diff --git a/QtScrcpy/adb/adbprocess.cpp b/QtScrcpy/adb/adbprocess.cpp
index f060a81..91035fa 100644
--- a/QtScrcpy/adb/adbprocess.cpp
+++ b/QtScrcpy/adb/adbprocess.cpp
@@ -146,6 +146,20 @@ QString AdbProcess::getDeviceIPFromStdOut()
     return ip;
 }
 
+QString AdbProcess::getDeviceIPByIpFromStdOut()
+{
+    QString ip = "";
+
+    QString strIPExp = "wlan0    inet [\\d.]*";
+    QRegExp ipRegExp(strIPExp,Qt::CaseInsensitive);
+    if (ipRegExp.indexIn(m_standardOutput) != -1) {
+        ip = ipRegExp.cap(0);
+        ip = ip.right(ip.size() - 14);
+    }
+    qDebug() << "get ip: " << ip;
+    return ip;
+}
+
 QString AdbProcess::getStdOut()
 {
     return m_standardOutput;
diff --git a/QtScrcpy/adb/adbprocess.h b/QtScrcpy/adb/adbprocess.h
index aeb1b82..9fd15f1 100644
--- a/QtScrcpy/adb/adbprocess.h
+++ b/QtScrcpy/adb/adbprocess.h
@@ -31,6 +31,7 @@ public:
     void setShowTouchesEnabled(const QString& serial, bool enabled);
     QStringList getDevicesSerialFromStdOut();
     QString getDeviceIPFromStdOut();
+    QString getDeviceIPByIpFromStdOut();
     QString getStdOut();
     QString getErrorOut();
 
diff --git a/QtScrcpy/dialog.cpp b/QtScrcpy/dialog.cpp
index 3aa54bb..01b73c6 100644
--- a/QtScrcpy/dialog.cpp
+++ b/QtScrcpy/dialog.cpp
@@ -22,6 +22,7 @@ Dialog::Dialog(QWidget *parent) :
     connect(&m_adb, &AdbProcess::adbProcessResult, this, [this](AdbProcess::ADB_EXEC_RESULT processResult){
         QString log = "";
         bool newLine = true;
+        QStringList args = m_adb.arguments();
 
         switch (processResult) {
         case AdbProcess::AER_ERROR_START:
@@ -32,13 +33,15 @@ Dialog::Dialog(QWidget *parent) :
             break;
         case AdbProcess::AER_ERROR_EXEC:
             //log = m_adb.getErrorOut();
+            if (args.contains("ifconfig") && args.contains("wlan0")){
+                getIPbyIp();
+            }
             break;
         case AdbProcess::AER_ERROR_MISSING_BINARY:
             log = "adb not find";
             break;
         case AdbProcess::AER_SUCCESS_EXEC:
             //log = m_adb.getStdOut();
-            QStringList args = m_adb.arguments();
             if (args.contains("devices")) {
                 QStringList devices = m_adb.getDevicesSerialFromStdOut();
                 ui->serialBox->clear();
@@ -59,6 +62,13 @@ Dialog::Dialog(QWidget *parent) :
                     break;
                 }
                 ui->deviceIpEdt->setText(ip);
+            } else if (args.contains("ip -o a")) {
+                QString ip = m_adb.getDeviceIPByIpFromStdOut();
+                if (ip.isEmpty()) {
+                    log = "ip not find, connect to wifi?";
+                    break;
+                }
+                ui->deviceIpEdt->setText(ip);
             }
             break;
         }
@@ -285,6 +295,20 @@ void Dialog::on_getIPBtn_clicked()
     m_adb.execute(ui->serialBox->currentText().trimmed(), adbArgs);
 }
 
+void Dialog::getIPbyIp()
+{
+    if (checkAdbRun()) {
+        return;
+    }
+
+
+    QStringList adbArgs;
+    adbArgs << "shell";
+    adbArgs << "ip -o a";
+
+    m_adb.execute(ui->serialBox->currentText().trimmed(), adbArgs);
+}
+
 void Dialog::on_wirelessDisConnectBtn_clicked()
 {
     if (checkAdbRun()) {
diff --git a/QtScrcpy/dialog.h b/QtScrcpy/dialog.h
index 2b871a3..8101752 100644
--- a/QtScrcpy/dialog.h
+++ b/QtScrcpy/dialog.h
@@ -22,6 +22,7 @@ public:
 
     void outLog(const QString& log, bool newLine = true);
     bool filterLog(const QString & log);
+    void getIPbyIp();
 
 private slots:
     void on_updateDevice_clicked();
diff --git a/QtScrcpy/uibase/keepradiowidget.cpp b/QtScrcpy/uibase/keepradiowidget.cpp
index cd86516..09a5077 100644
--- a/QtScrcpy/uibase/keepradiowidget.cpp
+++ b/QtScrcpy/uibase/keepradiowidget.cpp
@@ -25,7 +25,7 @@ void KeepRadioWidget::setWidget(QWidget *w)
 
 void KeepRadioWidget::setWidthHeightRadio(float widthHeightRadio)
 {
-    if (abs(m_widthHeightRadio - widthHeightRadio) < 0.000001f) {
+    if (fabs(m_widthHeightRadio - widthHeightRadio) < 0.000001f) {
         return;
     }
     m_widthHeightRadio = widthHeightRadio;