ConnectionId &id, const GroupId &newGroupId);
@@ -101,7 +102,6 @@ namespace Qv2ray::core::handlers
         private:
             void CHSaveConnectionData_p();
             //
-            bool CHGetOutboundData_p(const OUTBOUND &out, QString *host, int *port) const;
             optional<QString> CHStartConnection_p(const ConnectionId &id, const CONFIGROOT &root);
             void CHStopConnection_p();
             bool CHSaveConnectionConfig_p(CONFIGROOT obj, const ConnectionId &id, bool override);
@@ -112,7 +112,7 @@ namespace Qv2ray::core::handlers
             int pingConnectionTimerId;
             QHash<GroupId, GroupMetaObject> groups;
             QHash<ConnectionId, ConnectionMetaObject> connections;
-            QHash<ConnectionId, CONFIGROOT> connectionRootCache;
+            //QHash<ConnectionId, CONFIGROOT> connectionRootCache;
 
         private:
             QvTCPingHelper *tcpingHelper;
diff --git a/src/core/kernel/KernelInteractions.cpp b/src/core/kernel/KernelInteractions.cpp
index 5725d33b..ee08ce02 100644
--- a/src/core/kernel/KernelInteractions.cpp
+++ b/src/core/kernel/KernelInteractions.cpp
@@ -147,8 +147,7 @@ namespace Qv2ray::core::kernel
 
         // Write the final configuration to the disk.
         QString json = JsonToString(root);
-        QFile configFile(QV2RAY_GENERATED_FILE_PATH);
-        StringToFile(&json, &configFile);
+        StringToFile(json, QV2RAY_GENERATED_FILE_PATH);
         //
         auto filePath = QV2RAY_GENERATED_FILE_PATH;
 
diff --git a/src/ui/editors/w_RoutesEditor.cpp b/src/ui/editors/w_RoutesEditor.cpp
index 7d028706..a68b6586 100644
--- a/src/ui/editors/w_RoutesEditor.cpp
+++ b/src/ui/editors/w_RoutesEditor.cpp
@@ -157,8 +157,7 @@ void RouteEditor::onNodeClicked(Node &n)
             alias = GetFirstNodeData(n, QvOutboundNodeModel, OutboundNodeData)->GetOutbound();
             QJsonObject _root = outbounds[alias].raw();
             throw new runtime_error("Not implemented");
-            //auto result = GetOutboundData(OUTBOUND(_root), &host, &port, &protocol);
-            //Q_UNUSED(result)
+            GetOutboundData(OUTBOUND(_root), &host, &port, &protocol);
         } else {
             alias = GetFirstNodeData(n, QvInboundNodeModel, InboundNodeData)->GetInbound();
             QJsonObject _root = inbounds[alias].raw();
diff --git a/src/ui/w_ImportConfig.cpp b/src/ui/w_ImportConfig.cpp
index c3551b2e..e9097a85 100644
--- a/src/ui/w_ImportConfig.cpp
+++ b/src/ui/w_ImportConfig.cpp
@@ -232,7 +232,7 @@ void ImportConfigWindow::on_editFileBtn_clicked()
 
     if (editor.result() == QDialog::Accepted) {
         auto str = JsonToString(json);
-        bool result = StringToFile(&str, &file);
+        bool result = StringToFile(str, file);
 
