diff --git a/GPClient/gpclient.cpp b/GPClient/gpclient.cpp
index 7649916..f760764 100644
--- a/GPClient/gpclient.cpp
+++ b/GPClient/gpclient.cpp
@@ -13,6 +13,9 @@ GPClient::GPClient(QWidget *parent)
     setFixedSize(width(), height());
     moveCenter();
 
+    settings = new QSettings("com.yuezk.qt", "GPClient");
+    ui->portalInput->setText(settings->value("portal", "").toString());
+
     QObject::connect(this, &GPClient::connectFailed, [this]() {
         ui->connectButton->setDisabled(false);
         ui->connectButton->setText("Connect");
@@ -47,6 +50,7 @@ GPClient::~GPClient()
     delete reply;
     delete loginWindow;
     delete vpn;
+    delete settings;
 }
 
 void GPClient::on_connectButton_clicked()
@@ -55,6 +59,7 @@ void GPClient::on_connectButton_clicked()
 
     if (btnText == "Connect") {
         QString portal = ui->portalInput->text();
+        settings->setValue("portal", portal);
         ui->statusLabel->setText("Authenticating...");
         ui->connectButton->setDisabled(true);
         samlLogin(portal);
diff --git a/GPClient/gpclient.h b/GPClient/gpclient.h
index c03f364..f7d5264 100644
--- a/GPClient/gpclient.h
+++ b/GPClient/gpclient.h
@@ -38,6 +38,7 @@ private:
     QNetworkAccessManager *networkManager;
     QNetworkReply *reply;
     com::yuezk::qt::GPService *vpn;
+    QSettings *settings;
 
     void moveCenter();
     void samlLogin(const QString portal);
diff --git a/GPClient/gpclient.ui b/GPClient/gpclient.ui
index afabdfb..d6c945e 100644
--- a/GPClient/gpclient.ui
+++ b/GPClient/gpclient.ui
@@ -66,7 +66,7 @@
       <item>
        <widget class="QLineEdit" name="portalInput">
         <property name="text">
-         <string>vpn.microstrategy.com</string>
+         <string/>
         </property>
         <property name="placeholderText">
          <string>Please enter your portal address</string>