diff --git a/db/TrafficLooper.cpp b/db/TrafficLooper.cpp
index 04b709f..0051739 100644
--- a/db/TrafficLooper.cpp
+++ b/db/TrafficLooper.cpp
@@ -1,7 +1,7 @@
 #include "TrafficLooper.hpp"
 
 #include "rpc/gRPC.h"
-#include "ui/mainwindow.h"
+#include "ui/mainwindow_interface.h"
 
 #include <QThread>
 
diff --git a/fmt/AbstractBean.hpp b/fmt/AbstractBean.hpp
index 6dbf60f..e40172f 100644
--- a/fmt/AbstractBean.hpp
+++ b/fmt/AbstractBean.hpp
@@ -59,7 +59,8 @@ namespace NekoRay::fmt {
 
         virtual QString InsecureHint() { return {}; };
 
+        QString DisplayInsecureHint();
+
     };
 
-    QString DisplayInsecureHint(const QSharedPointer<AbstractBean> &);
 }
diff --git a/fmt/InsecureHint.cpp b/fmt/InsecureHint.cpp
index 631c6e1..c072f3e 100644
--- a/fmt/InsecureHint.cpp
+++ b/fmt/InsecureHint.cpp
@@ -5,10 +5,10 @@
 #include "SocksHttpBean.hpp"
 
 namespace NekoRay::fmt {
-    QString DisplayInsecureHint(const QSharedPointer<AbstractBean> &bean) {
+    QString AbstractBean::DisplayInsecureHint() {
         if (!dataStore->insecure_hint) return {};
-        auto insecure_hint = bean->InsecureHint();
-        auto stream = GetStreamSettings(bean.data());
+        auto insecure_hint = InsecureHint();
+        auto stream = GetStreamSettings(this);
         if (stream != nullptr) insecure_hint += "\n" + stream->InsecureHint();
         return insecure_hint.trimmed();
     }
diff --git a/fmt/V2RayStreamSettings.hpp b/fmt/V2RayStreamSettings.hpp
index 9deaca0..23e5e2c 100644
--- a/fmt/V2RayStreamSettings.hpp
+++ b/fmt/V2RayStreamSettings.hpp
@@ -6,8 +6,8 @@ namespace NekoRay::fmt {
     class V2rayStreamSettings : public JsonStore {
     public:
         QString network = "tcp";
-        QString security = "none";
-        QString packet_encoding = ""; // sing-box only vmess
+        QString security = "";
+        QString packet_encoding = "";
         // ws/h2/grpc/tcp-http
         QString path = "";
         QString host = "";
diff --git a/main/GuiUtils.hpp b/main/GuiUtils.hpp
index 166aea4..f860625 100644
--- a/main/GuiUtils.hpp
+++ b/main/GuiUtils.hpp
@@ -1,12 +1,9 @@
 #pragma once
 
-#include <QMenu>
 #include <QWidget>
 
 // Dialogs
 
-inline QWidget *mainwindow;
-
 #define Dialog_DialogBasicSettings "DialogBasicSettings"
 #define Dialog_DialogEditProfile "DialogEditProfile"
 #define Dialog_DialogManageGroups "DialogManageGroups"
@@ -14,37 +11,6 @@ inline QWidget *mainwindow;
 
 // Utils
 
-inline QList<QAction *>
-CreateActions(QWidget *parent, const QList<QString> &texts, const std::function<void(QAction *)> &slot) {
-    QList<QAction *> acts;
-
-    for (const auto &text: texts) {
-        acts.push_back(new QAction(text, parent)); //按顺序来
-    }
-
-    for (int i = 0; i < acts.size(); i++) {
-        if (acts[i]->text() == "[Separator]") {
-            acts[i]->setSeparator(true);
-            acts[i]->setText("");
-            acts[i]->setDisabled(true);
-            acts[i]->setData(-1);
-        } else {
-            acts[i]->setData(i);
-            QObject::connect(acts[i], &QAction::triggered, parent, [=] {
-                slot(acts[i]);
-            });
-        }
-    }
-
-    return acts;
-}
-
-inline QMenu *CreateMenu(QWidget *parent, const QList<QString> &texts, const std::function<void(QAction *)> &slot) {
-    auto menu = new QMenu(parent);
-    menu->addActions(CreateActions(parent, texts, slot));
-    return menu;
-}
-
 #define QRegExpValidator_Number new QRegularExpressionValidator(QRegularExpression("^[0-9]+$")
 
