diff --git a/db/ConfigBuilder.cpp b/db/ConfigBuilder.cpp
index 6da09d9..09005a6 100644
--- a/db/ConfigBuilder.cpp
+++ b/db/ConfigBuilder.cpp
@@ -622,7 +622,7 @@ namespace NekoGui {
             status->result->outboundStats += ent->traffic_data;
 
             // mux common
-            auto needMux = ent->type == "vmess" || ent->type == "trojan" || ent->type == "vless" || ent->type == "shadowsocks";
+            auto needMux = ent->type == "vmess" || ent->type == "trojan" || ent->type == "vless";
             needMux &= dataStore->mux_concurrency > 0;
 
             if (stream != nullptr) {
@@ -637,17 +637,13 @@ namespace NekoGui {
                 }
                 if (stream->multiplex_status == 0) {
                     if (!dataStore->mux_default_on) needMux = false;
+                } else if (stream->multiplex_status == 1) {
+                    needMux = true;
                 } else if (stream->multiplex_status == 2) {
                     needMux = false;
                 }
             }
 
-            if (ent->type == "shadowsocks") {
-                if (!IS_NEKO_BOX || outbound["udp_over_tcp"] == true || !outbound["plugin"].isNull()) {
-                    needMux = false;
-                }
-            }
-
             // common
             if (IS_NEKO_BOX) {
                 // apply domain_strategy
diff --git a/translations/fa_IR.ts b/translations/fa_IR.ts
index 6b4607d..cc0d9cb 100644
--- a/translations/fa_IR.ts
+++ b/translations/fa_IR.ts
@@ -1474,6 +1474,10 @@ End: %2</source>
         <source>Failed to stop, please restart the program.</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>Select mode, double-click or press Enter to select a profile, press ESC to exit.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>ProxyItem</name>
diff --git a/translations/zh_CN.ts b/translations/zh_CN.ts
index 63ae7b0..b8e2ba8 100644
--- a/translations/zh_CN.ts
+++ b/translations/zh_CN.ts
@@ -1481,6 +1481,10 @@ Split by line.</source>
         <source>If there is no response for a long time, it is recommended to restart the software.</source>
         <translation>如果长时间没有反应，建议重启软件。</translation>
     </message>
+    <message>
+        <source>Select mode, double-click or press Enter to select a profile, press ESC to exit.</source>
+        <translation>选择模式，双击或按回车键选择一个配置文件，按ESC键退出。</translation>
+    </message>
 </context>
 <context>
     <name>ProxyItem</name>
diff --git a/ui/mainwindow.cpp b/ui/mainwindow.cpp
index a92efa3..0ec5050 100644
--- a/ui/mainwindow.cpp
+++ b/ui/mainwindow.cpp
@@ -67,6 +67,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWi
     // Setup misc UI
     themeManager->ApplyTheme(NekoGui::dataStore->theme);
     ui->setupUi(this);
+    //
     connect(ui->menu_start, &QAction::triggered, this, [=]() { neko_start(); });
     connect(ui->menu_stop, &QAction::triggered, this, [=]() { neko_stop(); });
     connect(ui->tabWidget->tabBar(), &QTabBar::tabMoved, this, [=](int from, int to) {
@@ -79,7 +80,10 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWi
     });
     ui->label_running->installEventFilter(this);
     ui->label_inbound->installEventFilter(this);
+    ui->splitter->installEventFilter(this);
+    //
     RegisterHotkey(false);
+    //
     auto last_size = NekoGui::dataStore->mw_size.split("x");
     if (last_size.length() == 2) {
         auto w = last_size[0].toInt();
@@ -827,7 +831,12 @@ void MainWindow::refresh_status(const QString &traffic_update) {
     //
     ui->checkBox_VPN->setChecked(NekoGui::dataStore->spmode_vpn);
     ui->checkBox_SystemProxy->setChecked(NekoGui::dataStore->spmode_system_proxy);
-    if (select_mode) ui->label_running->setText("[" + tr("Select") + "]");
+    if (select_mode) {
+        ui->label_running->setText(tr("Select") + " *");
+        ui->label_running->setToolTip(tr("Select mode, double-click or press Enter to select a profile, press ESC to exit."));
+    } else {
+        ui->label_running->setToolTip({});
+    }
 
     auto make_title = [=](bool isTray) {
         QStringList tt;
@@ -1011,27 +1020,31 @@ void MainWindow::refresh_proxy_list_impl_refresh_data(const int &id) {
         auto profile = NekoGui::profileManager->GetProfile(profileId);
         if (profile == nullptr) continue;
 
+        auto isRunning = profileId == NekoGui::dataStore->started_id;
         auto f0 = std::make_unique<QTableWidgetItem>();
         f0->setData(114514, profileId);
 
         // Check state
         auto check = f0->clone();
-        check->setText(profileId == NekoGui::dataStore->started_id ? "✓" : Int2String(row + 1));
+        check->setText(isRunning ? "✓" : Int2String(row + 1));
         ui->proxyListTable->setVerticalHeaderItem(row, check);
 
         // C0: Type
         auto f = f0->clone();
         f->setText(profile->bean->DisplayType());
+        if (isRunning) f->setForeground(palette().link());
         ui->proxyListTable->setItem(row, 0, f);
 
         // C1: Address+Port
         f = f0->clone();
         f->setText(profile->bean->DisplayAddress());
+        if (isRunning) f->setForeground(palette().link());
         ui->proxyListTable->setItem(row, 1, f);
 
         // C2: Name
         f = f0->clone();
         f->setText(profile->bean->name);
+        if (isRunning) f->setForeground(palette().link());
         ui->proxyListTable->setItem(row, 2, f);
 
         // C3: Test Result
@@ -1612,6 +1625,11 @@ bool MainWindow::eventFilter(QObject *obj, QEvent *event) {
             on_menu_basic_settings_triggered();
             return true;
         }
+    } else if (event->type() == QEvent::MouseButtonDblClick) {
+        if (obj == ui->splitter) {
+            auto size = ui->splitter->size();
+            ui->splitter->setSizes({size.height() / 2, size.height() / 2});
+        }
     }
     return QMainWindow::eventFilter(obj, event);
 }
diff --git a/ui/mainwindow_grpc.cpp b/ui/mainwindow_grpc.cpp
index 03b03fa..fa1a1e0 100644
--- a/ui/mainwindow_grpc.cpp
+++ b/ui/mainwindow_grpc.cpp
@@ -278,6 +278,7 @@ void MainWindow::neko_start(int _id) {
     }
     if (!mu_stopping.tryLock()) {
         MessageBoxWarning(software_name, "Another profile is stopping...");
+        mu_starting.unlock();
         mu_stopping.unlock();
         return;
     }