         if (!result) {
             QvMessageBoxWarn(this, tr("Edit file as JSON"), tr("Failed to save file, please check if you have proper permissions"));
diff --git a/src/ui/w_MainWindow.cpp b/src/ui/w_MainWindow.cpp
index 435601f8..0542c86a 100644
--- a/src/ui/w_MainWindow.cpp
+++ b/src/ui/w_MainWindow.cpp
@@ -74,12 +74,6 @@ MainWindow::MainWindow(QWidget *parent): QMainWindow(parent)//, vinstance(), hTr
 {
     setupUi(this);
     MainWindow::mwInstance = this;
-    connect(ConnectionManager, &QvConnectionHandler::OnCrashed, [&] {
-        this->show();
-        QvMessageBoxWarn(this, tr("V2ray vcore terminated."),
-                         tr("V2ray vcore terminated unexpectedly.") + NEWLINE + NEWLINE +
-                         tr("To solve the problem, read the V2ray log in the log text browser."));
-    });
     QvMessageBusConnect(MainWindow);
     //
     infoWidget = new ConnectionInfoWidget(this);
@@ -98,11 +92,20 @@ MainWindow::MainWindow(QWidget *parent): QMainWindow(parent)//, vinstance(), hTr
     updownImageBox_2->setStyleSheet("image: url(" + QV2RAY_UI_RESOURCES_ROOT + "netspeed_arrow.png)");
     //
     //
+    connect(ConnectionManager, &QvConnectionHandler::OnCrashed, [&] {
+        this->show();
+        QvMessageBoxWarn(this, tr("V2ray vcore terminated."),
+                         tr("V2ray vcore terminated unexpectedly.") + NEWLINE + NEWLINE +
+                         tr("To solve the problem, read the V2ray log in the log text browser."));
+    });
     connect(ConnectionManager, &QvConnectionHandler::OnConnected, this, &MainWindow::OnConnected);
     connect(ConnectionManager, &QvConnectionHandler::OnDisConnected, this, &MainWindow::OnDisConnected);
     connect(ConnectionManager, &QvConnectionHandler::OnStatsAvailable, this, &MainWindow::onConnectionStatsArrived);
     connect(ConnectionManager, &QvConnectionHandler::OnVCoreLogAvailable, this, &MainWindow::onVCoreLogArrived);
     //
+    connect(infoWidget, &ConnectionInfoWidget::OnEditRequested, this, &MainWindow::OnEditRequested);
+    connect(infoWidget, &ConnectionInfoWidget::OnJsonEditRequested, this, &MainWindow::OnJsonEditRequested);
+    //
     // Setup System tray icons and menus
     hTray.setToolTip(TRAY_TOOLTIP_PREFIX);
     // Basic actions
@@ -201,10 +204,7 @@ MainWindow::MainWindow(QWidget *parent): QMainWindow(parent)//, vinstance(), hTr
 
     if (!GlobalConfig.autoStartId.isEmpty()) {
         auto id = ConnectionId(GlobalConfig.autoStartId);
-        ConnectionManager->StartConnection(id);
-        needShowWindow = !ConnectionManager->IsConnected(id);
-    } else {
-        needShowWindow = true;
+        needShowWindow = ConnectionManager->StartConnection(id).has_value();
     }
 
     if (needShowWindow) {
@@ -212,6 +212,9 @@ MainWindow::MainWindow(QWidget *parent): QMainWindow(parent)//, vinstance(), hTr
     }
 
     //// If we are not connected to anything, show the MainWindow.
+    if (needShowWindow) {
+    }
+
 #ifndef DISABLE_AUTO_UPDATE
     requestHelper = new QvHttpRequestHelper();
     connect(requestHelper, &QvHttpRequestHelper::httpRequestFinished, this, &MainWindow::VersionUpdate);
@@ -298,24 +301,6 @@ MainWindow::~MainWindow()
     hTray.hide();
 }
 
-//void MainWindow::on_stopButton_clicked()
-//{
-//    //hTray.setToolTip(TRAY_TOOLTIP_PREFIX);
-//    //statusLabel->setText(tr("Disconnected"));
-//    action_Tray_Start->setEnabled(true);
-//    action_Tray_Stop->setEnabled(false);
-//    action_Tray_Reconnect->setEnabled(false);
-//    // Set to false as the system proxy has been cleared in the StopConnection function.
-//    tray_SystemProxyMenu->setEnabled(false);
-//    //startButton->setEnabled(true);
-//    //stopButton->setEnabled(false);
-//    ////
-//    //netspeedLabel->setText("0.00 B/s\r\n0.00 B/s");
-//    //dataamountLabel->setText("0.00 B\r\n0.00 B");
-//    //LOG(UI, "Stopped successfully.")
-//    //this->hTray.showMessage("Qv2ray", tr("Disconnected from: ") + CurrentConnectionIdentifier.IdentifierString());
-//}
-
 void MainWindow::closeEvent(QCloseEvent *event)
 {
     this->hide();
@@ -579,50 +564,6 @@ void MainWindow::on_importConfigButton_clicked()
 }
 void MainWindow::on_editConfigButton_clicked()
 {
-    //// Check if we have a connection selected...
-    //if (!IsSelectionConnectable) {
-    //    QvMessageBoxWarn(this, tr("No Config Selected"), tr("Please Select a Config"));
-    //    return;
-    //}
-    //
-    //auto firstSelected = connectionListWidget->selectedItems().first();
-    //auto _identifier = ItemConnectionIdentifier(firstSelected);
-    //SUBSCRIPTION_CONFIG_MODIFY_ASK(firstSelected)
-    ////
-    //auto outBoundRoot = connections[_identifier].config;
-    //CONFIGROOT root;
-    //bool isChanged = false;
-    //
-    //if (IsComplexConfig(outBoundRoot)) {
-    //    LOG(UI, "INFO: Opening route editor.")
-    //    RouteEditor routeWindow(outBoundRoot, this);
-    //    root = routeWindow.OpenEditor();
-    //    isChanged = routeWindow.result() == QDialog::Accepted;
-    //} else {
-    //    LOG(UI, "INFO: Opening single connection edit window.")
-    //    OutboundEditor w(OUTBOUND(outBoundRoot["outbounds"].toArray().first().toObject()), this);
-    //    auto outboundEntry = w.OpenEditor();
-    //    isChanged = w.result() == QDialog::Accepted;
-    //    QJsonArray outboundsList;
-    //    outboundsList.push_back(outboundEntry);
-    //    root.insert("outbounds", outboundsList);
-    //}
-    //
-    //QString alias = _identifier.connectionName;
-    //
-    //if (isChanged) {
-    //    if (CheckConfigType(firstSelected, SUBSCRIPTION)) {
-    //        auto name = connections[_identifier].connectionName;
-    //        // Assume name will not change.
-    //        SaveSubscriptionConfig(root, connections[_identifier].subscriptionName, &name);
-    //    } else {
-    //        connections[_identifier].config = root;
-    //        // true indicates the alias will NOT change
-    //        SaveConnectionConfig(root, &alias, true);
-    //    }
-    //
-    //    OnConfigListChanged(alias == CurrentConnectionIdentifier.connectionName);
-    //}
 }
 
