diff --git a/QtScrcpy/device/ui/videoform.cpp b/QtScrcpy/device/ui/videoform.cpp
index 20c9602..c0b1bdf 100644
--- a/QtScrcpy/device/ui/videoform.cpp
+++ b/QtScrcpy/device/ui/videoform.cpp
@@ -66,8 +66,8 @@ void VideoForm::initUI()
 
     m_videoWidget = new QYUVOpenGLWidget();
     m_videoWidget->hide();
-    ui->keepRadioWidget->setWidget(m_videoWidget);
-    ui->keepRadioWidget->setWidthHeightRadio(m_widthHeightRatio);
+    ui->keepRatioWidget->setWidget(m_videoWidget);
+    ui->keepRatioWidget->setWidthHeightRatio(m_widthHeightRatio);
 
     m_fpsLabel = new QLabel(m_videoWidget);
     QFont ft;
@@ -81,14 +81,14 @@ void VideoForm::initUI()
 
     setMouseTracking(true);
     m_videoWidget->setMouseTracking(true);
-    ui->keepRadioWidget->setMouseTracking(true);
+    ui->keepRatioWidget->setMouseTracking(true);
 }
 
 QRect VideoForm::getGrabCursorRect()
 {
     QRect rc;
 #if defined(Q_OS_WIN32)
-    rc = QRect(ui->keepRadioWidget->mapToGlobal(m_videoWidget->pos()), m_videoWidget->size());
+    rc = QRect(ui->keepRatioWidget->mapToGlobal(m_videoWidget->pos()), m_videoWidget->size());
     // high dpi support
     rc.setTopLeft(rc.topLeft() * m_videoWidget->devicePixelRatio());
     rc.setBottomRight(rc.bottomRight() * m_videoWidget->devicePixelRatio());
@@ -99,15 +99,15 @@ QRect VideoForm::getGrabCursorRect()
     rc.setHeight(rc.height() - 20);
 #elif defined(Q_OS_OSX)
     rc = m_videoWidget->geometry();
-    rc.setTopLeft(ui->keepRadioWidget->mapToGlobal(rc.topLeft()));
-    rc.setBottomRight(ui->keepRadioWidget->mapToGlobal(rc.bottomRight()));
+    rc.setTopLeft(ui->keepRatioWidget->mapToGlobal(rc.topLeft()));
+    rc.setBottomRight(ui->keepRatioWidget->mapToGlobal(rc.bottomRight()));
 
     rc.setX(rc.x() + 10);
     rc.setY(rc.y() + 10);
     rc.setWidth(rc.width() - 20);
     rc.setHeight(rc.height() - 20);
 #elif defined(Q_OS_LINUX)
-    rc = QRect(ui->keepRadioWidget->mapToGlobal(m_videoWidget->pos()), m_videoWidget->size());
+    rc = QRect(ui->keepRatioWidget->mapToGlobal(m_videoWidget->pos()), m_videoWidget->size());
     // high dpi support -- taken from the WIN32 section and untested
     rc.setTopLeft(rc.topLeft() * m_videoWidget->devicePixelRatio());
     rc.setBottomRight(rc.bottomRight() * m_videoWidget->devicePixelRatio());
@@ -137,7 +137,7 @@ void VideoForm::resizeSquare()
 
 void VideoForm::removeBlackRect()
 {
-    resize(ui->keepRadioWidget->goodSize());
+    resize(ui->keepRatioWidget->goodSize());
 }
 
 void VideoForm::showFPS(bool show)
@@ -380,7 +380,7 @@ void VideoForm::updateShowSize(const QSize &newSize)
         m_frameSize = newSize;
 
         m_widthHeightRatio = 1.0f * newSize.width() / newSize.height();
-        ui->keepRadioWidget->setWidthHeightRadio(m_widthHeightRatio);
+        ui->keepRatioWidget->setWidthHeightRatio(m_widthHeightRatio);
 
         bool vertical = m_widthHeightRatio < 1.0f ? true : false;
         QSize showSize = newSize;
@@ -426,7 +426,7 @@ void VideoForm::onSwitchFullScreen()
     if (isFullScreen()) {
         // 横屏全屏铺满全屏，恢复时，恢复保持宽高比
         if (m_widthHeightRatio > 1.0f) {
-            ui->keepRadioWidget->setWidthHeightRadio(m_widthHeightRatio);
+            ui->keepRatioWidget->setWidthHeightRatio(m_widthHeightRatio);
         }
 
