diff --git a/qmui/src/main/java/com/qmuiteam/qmui/util/QMUIStatusBarHelper.java b/qmui/src/main/java/com/qmuiteam/qmui/util/QMUIStatusBarHelper.java
index 26495b81c..7677b383a 100644
--- a/qmui/src/main/java/com/qmuiteam/qmui/util/QMUIStatusBarHelper.java
+++ b/qmui/src/main/java/com/qmuiteam/qmui/util/QMUIStatusBarHelper.java
@@ -35,13 +35,11 @@ public class QMUIStatusBarHelper {
     private static Integer sTransparentValue;
 
     public static void translucent(Activity activity) {
-        translucent(activity, 0x40000000);
+        translucent(activity.getWindow());
     }
 
-    private static boolean supportTranslucent() {
-        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
-                // Essential Phone 在 Android 8 之前沉浸式做得不全，系统不从状态栏顶部开始布局却会下发 WindowInsets
-                && !(QMUIDeviceHelper.isEssentialPhone() && Build.VERSION.SDK_INT < Build.VERSION_CODES.O);
+    public static void translucent(Window window) {
+        translucent(window, 0x40000000);
     }
 
     /**
@@ -50,13 +48,16 @@ private static boolean supportTranslucent() {
      *
      * @param activity 需要被设置沉浸式状态栏的 Activity。
      */
-    @TargetApi(19)
     public static void translucent(Activity activity, @ColorInt int colorOn5x) {
+        translucent(activity.getWindow(), colorOn5x);
+    }
+
+    @TargetApi(19)
+    public static void translucent(Window window, @ColorInt int colorOn5x) {
         if (!supportTranslucent()) {
             // 版本小于4.4，绝对不考虑沉浸式
             return;
         }
-        Window window = activity.getWindow();
         // 小米和魅族4.4 以上版本支持沉浸式
         if (QMUIDeviceHelper.isMeizu() || QMUIDeviceHelper.isMIUI()) {
             window.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS,
@@ -64,11 +65,8 @@ public static void translucent(Activity activity, @ColorInt int colorOn5x) {
             return;
         }
 
-        if(QMUINotchHelper.isNotchOfficialSupport()){
-            WindowManager.LayoutParams params = window.getAttributes();
-            params.layoutInDisplayCutoutMode = WindowManager.LayoutParams
-                    .LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES;
-            window.setAttributes(params);
+        if (QMUINotchHelper.isNotchOfficialSupport()) {
+            handleDisplayCutoutMode(window);
         }
 
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
@@ -103,6 +101,20 @@ public static void translucent(Activity activity, @ColorInt int colorOn5x) {
         }
     }
 
+    @TargetApi(28)
+    private static void handleDisplayCutoutMode(Window window) {
+        WindowManager.LayoutParams params = window.getAttributes();
+        params.layoutInDisplayCutoutMode = WindowManager.LayoutParams
+                .LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES;
+        window.setAttributes(params);
+    }
+
+    private static boolean supportTranslucent() {
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
+                // Essential Phone 在 Android 8 之前沉浸式做得不全，系统不从状态栏顶部开始布局却会下发 WindowInsets
+                && !(QMUIDeviceHelper.isEssentialPhone() && Build.VERSION.SDK_INT < Build.VERSION_CODES.O);
+    }
+
     /**
      * 设置状态栏黑色字体图标，
      * 支持 4.4 以上版本 MIUI 和 Flyme，以及 6.0 以上版本的其他 Android
@@ -252,7 +264,7 @@ public static boolean MIUISetStatusBarLightMode(Window window, boolean light) {
      * 见小米开发文档说明：https://dev.mi.com/console/doc/detail?pId=1159
      */
     private static boolean isMIUICustomStatusBarLightModeImpl() {
-        if (QMUIDeviceHelper.isMIUIV9() && Build.VERSION.SDK_INT < Build.VERSION_CODES.M){
+        if (QMUIDeviceHelper.isMIUIV9() && Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
             return true;
         }
         return QMUIDeviceHelper.isMIUIV5() || QMUIDeviceHelper.isMIUIV6() ||
diff --git a/qmuidemo/src/main/java/com/qmuiteam/qmuidemo/fragment/util/QDNotchHelperFragment.java b/qmuidemo/src/main/java/com/qmuiteam/qmuidemo/fragment/util/QDNotchHelperFragment.java
index dd9e816c5..69da732ad 100644
--- a/qmuidemo/src/main/java/com/qmuiteam/qmuidemo/fragment/util/QDNotchHelperFragment.java
+++ b/qmuidemo/src/main/java/com/qmuiteam/qmuidemo/fragment/util/QDNotchHelperFragment.java
@@ -116,7 +116,7 @@ private void initTabs() {
     @Override
     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
-//        changeToFullScreen();
+        changeToFullScreen();
     }
 
     private void changeToFullScreen() {
diff --git a/qmuidemo/src/main/res/layout/fragment_notch.xml b/qmuidemo/src/main/res/layout/fragment_notch.xml
index 0ae28d52f..c4d14468c 100644
--- a/qmuidemo/src/main/res/layout/fragment_notch.xml
+++ b/qmuidemo/src/main/res/layout/fragment_notch.xml
@@ -20,13 +20,6 @@
             android:text="安全区域\nTODO vivo 显示与亮度-第三方应用显示比例\nTODO OPPO 设置-显示-应用全屏显示-凹形区域显示控制"
             android:textColor="@color/qmui_config_color_white"
             android:textSize="16sp"/>
-
-        <EditText
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_gravity="bottom"
-            android:layout_marginBottom="40dp"
-            android:padding="24dp"/>
     </com.qmuiteam.qmui.widget.QMUINotchConsumeLayout>