 void MainWindow::on_action_RCM_ConvToComplex_triggered()
@@ -658,26 +599,6 @@ void MainWindow::on_action_RCM_ConvToComplex_triggered()
 
 void MainWindow::on_action_RCM_EditJson_triggered()
 {
-    //// Check if we have a connection selected...
-    //if (!IsSelectionConnectable) {
-    //    QvMessageBoxWarn(this, tr("No Config Selected"), tr("Please Select a Config"));
-    //    return;
-    //}
-    //
-    //auto selectedFirst = connectionListWidget->currentItem();
-    //auto _identifier = ItemConnectionIdentifier(selectedFirst);
-    //SUBSCRIPTION_CONFIG_MODIFY_DENY(selectedFirst)
-    //JsonEditor w(connections[_identifier].config, this);
-    //auto root = CONFIGROOT(w.OpenEditor());
-    //bool isChanged = w.result() == QDialog::Accepted;
-    //QString alias = _identifier.connectionName;
-    //
-    //if (isChanged) {
-    //    connections[_identifier].config = root;
-    //    // Alias here will not change.
-    //    SaveConnectionConfig(root, &alias, true);
-    //    ShowAndSetConnection(CurrentConnectionIdentifier, false, false);
-    //}
 }
 
 void MainWindow::on_action_RCM_ShareQR_triggered()
@@ -871,3 +792,50 @@ void MainWindow::onVCoreLogArrived(const ConnectionId &id, const QString &log)
     if (val >= max * 0.8 || val >= max - 20)
         bar->setValue(max);
 }
+
+
+void MainWindow::OnEditRequested(const ConnectionId &id)
+{
+    auto outBoundRoot = ConnectionManager->GetConnectionRoot(id);
+    CONFIGROOT root;
+    bool isChanged = false;
+
+    if (IsComplexConfig(outBoundRoot)) {
+        LOG(MODULE_UI, "INFO: Opening route editor.")
+        RouteEditor routeWindow(outBoundRoot, this);
+        root = routeWindow.OpenEditor();
+        isChanged = routeWindow.result() == QDialog::Accepted;
+    } else {
+        LOG(MODULE_UI, "INFO: Opening single connection edit window.")
+        auto out = OUTBOUND(outBoundRoot["outbounds"].toArray().first().toObject());
+        OutboundEditor w(out, this);
+        auto outboundEntry = w.OpenEditor();
+        isChanged = w.result() == QDialog::Accepted;
+        QJsonArray outboundsList;
+        outboundsList.push_back(outboundEntry);
+        root.insert("outbounds", outboundsList);
+    }
+
+    if (isChanged) {
+        //if (CheckConfigType(firstSelected, SUBSCRIPTION)) {
+        //    auto name = connections[_identifier].connectionName;
+        //    // Assume name will not change.
+        //    SaveSubscriptionConfig(root, connections[_identifier].subscriptionName, &name);
+        //} else {
+        //    connections[_identifier].config = root;
+        //    // true indicates the alias will NOT change
+        //    SaveConnectionConfig(root, &alias, true);
+        //}
+        ConnectionManager->UpdateConnection(id, root);
+        //OnConfigListChanged(alias == CurrentConnectionIdentifier.connectionName);
+    }
+}
+void MainWindow::OnJsonEditRequested(const ConnectionId &id)
+{
+    JsonEditor w(ConnectionManager->GetConnectionRoot(id), this);
+    auto root = CONFIGROOT(w.OpenEditor());
+
+    if (w.result() == QDialog::Accepted) {
+        ConnectionManager->UpdateConnection(id, root);
+    }
+}
diff --git a/src/ui/w_MainWindow.hpp b/src/ui/w_MainWindow.hpp
index 650db1cf..2f417718 100644
--- a/src/ui/w_MainWindow.hpp
+++ b/src/ui/w_MainWindow.hpp
@@ -60,6 +60,8 @@ class MainWindow : public QMainWindow, Ui::MainWindow
         //
         void OnConnected(const ConnectionId &id);
         void OnDisConnected(const ConnectionId &id);
+        void OnEditRequested(const ConnectionId &id);
+        void OnJsonEditRequested(const ConnectionId &id);
 