         showNormal();
@@ -447,7 +447,7 @@ void VideoForm::onSwitchFullScreen()
     } else {
         // 横屏全屏铺满全屏，不保持宽高比
         if (m_widthHeightRatio > 1.0f) {
-            ui->keepRadioWidget->setWidthHeightRadio(-1.0f);
+            ui->keepRatioWidget->setWidthHeightRatio(-1.0f);
         }
 
         m_fullScreenBeforePos = pos();
@@ -646,12 +646,12 @@ void VideoForm::showEvent(QShowEvent *event)
 void VideoForm::resizeEvent(QResizeEvent *event)
 {
     Q_UNUSED(event)
-    QSize goodSize = ui->keepRadioWidget->goodSize();
+    QSize goodSize = ui->keepRatioWidget->goodSize();
     if (goodSize.isEmpty()) {
         return;
     }
     QSize curSize = size();
-    // 限制VideoForm尺寸不能小于keepRadioWidget good size
+    // 限制VideoForm尺寸不能小于keepRatioWidget good size
     if (m_widthHeightRatio > 1.0f) {
         // hor
         if (curSize.height() <= goodSize.height()) {
diff --git a/QtScrcpy/device/ui/videoform.ui b/QtScrcpy/device/ui/videoform.ui
index 6de4468..405386d 100644
--- a/QtScrcpy/device/ui/videoform.ui
+++ b/QtScrcpy/device/ui/videoform.ui
@@ -39,15 +39,15 @@
     <number>0</number>
    </property>
    <item>
-    <widget class="KeepRadioWidget" name="keepRadioWidget" native="true"/>
+    <widget class="KeepRatioWidget" name="keepRatioWidget" native="true"/>
    </item>
   </layout>
  </widget>
  <customwidgets>
   <customwidget>
-   <class>KeepRadioWidget</class>
+   <class>KeepRatioWidget</class>
    <extends>QWidget</extends>
-   <header location="global">keepradiowidget.h</header>
+   <header location="global">keepratiowidget.h</header>
    <container>1</container>
   </customwidget>
  </customwidgets>
diff --git a/QtScrcpy/uibase/keepradiowidget.h b/QtScrcpy/uibase/keepradiowidget.h
deleted file mode 100644
index ef0877a..0000000
--- a/QtScrcpy/uibase/keepradiowidget.h
+++ /dev/null
@@ -1,28 +0,0 @@
-#ifndef KEEPRADIOWIDGET_H
-#define KEEPRADIOWIDGET_H
-
-#include <QPointer>
-#include <QWidget>
-
-class KeepRadioWidget : public QWidget
-{
-    Q_OBJECT
-public:
-    explicit KeepRadioWidget(QWidget *parent = nullptr);
-    ~KeepRadioWidget();
-
-    void setWidget(QWidget *w);
-    void setWidthHeightRadio(float widthHeightRadio);
-    const QSize goodSize();
-
-protected:
-    void resizeEvent(QResizeEvent *event);
-    void adjustSubWidget();
-
-private:
-    float m_widthHeightRadio = -1.0f;
-    QPointer<QWidget> m_subWidget;
-    QSize m_goodSize;
-};
-
-#endif // KEEPRADIOWIDGET_H
diff --git a/QtScrcpy/uibase/keepradiowidget.cpp b/QtScrcpy/uibase/keepratiowidget.cpp
similarity index 53%
rename from QtScrcpy/uibase/keepradiowidget.cpp
rename to QtScrcpy/uibase/keepratiowidget.cpp
index 4e88ab0..4f22b3e 100644
--- a/QtScrcpy/uibase/keepradiowidget.cpp
+++ b/QtScrcpy/uibase/keepratiowidget.cpp
@@ -1,13 +1,13 @@
 #include <QResizeEvent>
 #include <cmath>
 
-#include "keepradiowidget.h"
+#include "keepratiowidget.h"
 
-KeepRadioWidget::KeepRadioWidget(QWidget *parent) : QWidget(parent) {}
+KeepRatioWidget::KeepRatioWidget(QWidget *parent) : QWidget(parent) {}
 
-KeepRadioWidget::~KeepRadioWidget() {}
+KeepRatioWidget::~KeepRatioWidget() {}
 
-void KeepRadioWidget::setWidget(QWidget *w)
+void KeepRatioWidget::setWidget(QWidget *w)
 {
     if (!w) {
         return;
@@ -16,30 +16,30 @@ void KeepRadioWidget::setWidget(QWidget *w)
     m_subWidget = w;
 }
 
-void KeepRadioWidget::setWidthHeightRadio(float widthHeightRadio)
+void KeepRatioWidget::setWidthHeightRatio(float widthHeightRatio)
 {
-    if (fabs(m_widthHeightRadio - widthHeightRadio) < 0.000001f) {
+    if (fabs(m_widthHeightRatio - widthHeightRatio) < 0.000001f) {
         return;
     }
-    m_widthHeightRadio = widthHeightRadio;
+    m_widthHeightRatio = widthHeightRatio;
     adjustSubWidget();
 }
 
-const QSize KeepRadioWidget::goodSize()
+const QSize KeepRatioWidget::goodSize()
 {
-    if (!m_subWidget || m_widthHeightRadio < 0.0f) {
+    if (!m_subWidget || m_widthHeightRatio < 0.0f) {
         return QSize();
     }
     return m_subWidget->size();
 }
 
-void KeepRadioWidget::resizeEvent(QResizeEvent *event)
+void KeepRatioWidget::resizeEvent(QResizeEvent *event)
 {
     Q_UNUSED(event)
     adjustSubWidget();
 }
 
-void KeepRadioWidget::adjustSubWidget()
+void KeepRatioWidget::adjustSubWidget()
 {
     if (!m_subWidget) {
         return;
@@ -49,15 +49,15 @@ void KeepRadioWidget::adjustSubWidget()
     QPoint pos(0, 0);
     int width = 0;
     int height = 0;
-    if (m_widthHeightRadio > 1.0f) {
+    if (m_widthHeightRatio > 1.0f) {
         // base width
         width = curSize.width();
-        height = curSize.width() / m_widthHeightRadio;
+        height = curSize.width() / m_widthHeightRatio;
         pos.setY((curSize.height() - height) / 2);
-    } else if (m_widthHeightRadio > 0.0f) {
+    } else if (m_widthHeightRatio > 0.0f) {
         // base height
         height = curSize.height();
-        width = curSize.height() * m_widthHeightRadio;
+        width = curSize.height() * m_widthHeightRatio;
         pos.setX((curSize.width() - width) / 2);
     } else {
         // full widget
diff --git a/QtScrcpy/uibase/keepratiowidget.h b/QtScrcpy/uibase/keepratiowidget.h
new file mode 100644
index 0000000..8cca3fe
--- /dev/null
+++ b/QtScrcpy/uibase/keepratiowidget.h
@@ -0,0 +1,28 @@
+#ifndef KEEPRATIOWIDGET_H
+#define KEEPRATIOWIDGET_H
+
+#include <QPointer>
+#include <QWidget>
+
+class KeepRatioWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit KeepRatioWidget(QWidget *parent = nullptr);
+    ~KeepRatioWidget();
+
+    void setWidget(QWidget *w);
+    void setWidthHeightRatio(float widthHeightRatio);
+    const QSize goodSize();
+
+protected:
+    void resizeEvent(QResizeEvent *event);
+    void adjustSubWidget();
+
+private:
+    float m_widthHeightRatio = -1.0f;
+    QPointer<QWidget> m_subWidget;
+    QSize m_goodSize;
+};
+
+#endif // KEEPRATIOWIDGET_H
diff --git a/QtScrcpy/uibase/uibase.pri b/QtScrcpy/uibase/uibase.pri
index ae4858b..cac526a 100644
--- a/QtScrcpy/uibase/uibase.pri
+++ b/QtScrcpy/uibase/uibase.pri
@@ -1,9 +1,9 @@
 FORMS +=
 
 HEADERS += \
-    $$PWD/keepradiowidget.h \
+    $$PWD/keepratiowidget.h \
     $$PWD/magneticwidget.h
 
 SOURCES += \
-    $$PWD/keepradiowidget.cpp \
+    $$PWD/keepratiowidget.cpp \
     $$PWD/magneticwidget.cpp