 // NekoRay Save&Load
diff --git a/main/NekoRay.cpp b/main/NekoRay.cpp
index 22980f9..ec783f5 100644
--- a/main/NekoRay.cpp
+++ b/main/NekoRay.cpp
@@ -170,7 +170,10 @@ namespace NekoRay {
             auto item = _item.get();
             switch (item->type) {
                 case itemType::string:
-                    object.insert(item->name, *(QString *) item->ptr);
+                    // Allow Empty
+                    if (!((QString *) item->ptr)->isEmpty()) {
+                        object.insert(item->name, *(QString *) item->ptr);
+                    }
                     break;
                 case itemType::integer:
                     object.insert(item->name, *(int *) item->ptr);
diff --git a/main/NekoRay_Utils.cpp b/main/NekoRay_Utils.cpp
index 05ec689..0fe9d7a 100644
--- a/main/NekoRay_Utils.cpp
+++ b/main/NekoRay_Utils.cpp
@@ -1,7 +1,6 @@
 #include "NekoRay_Utils.hpp"
 
 #include "3rdparty/QThreadCreateThread.hpp"
-#include "main/GuiUtils.hpp"
 
 #include <random>
 
@@ -25,7 +24,7 @@ QString GetRandomString(int randomStringLength) {
 
     const QString possibleCharacters("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
 
-    std::uniform_int_distribution<int> dist(0, possibleCharacters.count() - 1);
+    std::uniform_int_distribution<int> dist(0, possibleCharacters.length() - 1);
 
     QString randomString;
     for (int i = 0; i < randomStringLength; ++i) {
diff --git a/main/NekoRay_Utils.hpp b/main/NekoRay_Utils.hpp
index 0ecada8..e34d25b 100644
--- a/main/NekoRay_Utils.hpp
+++ b/main/NekoRay_Utils.hpp
@@ -10,14 +10,17 @@
 inline QString software_name = "NekoRay";
 inline QString software_core_name = "V2Ray";
 
-inline std::function<void()> release_runguard;
+// Main Functions
 
-// Dialogs
+inline std::function<void()> MF_release_runguard;
 
-inline std::function<void(QString)> showLog;
-inline std::function<void(QString, QString)> showLog_ext;
-inline std::function<void(QString)> showLog_ext_vt100;
-inline std::function<void(QString, QString)> dialog_message;
+// MainWindow functions
+
+inline QWidget *mainwindow;
+inline std::function<void(QString)> MW_show_log;
+inline std::function<void(QString, QString)> MW_show_log_ext;
+inline std::function<void(QString)> MW_show_log_ext_vt100;
+inline std::function<void(QString, QString)> MW_dialog_message;
 
 // Utils
 
diff --git a/main/main.cpp b/main/main.cpp
index baac9e2..30d1d4c 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -74,7 +74,7 @@ int main(int argc, char *argv[]) {
             return 0;
         }
     }
-    release_runguard = [&] { guard.release(); };
+    MF_release_runguard = [&] { guard.release(); };
 
     // icons
     QIcon::setFallbackSearchPaths(QStringList{
diff --git a/rpc/gRPC.cpp b/rpc/gRPC.cpp
index f0a655b..fd60c39 100644
--- a/rpc/gRPC.cpp
+++ b/rpc/gRPC.cpp
@@ -75,7 +75,7 @@ namespace QtGrpc {
                 QStringList errstr;
                 errstr << "grpc-status error code:" << Int2String(errCode) << ", error msg:"
                        << QLatin1String(networkReply->rawHeader(GrpcStatusMessage));
-                showLog(errstr.join(" "));
+                MW_show_log(errstr.join(" "));
                 statusCode = QNetworkReply::NetworkError::ProtocolUnknownError;
                 return {};
             }
diff --git a/sub/GroupUpdater.cpp b/sub/GroupUpdater.cpp
index b73540c..02a7b17 100644
--- a/sub/GroupUpdater.cpp
+++ b/sub/GroupUpdater.cpp
@@ -57,7 +57,7 @@ namespace NekoRay::sub {
             auto j = DecodeB64IfValid(link.fragment().toUtf8(), QByteArray::Base64UrlEncoding);
             if (j.isEmpty()) return;
             ent->bean->FromJsonBytes(j.toUtf8());
-            showLog("nekoray format: " + ent->bean->DisplayTypeAndName());
+            MW_show_log("nekoray format: " + ent->bean->DisplayTypeAndName());
         }
 
         // SOCKS
@@ -138,6 +138,8 @@ namespace NekoRay::sub {
             bean->config_simple = QJsonObject2QString(result, false);
         }
 
