diff --git a/maintray.cpp b/maintray.cpp
index b730f3e..dd140d5 100644
--- a/maintray.cpp
+++ b/maintray.cpp
@@ -209,8 +209,6 @@ void MainTray::showToolTip(NetController::State state)
     case NetController::WrongPass:
         tooltipString += tr("当前状态：密码错误");
         break;
-    default:
-        break;
     }
     tooltipString += tr("(") + (netctrl->getMobile() ? tr("Mobile") : tr("PC")) + tr(")");
     tooltipString += tr("\n自动登陆：");
@@ -424,12 +422,12 @@ void MainTray::handleState(NetController::State state)
 
 void MainTray::handleInfo(QString byte, QString sec, QString balance, QString ip)
 {
-    QString mbString = QString::number(byte.toDouble() / 1048576.0, 'f', 2);
+    QString mbString = QString::number(byte.toDouble() / 1000000.0, 'f', 2);
     QString gbString = QString::number(byte.toDouble() / 1000000000.0, 'f', 2);
     QString leftoverString = QString::number(totalTraffic - byte.toDouble() / 1000000000.0, 'f', 2);
     double totalSec = sec.toDouble();
     double hour = (totalSec / 3600);
-    int min = ((totalSec - hour * 3600) / 60);
+    int min = int((totalSec - hour * 3600) / 60);
     QString second = QString::number(totalSec - hour * 3600 - min * 60);
     mbAction->setText(tr("已用流量:\t") + mbString + tr(" M"));
     timeAction->setText(tr("已用时长:\t") + QString::number(hour, 'f', 2) + tr(" 小时") /*+ ":" +QString::number(min) + ":" + second*/);
@@ -438,7 +436,7 @@ void MainTray::handleInfo(QString byte, QString sec, QString balance, QString ip
     if (!hasWarned && totalTraffic > 0)
     {
         hasWarned = true;
-        if (byte.toDouble() / 1048576.0 > totalTraffic * 1024)
+        if (byte.toDouble() / 1000000.0 > totalTraffic * 1024)
         { //流量已超
             trafficstate = Over;
             if (!muteAction->isChecked())
@@ -446,7 +444,7 @@ void MainTray::handleInfo(QString byte, QString sec, QString balance, QString ip
                     showMessage(tr("流量警告"), tr("本月流量已超"), QSystemTrayIcon::Warning);
                 });
         }
-        else if (byte.toDouble() / 1048576.0 + 5000 > totalTraffic * 1024)
+        else if (byte.toDouble() / 1000000.0 + 5000 > totalTraffic * 1024)
         { //流量将超
             trafficstate = Nearly;
             if (!muteAction->isChecked())
diff --git a/netcontroller.cpp b/netcontroller.cpp
index f2f3e89..1a8e0e7 100644
--- a/netcontroller.cpp
+++ b/netcontroller.cpp
@@ -11,7 +11,13 @@ NetController::NetController(QByteArray id, QByteArray passwd, QObject *parent)
     desktopRequest.setRawHeader("Cache-Control", "max-age=0");
     desktopRequest.setRawHeader("Origin", "http://ipgw.neu.edu.cn");
     desktopRequest.setRawHeader("Upgrade-Insecure-Requests", "1");
+#ifdef Q_OS_LINUX
+    desktopRequest.setRawHeader("User-Agent", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36");
+#endif
+
+#ifdef Q_OS_WIN32
     desktopRequest.setRawHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.162 Safari/537.36");
+#endif
     desktopRequest.setRawHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8");
     desktopRequest.setRawHeader("Referer", "http://ipgw.neu.edu.cn/srun_portal_pc.php?ac_id=1&");
     desktopRequest.setRawHeader("Accept-Encoding", "gzip, deflate");
diff --git a/qt/etc/qt.conf b/qt/etc/qt.conf
index e69de29..629705c 100644
--- a/qt/etc/qt.conf
+++ b/qt/etc/qt.conf
@@ -0,0 +1,2 @@
+[Paths]
+Plugins = /usr/lib/qt/plugins/