         void onConnectionWidgetFocusRequested(const ConnectionItemWidget *widget);
         //void onConnectionConnected(const ConnectionId &id);
diff --git a/src/ui/w_PreferencesWindow.cpp b/src/ui/w_PreferencesWindow.cpp
index c9b27315..88f1ddff 100644
--- a/src/ui/w_PreferencesWindow.cpp
+++ b/src/ui/w_PreferencesWindow.cpp
@@ -892,8 +892,7 @@ void PreferencesWindow::on_pacGoBtn_clicked()
         QDir(QV2RAY_RULES_DIR).mkpath(QV2RAY_RULES_DIR);
     }
 
-    QFile privateGFWListFile(QV2RAY_RULES_GFWLIST_PATH);
-    StringToFile(&fileContent, &privateGFWListFile);
+    StringToFile(fileContent, QV2RAY_RULES_GFWLIST_PATH);
 }
 
 void PreferencesWindow::on_pacPortSB_valueChanged(int arg1)
diff --git a/src/ui/w_SubscriptionManager.cpp b/src/ui/w_SubscriptionManager.cpp
index db46a766..a30ccfd7 100644
--- a/src/ui/w_SubscriptionManager.cpp
+++ b/src/ui/w_SubscriptionManager.cpp
@@ -120,7 +120,7 @@ void SubscribeEditor::on_updateButton_clicked()
         subscriptions[currentSubName].address = newAddress;
     }
 
-    SaveConfig();
+    //SaveConfig();
 
     if (QvMessageBoxAsk(this, tr("Update Subscription"), tr("Would you like to reload this subscription from the Url?")) == QMessageBox::Yes) {
         StartUpdateSubscription(currentSubName);
@@ -129,10 +129,9 @@ void SubscribeEditor::on_updateButton_clicked()
 
 void SubscribeEditor::StartUpdateSubscription(const QString &subscriptionName)
 {
-    //this->setEnabled(false);
-    //auto data = helper.syncget(subscriptions[subscriptionName].address, withProxyCB->isChecked());
-    //auto content = DecodeSubscriptionString(data).trimmed();
-    //
+    this->setEnabled(false);
+    auto data = helper.syncget(subscriptions[subscriptionName].address, withProxyCB->isChecked());
+    auto content = DecodeSubscriptionString(data).trimmed();
     //if (!content.isEmpty()) {
     //    connectionsList->clear();
     //    auto vmessList = SplitLines(content);
@@ -160,7 +159,7 @@ void SubscribeEditor::StartUpdateSubscription(const QString &subscriptionName)
     //    QvMessageBoxWarn(this, tr("Updating subscriptions"), tr("Failed to process the result from the upstream, please check your Url."));
     //}
     //
-    //this->setEnabled(true);
+    this->setEnabled(true);
 }
 
 void SubscribeEditor::on_removeSubsButton_clicked()
@@ -213,16 +212,16 @@ void SubscribeEditor::on_subscriptionList_currentRowChanged(int currentRow)
 
 void SubscribeEditor::SaveConfig()
 {
-    QMap<QString, SubscriptionObject_Config> newConf;
-
-    for (auto _ : subscriptions.toStdMap()) {
-        if (!_.second.address.isEmpty()) {
-            newConf[_.first] = _.second;
-        }
-    }
-
-    GlobalConfig.subscriptions = newConf;
-    SaveGlobalConfig(GlobalConfig);
+    //QMap<QString, SubscriptionObject_Config> newConf;
+    //
+    //for (auto _ : subscriptions.toStdMap()) {
+    //    if (!_.second.address.isEmpty()) {
+    //        newConf[_.first] = _.second;
+    //    }
+    //}
+    //
+    //GlobalConfig.subscriptions = newConf;
+    //SaveGlobalConfig(GlobalConfig);
 }
 