+        if (ent == nullptr) return;
+
         // Fix
         auto stream = fmt::GetStreamSettings(ent->bean.get());
         if (needFix && stream != nullptr) {
@@ -155,7 +157,6 @@ namespace NekoRay::sub {
         }
 
         // End
-        if (ent == nullptr) return;
         profileManager->AddProfile(ent, gid_add_to);
         update_counter++;
     }
@@ -351,11 +352,11 @@ namespace NekoRay::sub {
         // 网络请求
         if (asURL) {
             auto groupName = group == nullptr ? content : group->name;
-            showLog(">>>>>>>> " + QObject::tr("Requesting subscription: %1").arg(groupName));
+            MW_show_log(">>>>>>>> " + QObject::tr("Requesting subscription: %1").arg(groupName));
 
             auto resp = NetworkRequestHelper::HttpGet(content);
             if (!resp.error.isEmpty()) {
-                showLog("<<<<<<<< " + QObject::tr("Requesting subscription %1 error: %2")
+                MW_show_log("<<<<<<<< " + QObject::tr("Requesting subscription %1 error: %2")
                         .arg(groupName, resp.error + "\n" + resp.data));
                 return;
             }
@@ -380,7 +381,7 @@ namespace NekoRay::sub {
             group->Save();
             //
             if (dataStore->sub_clear) {
-                showLog(QObject::tr("Clearing servers..."));
+                MW_show_log(QObject::tr("Clearing servers..."));
                 for (const auto &profile: in) {
                     profileManager->DeleteProfile(profile->id);
                 }
@@ -413,19 +414,15 @@ namespace NekoRay::sub {
                 notice_deleted += ent->bean->DisplayTypeAndName() + "\n";
             }
 
-            runOnUiThread([=] {
-                auto change = "\n" + QObject::tr("Added %1 profiles:\n%2\nDeleted %3 Profiles:\n%4")
-                        .arg(only_out.length()).arg(notice_added)
-                        .arg(only_in.length()).arg(notice_deleted);
-                if (only_out.length() + only_in.length() == 0) change = QObject::tr("Nothing");
-                showLog("<<<<<<<< " + QObject::tr("Change of %1:").arg(group->name) + " " + change);
-                dialog_message("SubUpdater", "finish-dingyue");
-            });
+            auto change = "\n" + QObject::tr("Added %1 profiles:\n%2\nDeleted %3 Profiles:\n%4")
+                    .arg(only_out.length()).arg(notice_added)
+                    .arg(only_in.length()).arg(notice_deleted);
+            if (only_out.length() + only_in.length() == 0) change = QObject::tr("Nothing");
+            MW_show_log("<<<<<<<< " + QObject::tr("Change of %1:").arg(group->name) + " " + change);
+            MW_dialog_message("SubUpdater", "finish-dingyue");
         } else {
             NekoRay::dataStore->imported_count = rawUpdater->update_counter;
-            runOnUiThread([=] {
-                dialog_message("SubUpdater", "finish");
-            });
+            MW_dialog_message("SubUpdater", "finish");
         }
     }
 }
diff --git a/sys/ExternalProcess.cpp b/sys/ExternalProcess.cpp
index fff8baf..a365ce3 100644
--- a/sys/ExternalProcess.cpp
+++ b/sys/ExternalProcess.cpp
@@ -14,10 +14,10 @@ namespace NekoRay::sys {
 
         if (show_log) {
             connect(this, &QProcess::readyReadStandardOutput, this, [&]() {
-                showLog_ext_vt100(readAllStandardOutput().trimmed());
+                MW_show_log_ext_vt100(readAllStandardOutput().trimmed());
             });
             connect(this, &QProcess::readyReadStandardError, this, [&]() {
-                showLog_ext_vt100(readAllStandardError().trimmed());
+                MW_show_log_ext_vt100(readAllStandardError().trimmed());
             });
         }
 
@@ -25,23 +25,23 @@ namespace NekoRay::sys {
             connect(this, &QProcess::errorOccurred, this, [&](QProcess::ProcessError error) {
                 if (!killed) {
                     crashed = true;
-                    showLog_ext(tag, "errorOccurred:" + errorString());
-                    dialog_message("ExternalProcess", "Crashed");
+                    MW_show_log_ext(tag, "errorOccurred:" + errorString());
+                    MW_dialog_message("ExternalProcess", "Crashed");
                 }
             });
             connect(this, &QProcess::stateChanged, this, [&](QProcess::ProcessState state) {
                 if (state == QProcess::NotRunning) {
                     if (killed) { // 用户命令退出
-                        showLog_ext(tag, "Stopped");
+                        MW_show_log_ext(tag, "Stopped");
                     } else if (!crashed) { // 异常退出
                         crashed = true;
-                        showLog_ext(tag, "[Error] Program exited accidentally: " + errorString());
+                        MW_show_log_ext(tag, "[Error] Program exited accidentally: " + errorString());
                         Kill();
-                        dialog_message("ExternalProcess", "Crashed");
+                        MW_dialog_message("ExternalProcess", "Crashed");
                     }
                 }
             });
-            showLog_ext(tag, "[Starting] " + env.join(" ") + " " + program + " " + arguments.join(" "));
+            MW_show_log_ext(tag, "[Starting] " + env.join(" ") + " " + program + " " + arguments.join(" "));
         }
 
         QProcess::setEnvironment(env);
@@ -66,12 +66,12 @@ namespace NekoRay::sys {
         ExternalProcess::arguments = args;
 
         connect(this, &QProcess::readyReadStandardOutput, this, [&]() {
-            showLog(readAllStandardOutput().trimmed());
+            MW_show_log(readAllStandardOutput().trimmed());
         });
         connect(this, &QProcess::readyReadStandardError, this, [&]() {
             auto log = readAllStandardError().trimmed();
             if (show_stderr) {
-                showLog(log);
+                MW_show_log(log);
                 return;
             }
             if (log.contains("token is set")) {
@@ -81,7 +81,7 @@ namespace NekoRay::sys {
         connect(this, &QProcess::errorOccurred, this, [&](QProcess::ProcessError error) {
             if (error == QProcess::ProcessError::FailedToStart) {
                 failed_to_start = true;
-                showLog("start core error occurred: " + errorString() + "\n");
+                MW_show_log("start core error occurred: " + errorString() + "\n");
             }
         });
         connect(this, &QProcess::stateChanged, this, [&](QProcess::ProcessState state) {
@@ -91,8 +91,8 @@ namespace NekoRay::sys {
                 if (failed_to_start) return; // no retry
 
                 restart_id = NekoRay::dataStore->started_id;
-                dialog_message("ExternalProcess", "Crashed");
-                showLog("[Error] core exited, restarting.\n");
+                MW_dialog_message("ExternalProcess", "Crashed");
+                MW_show_log("[Error] core exited, restarting.\n");
 
                 // Restart
                 setTimeout([=] {
@@ -103,7 +103,7 @@ namespace NekoRay::sys {
             } else if (state == QProcess::Running && restart_id >= 0) {
                 // Restart profile
                 setTimeout([=] {
-                    dialog_message("ExternalProcess", "CoreRestarted," + Int2String(restart_id));
+                    MW_dialog_message("ExternalProcess", "CoreRestarted," + Int2String(restart_id));
                     restart_id = -1;
                 }, this, 1000);
             }
diff --git a/translations/zh_CN.ts b/translations/zh_CN.ts
index 9e5b438..e9860a8 100644
--- a/translations/zh_CN.ts
+++ b/translations/zh_CN.ts
@@ -1146,7 +1146,7 @@ End: %2</source>
         <translation>克隆</translation>
     </message>
     <message>
-        <source>Update subscripton</source>
+        <source>Update subscription</source>
         <translation>更新订阅</translation>
     </message>
     <message>
@@ -1158,8 +1158,8 @@ End: %2</source>
         <translation>批量复制选中项目的分享链接 (Nekoray)</translation>
     </message>
     <message>
-        <source>Allow connections from the LAN</source>
-        <translation>允许来自局域网的连接</translation>
+        <source>Allow other devices to connect</source>
+        <translation>允许其他设备连接</translation>
     </message>
     <message>
         <source>Manual addition of profiles is not allowed in subscription groupings.</source>
@@ -1189,6 +1189,10 @@ End: %2</source>
         <source>Restart Program</source>
         <translation>重启程序</translation>
     </message>
+    <message>
+        <source>Not Running</source>
+        <translation>未启动</translation>
+    </message>
 </context>
 <context>
     <name>ProxyItem</name>
diff --git a/ui/dialog_basic_settings.cpp b/ui/dialog_basic_settings.cpp
index d5c3817..af672f9 100644
--- a/ui/dialog_basic_settings.cpp
+++ b/ui/dialog_basic_settings.cpp
@@ -220,7 +220,7 @@ DialogBasicSettings::DialogBasicSettings(QWidget *parent)
             file.open(QIODevice::ReadWrite | QIODevice::Truncate);
             file.write(Int2String(neko_core_new).toUtf8());
             file.close();
-            dialog_message("", "RestartProgram");
+            MW_dialog_message("", "RestartProgram");
         }
     };
     connect(ui->switch_core_v2ray, &QRadioButton::clicked, this, switch_core_on_click);
@@ -281,7 +281,7 @@ void DialogBasicSettings::accept() {
     D_SAVE_BOOL(insecure_hint)
     D_SAVE_BOOL(skip_cert)
 
-    dialog_message(Dialog_DialogBasicSettings, "UpdateDataStore");
+    MW_dialog_message(Dialog_DialogBasicSettings, "UpdateDataStore");
     QDialog::accept();
 }
 
@@ -304,5 +304,5 @@ void DialogBasicSettings::on_set_custom_icon_clicked() {
     } else {
         return;
     }
-    dialog_message(Dialog_DialogBasicSettings, "UpdateIcon");
+    MW_dialog_message(Dialog_DialogBasicSettings, "UpdateIcon");
 }
diff --git a/ui/dialog_hotkey.cpp b/ui/dialog_hotkey.cpp
index ea3e31e..33ac3cd 100644
--- a/ui/dialog_hotkey.cpp
+++ b/ui/dialog_hotkey.cpp
@@ -1,7 +1,7 @@
 #include "dialog_hotkey.h"
 #include "ui_dialog_hotkey.h"
 
-#include "ui/mainwindow.h"
+#include "ui/mainwindow_interface.h"
 
 DialogHotkey::DialogHotkey(QWidget *parent) :
         QDialog(parent), ui(new Ui::DialogHotkey) {
diff --git a/ui/dialog_manage_groups.cpp b/ui/dialog_manage_groups.cpp
index 70ad30d..a6e8b1a 100644
--- a/ui/dialog_manage_groups.cpp
+++ b/ui/dialog_manage_groups.cpp
@@ -48,7 +48,7 @@ void DialogManageGroups::on_add_clicked() {
     if (ret == QDialog::Accepted) {
         NekoRay::profileManager->AddGroup(ent);
         AddGroupToListIfExist(ent->id)
-        dialog_message(Dialog_DialogManageGroups, "refresh-1");
+        MW_dialog_message(Dialog_DialogManageGroups, "refresh-1");
     }
 }
 
diff --git a/ui/dialog_manage_routes.cpp b/ui/dialog_manage_routes.cpp
index 5657f80..8530fdd 100644
--- a/ui/dialog_manage_routes.cpp
+++ b/ui/dialog_manage_routes.cpp
@@ -67,7 +67,6 @@ DialogManageRoutes::DialogManageRoutes(QWidget *parent) :
     blockDomainTxt = new AutoCompleteTextEdit("geosite", sourceStringsDomain, this);
     //
     const auto sourceStringsIP = Qv2ray::components::GeositeReader::ReadGeoSiteFromFile(geositeFn);
-    qDebug() << sourceStringsIP;
     directIPTxt = new AutoCompleteTextEdit("geoip", sourceStringsIP, this);
     proxyIPTxt = new AutoCompleteTextEdit("geoip", sourceStringsIP, this);
     blockIPTxt = new AutoCompleteTextEdit("geoip", sourceStringsIP, this);
@@ -106,7 +105,7 @@ void DialogManageRoutes::accept() {
     //
     QString info = "UpdateDataStore";
     if (routeChanged) info += "RouteChanged";
-    dialog_message(Dialog_DialogManageRoutes, info);
+    MW_dialog_message(Dialog_DialogManageRoutes, info);
     QDialog::accept();
 }
 
diff --git a/ui/dialog_vpn_settings.cpp b/ui/dialog_vpn_settings.cpp
index 1f95eef..62697f9 100644
--- a/ui/dialog_vpn_settings.cpp
+++ b/ui/dialog_vpn_settings.cpp
@@ -40,6 +40,6 @@ void DialogVPNSettings::accept() {
     D_SAVE_STRING_QTEXTEDIT(vpn_bypass_cidr)
     D_SAVE_STRING_QTEXTEDIT(vpn_bypass_process)
     //
-    dialog_message("", "UpdateDataStore,VPNChanged");
+    MW_dialog_message("", "UpdateDataStore,VPNChanged");
     QDialog::accept();
 }
diff --git a/ui/edit/dialog_edit_profile.cpp b/ui/edit/dialog_edit_profile.cpp
index 04a9dae..f77b807 100644
--- a/ui/edit/dialog_edit_profile.cpp
+++ b/ui/edit/dialog_edit_profile.cpp
@@ -329,7 +329,7 @@ void DialogEditProfile::accept() {
         ent->Save();
     }
 
-    dialog_message(Dialog_DialogEditProfile, "accept");
+    MW_dialog_message(Dialog_DialogEditProfile, "accept");
     QDialog::accept();
 }
 
diff --git a/ui/edit/edit_chain.cpp b/ui/edit/edit_chain.cpp
index 04c93cc..1a83e15 100644
--- a/ui/edit/edit_chain.cpp
+++ b/ui/edit/edit_chain.cpp
@@ -1,7 +1,7 @@
 #include "edit_chain.h"
 #include "ui_edit_chain.h"
 
-#include "ui/mainwindow.h"
+#include "ui/mainwindow_interface.h"
 #include "ui/widget/ProxyItem.h"
 
 #include "db/Database.hpp"
diff --git a/ui/mainwindow.cpp b/ui/mainwindow.cpp
index 5acf8f7..b97ee60 100644
--- a/ui/mainwindow.cpp
+++ b/ui/mainwindow.cpp
@@ -54,7 +54,7 @@
 MainWindow::MainWindow(QWidget *parent)
         : QMainWindow(parent), ui(new Ui::MainWindow) {
     mainwindow = this;
-    dialog_message = [=](const QString &a, const QString &b) {
+    MW_dialog_message = [=](const QString &a, const QString &b) {
         runOnUiThread([=] {
             dialog_message_impl(a, b);
         });
@@ -137,17 +137,17 @@ MainWindow::MainWindow(QWidget *parent)
         auto bar = ui->masterLogBrowser->verticalScrollBar();
         bar->setValue(bar->maximum());
     });
-    showLog = [=](const QString &log) {
+    MW_show_log = [=](const QString &log) {
         runOnUiThread([=] {
             show_log_impl(log);
         });
     };
-    showLog_ext = [=](const QString &tag, const QString &log) {
+    MW_show_log_ext = [=](const QString &tag, const QString &log) {
         runOnUiThread([=] {
             show_log_impl("[" + tag + "] " + log);
         });
     };
-    showLog_ext_vt100 = [=](const QString &log) {
+    MW_show_log_ext_vt100 = [=](const QString &log) {
         runOnUiThread([=] {
             show_log_impl(cleanVT100String(log));
         });
@@ -257,7 +257,7 @@ MainWindow::MainWindow(QWidget *parent)
     //
     ui->menu_program_preference->addActions(ui->menu_preferences->actions());
     connect(ui->menu_add_from_clipboard2, &QAction::triggered, ui->menu_add_from_clipboard, &QAction::trigger);
-    connect(ui->actionRestart_Program, &QAction::triggered, this, [=] { dialog_message("", "RestartProgram"); });
+    connect(ui->actionRestart_Program, &QAction::triggered, this, [=] { MW_dialog_message("", "RestartProgram"); });
     //
     connect(ui->menu_program, &QMenu::aboutToShow, this, [=]() {
         ui->actionRemember_last_proxy->setChecked(NekoRay::dataStore->remember_enable);
@@ -328,7 +328,7 @@ MainWindow::MainWindow(QWidget *parent)
     });
     connect(ui->actionAllow_LAN, &QAction::triggered, this, [=](bool checked) {
         NekoRay::dataStore->inbound_address = checked ? "::" : "127.0.0.1";
-        dialog_message("", "UpdateDataStore");
+        MW_dialog_message("", "UpdateDataStore");
     });
     //
     connect(ui->checkBox_VPN, &QCheckBox::clicked, this, [=](bool checked) {
@@ -491,7 +491,7 @@ void MainWindow::dialog_message_impl(const QString &sender, const QString &info)
         // 订阅完毕
         refresh_proxy_list();
         if (!info.contains("dingyue")) {
-            showLog(tr("Imported %1 profile(s)").arg(NekoRay::dataStore->imported_count));
+            show_log_impl(tr("Imported %1 profile(s)").arg(NekoRay::dataStore->imported_count));
         }
     } else if (sender == "ExternalProcess") {
         if (info == "Crashed") {
@@ -563,7 +563,7 @@ void MainWindow::on_menu_exit_triggered() {
     hide();
     ExitNekorayCore();
     //
-    release_runguard();
+    MF_release_runguard();
     if (exit_reason == 1) {
         QDir::setCurrent(QApplication::applicationDirPath());
         QProcess::startDetached("./updater", QStringList{});
@@ -640,9 +640,9 @@ void MainWindow::refresh_status(const QString &traffic_update) {
 
     // From UI
     if (last_test_time.addSecs(2) < QTime::currentTime()) {
-        ui->label_running->setText(tr("Running: %1").arg(running.isNull()
-                                                         ? tr("None")
-                                                         : running->bean->DisplayName().left(50)));
+        auto txt = running == nullptr ? tr("Not Running")
+                                      : tr("Running: %1").arg(running->bean->DisplayName().left(50));
+        ui->label_running->setText(txt);
     }
     //
     auto display_http = tr("None");
@@ -737,6 +737,9 @@ void MainWindow::refresh_groups() {
     NekoRay::dataStore->refreshing_group_list = false;
 }
 
+void MainWindow::refresh_proxy_list(const int &id) {
+    refresh_proxy_list_impl(id, {});
+}
 
 void MainWindow::refresh_proxy_list_impl(const int &id, NekoRay::GroupSortAction groupSortAction) {
     if (id < 0) {
@@ -761,9 +764,6 @@ void MainWindow::refresh_proxy_list_impl(const int &id, NekoRay::GroupSortAction
         }
 
         auto f0 = std::make_unique<QTableWidgetItem>();
-//        auto font = f0->font();
-//        font.setPointSize(9);
-//        f0->setFont(font);
         f0->setData(114514, profile->id);
 
         // C0: is Running
@@ -779,7 +779,7 @@ void MainWindow::refresh_proxy_list_impl(const int &id, NekoRay::GroupSortAction
         // C1: Type
         f = f0->clone();
         f->setText(profile->bean->DisplayType());
-        auto insecure_hint = DisplayInsecureHint(profile->bean);
+        auto insecure_hint = profile->bean->DisplayInsecureHint();
         if (!insecure_hint.isEmpty()) {
             f->setBackground(Qt::red);
             f->setToolTip(insecure_hint);
@@ -1006,7 +1006,7 @@ void MainWindow::on_menu_copy_links_triggered() {
     }
     if (links.length() == 0) return;
     QApplication::clipboard()->setText(links.join("\n"));
-    showLog(tr("Copied %1 item(s)").arg(links.length()));
+    show_log_impl(tr("Copied %1 item(s)").arg(links.length()));
 }
 
 void MainWindow::on_menu_copy_links_nkr_triggered() {
@@ -1017,7 +1017,7 @@ void MainWindow::on_menu_copy_links_nkr_triggered() {
     }
     if (links.length() == 0) return;
     QApplication::clipboard()->setText(links.join("\n"));
-    showLog(tr("Copied %1 item(s)").arg(links.length()));
+    show_log_impl(tr("Copied %1 item(s)").arg(links.length()));
 }
 
 void MainWindow::on_menu_export_config_triggered() {
@@ -1175,7 +1175,7 @@ void MainWindow::on_menu_delete_repeat_triggered() {
 
 bool mw_sub_updating = false;
 
-void MainWindow::on_menu_update_subscripton_triggered() {
+void MainWindow::on_menu_update_subscription_triggered() {
     auto group = NekoRay::profileManager->CurrentGroup();
     if (group->url.isEmpty()) return;
     if (mw_sub_updating) return;
diff --git a/ui/mainwindow.h b/ui/mainwindow.h
index 3a23092..de03c23 100644
--- a/ui/mainwindow.h
+++ b/ui/mainwindow.h
@@ -1,6 +1,11 @@
 #pragma once
 
 #include <QMainWindow>
+
+#include "main/NekoRay.hpp"
+
+#ifndef MW_INTERFACE
+
 #include <QTableWidgetItem>
 #include <QKeyEvent>
 #include <QSystemTrayIcon>
@@ -11,9 +16,10 @@
 #include "GroupSort.hpp"
 
 #include "db/ProxyEntity.hpp"
-#include "db/Group.hpp"
 #include "main/GuiUtils.hpp"
 
+#endif
+
 namespace NekoRay::sys { class CoreProcess; }
 
 QT_BEGIN_NAMESPACE
@@ -26,11 +32,11 @@ class MainWindow : public QMainWindow {
 Q_OBJECT
 
 public:
-    MainWindow(QWidget *parent = nullptr);
+    explicit MainWindow(QWidget *parent = nullptr);
 
-    ~MainWindow();
+    ~MainWindow() override;
 
-    void refresh_proxy_list(const int &id = -1) { refresh_proxy_list_impl(id, {}); };
+    void refresh_proxy_list(const int &id = -1);
 
     void show_group(int gid);
 
@@ -62,6 +68,8 @@ public slots:
 
     void on_menu_exit_triggered();
 
+#ifndef MW_INTERFACE
+
 private slots:
 
     void on_masterLogBrowser_customContextMenuRequested(const QPoint &pos);
@@ -108,7 +116,7 @@ private slots:
 
     void on_menu_remove_unavailable_triggered();
 
-    void on_menu_update_subscripton_triggered();
+    void on_menu_update_subscription_triggered();
 
     void on_menu_resolve_domain_triggered();
 
@@ -174,6 +182,8 @@ private:
 
 protected:
     bool eventFilter(QObject *obj, QEvent *event) override;
+
+#endif // MW_INTERFACE
 };
 
 inline MainWindow *GetMainWindow() {
diff --git a/ui/mainwindow.ui b/ui/mainwindow.ui
index 8a697dd..8591673 100644
--- a/ui/mainwindow.ui
+++ b/ui/mainwindow.ui
@@ -540,7 +540,7 @@
      <addaction name="menu_delete_repeat"/>
      <addaction name="menu_resolve_domain"/>
      <addaction name="separator"/>
-     <addaction name="menu_update_subscripton"/>
+     <addaction name="menu_update_subscription"/>
     </widget>
     <addaction name="menu_add_from_input"/>
     <addaction name="menu_add_from_clipboard"/>
@@ -745,7 +745,7 @@
     <bool>true</bool>
    </property>
    <property name="text">
-    <string>Allow connections from the LAN</string>
+    <string>Allow other devices to connect</string>
    </property>
   </action>
   <action name="menu_remove_unavailable">
@@ -822,9 +822,9 @@
     <string notr="true">Ctrl+D</string>
    </property>
   </action>
-  <action name="menu_update_subscripton">
+  <action name="menu_update_subscription">
    <property name="text">
-    <string>Update subscripton</string>
+    <string>Update subscription</string>
    </property>
    <property name="shortcut">
     <string notr="true">Ctrl+U</string>
diff --git a/ui/mainwindow_grpc.cpp b/ui/mainwindow_grpc.cpp
index 0804b53..1497804 100644
--- a/ui/mainwindow_grpc.cpp
+++ b/ui/mainwindow_grpc.cpp
@@ -21,7 +21,7 @@ void MainWindow::setup_grpc() {
 #ifndef NKR_NO_GRPC
     // Setup Connection
     defaultClient = new Client([=](const QString &errStr) {
-        showLog("[Error] gRPC: " + errStr);
+        MW_show_log("[Error] gRPC: " + errStr);
     }, "127.0.0.1:" + Int2String(NekoRay::dataStore->core_port), NekoRay::dataStore->core_token);
     auto t = new QTimer();
     connect(t, &QTimer::timeout, this, [=]() {
@@ -228,7 +228,7 @@ void MainWindow::neko_start(int _id) {
 
     if (NekoRay::dataStore->started_id >= 0) neko_stop();
     show_log_impl(">>>>>>>> " + tr("Starting profile %1").arg(ent->bean->DisplayTypeAndName()));
-    auto insecure_hint = DisplayInsecureHint(ent->bean);
+    auto insecure_hint = ent->bean->DisplayInsecureHint();
     if (!insecure_hint.isEmpty()) show_log_impl(">>>>>>>> " + tr("Profile is insecure: %1").arg(insecure_hint));
 
 #ifndef NKR_NO_GRPC
diff --git a/ui/mainwindow_interface.h b/ui/mainwindow_interface.h
new file mode 100644
index 0000000..27157de
--- /dev/null
+++ b/ui/mainwindow_interface.h
@@ -0,0 +1,5 @@
+#pragma once
+
+#define MW_INTERFACE
+
+#include "mainwindow.h"
diff --git a/ui/widget/GroupItem.cpp b/ui/widget/GroupItem.cpp
index e7670b2..ab50893 100644
--- a/ui/widget/GroupItem.cpp
+++ b/ui/widget/GroupItem.cpp
@@ -109,7 +109,7 @@ void GroupItem::on_edit_clicked() {
     if (ret == QDialog::Accepted) {
         ent->Save();
         refresh_data();
-        dialog_message(Dialog_DialogManageGroups, "refresh" + Int2String(ent->id));
+        MW_dialog_message(Dialog_DialogManageGroups, "refresh" + Int2String(ent->id));
     }
 }
 
@@ -118,7 +118,7 @@ void GroupItem::on_remove_clicked() {
     if (QMessageBox::question(this, tr("Confirmation"), tr("Remove %1?").arg(ent->name)) ==
         QMessageBox::StandardButton::Yes) {
         NekoRay::profileManager->DeleteGroup(ent->id);
-        dialog_message(Dialog_DialogManageGroups, "refresh-1");
+        MW_dialog_message(Dialog_DialogManageGroups, "refresh-1");
         delete item;
     }
 }