diff --git a/src/main.cpp b/src/main.cpp
index fe9a7ffa..f5475388 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -104,8 +104,10 @@ int main(int argc, char *argv[])
 
     //
     QApplication _qApp(argc, argv);
+
     // Qv2ray Initialize
-    initQv();
+    if (!initQv()) return -1;
+
 #ifdef _WIN32
     // Set special font in Windows
     QFont font;
diff --git a/src/w_PrefrencesWindow.cpp b/src/w_PrefrencesWindow.cpp
index bd1a3601..7ba5db7f 100644
--- a/src/w_PrefrencesWindow.cpp
+++ b/src/w_PrefrencesWindow.cpp
@@ -33,7 +33,7 @@ PrefrencesWindow::PrefrencesWindow(QWidget *parent) : QDialog(parent),
     //
     bool have_http = CurrentConfig.inBoundSettings.http_port != 0;
     ui->httpCB->setChecked(have_http);
-    ui->httpPortLE->setText(QSTRING(to_string(CurrentConfig.inBoundSettings.http_port)));
+    ui->httpPortLE->setValue(CurrentConfig.inBoundSettings.http_port);
     ui->httpAuthCB->setChecked(CurrentConfig.inBoundSettings.http_useAuth);
     //
     ui->httpAuthCB->setEnabled(have_http);
@@ -42,12 +42,11 @@ PrefrencesWindow::PrefrencesWindow(QWidget *parent) : QDialog(parent),
     ui->httpAuthPasswordTxt->setEnabled(have_http && CurrentConfig.inBoundSettings.http_useAuth);
     ui->httpAuthUsernameTxt->setText(QSTRING(CurrentConfig.inBoundSettings.httpAccount.user));
     ui->httpAuthPasswordTxt->setText(QSTRING(CurrentConfig.inBoundSettings.httpAccount.pass));
-    ui->httpPortLE->setValidator(new QIntValidator());
     //
     //
     bool have_socks = CurrentConfig.inBoundSettings.socks_port != 0;
     ui->socksCB->setChecked(have_socks);
-    ui->socksPortLE->setText(QSTRING(to_string(CurrentConfig.inBoundSettings.socks_port)));
+    ui->socksPortLE->setValue(CurrentConfig.inBoundSettings.socks_port);
     ui->socksAuthCB->setChecked(CurrentConfig.inBoundSettings.socks_useAuth);
     //
     ui->socksAuthCB->setEnabled(have_socks);
@@ -56,7 +55,6 @@ PrefrencesWindow::PrefrencesWindow(QWidget *parent) : QDialog(parent),
     ui->socksAuthPasswordTxt->setEnabled(have_socks && CurrentConfig.inBoundSettings.socks_useAuth);
     ui->socksAuthUsernameTxt->setText(QSTRING(CurrentConfig.inBoundSettings.socksAccount.user));
     ui->socksAuthPasswordTxt->setText(QSTRING(CurrentConfig.inBoundSettings.socksAccount.pass));
-    ui->socksPortLE->setValidator(new QIntValidator());
     //
     //
     ui->vCoreAssetsPathTxt->setText(QSTRING(CurrentConfig.v2AssetsPath));
@@ -118,7 +116,7 @@ void PrefrencesWindow::on_httpCB_stateChanged(int checked)
     CurrentConfig.inBoundSettings.http_port = checked == Qt::Checked ? CurrentConfig.inBoundSettings.http_port : 0;
 
     if (checked != Qt::Checked) {
-        ui->httpPortLE->setText("0");
+        ui->httpPortLE->setValue(0);
     }
 }
 
@@ -132,7 +130,7 @@ void PrefrencesWindow::on_socksCB_stateChanged(int checked)
     CurrentConfig.inBoundSettings.socks_port = checked == Qt::Checked ? CurrentConfig.inBoundSettings.socks_port : 0;
 
     if (checked != Qt::Checked) {
-        ui->socksPortLE->setText("0");
+        ui->socksPortLE->setValue(0);
     }
 }
 
@@ -197,18 +195,6 @@ void PrefrencesWindow::on_listenIPTxt_textEdited(const QString &arg1)
     CurrentConfig.inBoundSettings.listenip = arg1.toStdString();
 }
 
-void PrefrencesWindow::on_socksPortLE_textEdited(const QString &arg1)
-{
-    NEEDRESTART
-    CurrentConfig.inBoundSettings.socks_port = stoi(arg1.toStdString());
-}
-
-void PrefrencesWindow::on_httpPortLE_textEdited(const QString &arg1)
-{
-    NEEDRESTART
-    CurrentConfig.inBoundSettings.http_port = stoi(arg1.toStdString());
-}
-
 void PrefrencesWindow::on_httpAuthUsernameTxt_textEdited(const QString &arg1)
 {
     NEEDRESTART
@@ -348,3 +334,15 @@ void PrefrencesWindow::on_tProxyCheckBox_stateChanged(int arg1)
     QvMessageBox(this, tr("Prefrences"), tr("tProxy is not supported on macOS and Windows"));
 #endif
 }
+
+void PrefrencesWindow::on_socksPortLE_valueChanged(int arg1)
+{
+    NEEDRESTART
+    CurrentConfig.inBoundSettings.socks_port = arg1;
+}
+
+void PrefrencesWindow::on_httpPortLE_valueChanged(int arg1)
+{
+    NEEDRESTART
+    CurrentConfig.inBoundSettings.http_port = arg1;
+}
diff --git a/src/w_PrefrencesWindow.h b/src/w_PrefrencesWindow.h
index 93c53f63..bd6a2a62 100644
--- a/src/w_PrefrencesWindow.h
+++ b/src/w_PrefrencesWindow.h
@@ -43,9 +43,9 @@ class PrefrencesWindow : public QDialog
 
         void on_listenIPTxt_textEdited(const QString &arg1);
 
-        void on_socksPortLE_textEdited(const QString &arg1);
+        void on_socksPortLE_valueChanged(int arg1);
 
-        void on_httpPortLE_textEdited(const QString &arg1);
+        void on_httpPortLE_valueChanged(int arg1);
 
         void on_httpAuthUsernameTxt_textEdited(const QString &arg1);
 
diff --git a/src/w_PrefrencesWindow.ui b/src/w_PrefrencesWindow.ui
index 20843932..abf9508d 100644
--- a/src/w_PrefrencesWindow.ui
+++ b/src/w_PrefrencesWindow.ui
@@ -29,7 +29,7 @@
       <enum>QTabWidget::Rounded</enum>
      </property>
      <property name="currentIndex">
-      <number>0</number>
+      <number>2</number>
      </property>
      <widget class="QWidget" name="tab">
       <attribute name="title">
@@ -247,9 +247,12 @@
              </widget>
             </item>
             <item row="1" column="1">
-             <widget class="QLineEdit" name="socksPortLE">
-              <property name="text">
-               <string/>
+             <widget class="QSpinBox" name="socksPortLE">
+              <property name="minimum">
+               <number>1</number>
+              </property>
+              <property name="maximum">
+               <number>65535</number>
               </property>
              </widget>
             </item>
@@ -314,15 +317,12 @@
              </widget>
             </item>
             <item row="1" column="1">
-             <widget class="QLineEdit" name="httpPortLE">
-              <property name="text">
-               <string/>
+             <widget class="QSpinBox" name="httpPortLE">
+              <property name="minimum">
+               <number>1</number>
               </property>
-              <property name="dragEnabled">
-               <bool>false</bool>
-              </property>
-              <property name="clearButtonEnabled">
-               <bool>false</bool>
+              <property name="maximum">
+               <number>65535</number>
               </property>
              </widget>
             </item>