 void SubscribeEditor::on_buttonBox_accepted()
diff --git a/src/ui/widgets/ConnectionInfoWidget.cpp b/src/ui/widgets/ConnectionInfoWidget.cpp
index 7afdd5ea..5e3143b7 100644
--- a/src/ui/widgets/ConnectionInfoWidget.cpp
+++ b/src/ui/widgets/ConnectionInfoWidget.cpp
@@ -24,19 +24,19 @@ void ConnectionInfoWidget::ShowDetails(const tuple<GroupId, ConnectionId> &_iden
 {
     groupId = get<0>(_identifier);
     connectionId = get<1>(_identifier);
+    bool isConnection = connectionId != NullConnectionId;
+    editJsonBtn->setEnabled(isConnection);
+    connectBtn->setEnabled(isConnection);
+    duplicateBtn->setEnabled(isConnection);
+    editBtn->setEnabled(isConnection);
 
-    if (connectionId != NullConnectionId) {
-        //connNameLabel->setText(ConnectionManager->GetDisplayName(connectionId));
+    if (isConnection) {
         groupLabel->setText(ConnectionManager->GetDisplayName(groupId, 175));
         protocolLabel->setText(ConnectionManager->GetConnectionProtocolString(connectionId));
         auto [host, port] = ConnectionManager->GetConnectionInfo(connectionId);
         addressLabel->setText(host);
         portLabel->setNum(port);
         //
-        editJsonBtn->setEnabled(true);
-        connectBtn->setEnabled(true);
-        duplicateBtn->setEnabled(true);
-        //
         auto shareLink = ConvertConfigToString(connectionId);
         shareLinkTxt->setText(shareLink);
         shareLinkTxt->setCursorPosition(0);
@@ -55,10 +55,6 @@ void ConnectionInfoWidget::ShowDetails(const tuple<GroupId, ConnectionId> &_iden
         addressLabel->setText(tr("N/A"));
         portLabel->setText(tr("N/A"));
         //
-        editJsonBtn->setEnabled(false);
-        connectBtn->setEnabled(false);
-        duplicateBtn->setEnabled(false);
-        //
         shareLinkTxt->clear();
         qrLabel->clear();
     }
@@ -76,27 +72,15 @@ void ConnectionInfoWidget::on_connectBtn_clicked()
         ConnectionManager->StartConnection(connectionId);
     }
 }
-//// Share QR
-//if (!IsSelectionConnectable) {
-//    return;
-//}
-//
-//auto _identifier = ItemConnectionIdentifier(connectionListWidget->currentItem());
-//auto root = connections[_identifier].config;
-//auto type = get<2>(GetConnectionInfo(root));
-//
-//if (!IsComplexConfig(root) && (type == "vmess" || type == "shadowsocks")) {
-//    ConfigExporter v(root, _identifier, this);
-//    v.OpenExport();
-//} else {
-//    QvMessageBoxWarn(this, tr("Share Connection"), tr("There're no support of sharing configs other than vmess and shadowsocks"));
-//}
+
 void ConnectionInfoWidget::on_editBtn_clicked()
 {
+    emit OnEditRequested(connectionId);
 }
 
 void ConnectionInfoWidget::on_editJsonBtn_clicked()
 {
+    emit OnJsonEditRequested(connectionId);
 }
 
 void ConnectionInfoWidget::on_deleteBtn_clicked()
diff --git a/src/ui/widgets/ConnectionInfoWidget.hpp b/src/ui/widgets/ConnectionInfoWidget.hpp
index 00b5f5c6..968b88e1 100644
--- a/src/ui/widgets/ConnectionInfoWidget.hpp
+++ b/src/ui/widgets/ConnectionInfoWidget.hpp
@@ -13,6 +13,10 @@ class ConnectionInfoWidget : public QWidget, private Ui::ConnectionInfoWidget
         void ShowDetails(const tuple<GroupId, ConnectionId> &_identifier);
         ~ConnectionInfoWidget();
 
+    signals:
+        void OnEditRequested(const ConnectionId &id);
+        void OnJsonEditRequested(const ConnectionId &id);
+
     private slots:
         void on_connectBtn_clicked();
         void on_editBtn_clicked();
@@ -25,9 +29,7 @@ class ConnectionInfoWidget : public QWidget, private Ui::ConnectionInfoWidget
     private slots:
         void OnConnected(const ConnectionId &id);
         void OnDisConnected(const ConnectionId &id);
-
         void on_duplicateBtn_clicked();
-
         void on_latencyBtn_clicked();
 
     private: