diff --git a/yanndroid/oneui/src/main/java/androidx/reflect/SeslBaseReflector.java b/yanndroid/oneui/src/main/java/androidx/reflect/SeslBaseReflector.java
index 4b6a9849..2f226c3a 100644
--- a/yanndroid/oneui/src/main/java/androidx/reflect/SeslBaseReflector.java
+++ b/yanndroid/oneui/src/main/java/androidx/reflect/SeslBaseReflector.java
@@ -2,6 +2,7 @@
 
 import android.util.Log;
 
+import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
@@ -203,4 +204,13 @@ public static void set(Object obj, Field field, Object obj2) {
             Log.e(TAG, field.getName() + " IllegalArgumentException", e2);
         }
     }
+
+    public static Constructor<?> getConstructor(String str, Class<?>... clsArr) {
+        try {
+            return Class.forName(str).getDeclaredConstructor(clsArr);
+        } catch (ClassNotFoundException | NoSuchMethodException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
 }
diff --git a/yanndroid/oneui/src/main/java/androidx/reflect/provider/SeslSystemReflector.java b/yanndroid/oneui/src/main/java/androidx/reflect/provider/SeslSystemReflector.java
index 44573595..edfbe8d2 100644
--- a/yanndroid/oneui/src/main/java/androidx/reflect/provider/SeslSystemReflector.java
+++ b/yanndroid/oneui/src/main/java/androidx/reflect/provider/SeslSystemReflector.java
@@ -27,4 +27,13 @@ public static String getField_SEM_PEN_HOVERING() {
         }
         return obj instanceof String ? (String) obj : "pen_hovering";
     }
+
+    public static String getField_SEM_ACCESSIBILITY_REDUCE_TRANSPARENCY() {
+        Method declaredMethod;
+        Object obj = null;
+        if (Build.VERSION.SDK_INT >= 31 && (declaredMethod = SeslBaseReflector.getDeclaredMethod(mClass, "hidden_SEM_ACCESSIBILITY_REDUCE_TRANSPARENCY", new Class[0])) != null) {
+            obj = SeslBaseReflector.invoke(null, declaredMethod, new Object[0]);
+        }
+        return obj instanceof String ? (String) obj : "not_supported";
+    }
 }
\ No newline at end of file
diff --git a/yanndroid/oneui/src/main/java/androidx/reflect/view/SeslSemBlurInfoReflector.java b/yanndroid/oneui/src/main/java/androidx/reflect/view/SeslSemBlurInfoReflector.java
new file mode 100644
index 00000000..df24fec9
--- /dev/null
+++ b/yanndroid/oneui/src/main/java/androidx/reflect/view/SeslSemBlurInfoReflector.java
@@ -0,0 +1,70 @@
+package androidx.reflect.view;
+
+import android.os.Build;
+import android.util.Log;
+import android.view.View;
+
+import androidx.reflect.SeslBaseReflector;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+public class SeslSemBlurInfoReflector {
+    private static final String TAG = "SeslSemBlurInfoReflector";
+    private static final String mBuilderClass = "android.view.SemBlurInfo$Builder";
+
+    private SeslSemBlurInfoReflector() {
+    }
+
+    public static Object semCreateBlurBuilder(int i) {
+        Constructor<?> constructor = SeslBaseReflector.getConstructor(mBuilderClass, Integer.TYPE);
+        if (Build.VERSION.SDK_INT >= 31 && constructor != null) {
+            try {
+                return constructor.newInstance(Integer.valueOf(i));
+            } catch (IllegalAccessException e) {
+                Log.e(TAG, "semCreateBlurBuilder IllegalAccessException", e);
+            } catch (InstantiationException e2) {
+                Log.e(TAG, "semCreateBlurBuilder InstantiationException", e2);
+            } catch (InvocationTargetException e3) {
+                Log.e(TAG, "semCreateBlurBuilder InvocationTargetException", e3);
+            }
+        }
+        return null;
+    }
+
+    public static Object semSetBuilderBlurRadius(Object obj, int i) {
+        Method declaredMethod = Build.VERSION.SDK_INT >= 31 ? SeslBaseReflector.getDeclaredMethod(mBuilderClass, "hidden_setRadius", Integer.TYPE) : null;
+        if (declaredMethod != null) {
+            declaredMethod.setAccessible(true);
+            SeslBaseReflector.invoke(obj, declaredMethod, Integer.valueOf(i));
+        }
+        return obj;
+    }
+
+    public static Object semSetBuilderBlurBackgroundColor(Object obj, int i) {
+        Method declaredMethod = Build.VERSION.SDK_INT >= 31 ? SeslBaseReflector.getDeclaredMethod(mBuilderClass, "hidden_setBackgroundColor", Integer.TYPE) : null;
+        if (declaredMethod != null) {
+            declaredMethod.setAccessible(true);
+            SeslBaseReflector.invoke(obj, declaredMethod, Integer.valueOf(i));
+        }
+        return obj;
+    }
+
+    public static Object semSetBuilderBlurBackgroundCornerRadius(Object obj, float f) {
+        Method declaredMethod = Build.VERSION.SDK_INT >= 31 ? SeslBaseReflector.getDeclaredMethod(mBuilderClass, "hidden_setBackgroundCornerRadius", Float.TYPE) : null;
+        if (declaredMethod != null) {
+            declaredMethod.setAccessible(true);
+            SeslBaseReflector.invoke(obj, declaredMethod, Float.valueOf(f));
+        }
+        return obj;
+    }
+
+    public static void semBuildSetBlurInfo(Object obj, View view) {
+        Method declaredMethod = Build.VERSION.SDK_INT >= 31 ? SeslBaseReflector.getDeclaredMethod(mBuilderClass, "hidden_build", new Class[0]) : null;
+        if (declaredMethod != null) {
+            declaredMethod.setAccessible(true);
+            SeslViewReflector.semSetBlurInfo(view, SeslBaseReflector.invoke(obj, declaredMethod, new Object[0]));
+        }
+    }
+}
diff --git a/yanndroid/oneui/src/main/java/androidx/reflect/view/SeslViewReflector.java b/yanndroid/oneui/src/main/java/androidx/reflect/view/SeslViewReflector.java
index bce5c7ac..76ee1519 100644
--- a/yanndroid/oneui/src/main/java/androidx/reflect/view/SeslViewReflector.java
+++ b/yanndroid/oneui/src/main/java/androidx/reflect/view/SeslViewReflector.java
@@ -2,6 +2,7 @@
 
 import android.graphics.Rect;
 import android.os.Build;
+import android.util.Log;
 import android.view.PointerIcon;
 import android.view.View;
 
@@ -11,6 +12,7 @@
 import java.lang.reflect.Method;
 
 public class SeslViewReflector {
+    private static final String TAG = "SeslViewReflector";
     private static final Class<?> mClass = View.class;
 
     private SeslViewReflector() {
@@ -165,6 +167,19 @@ public static boolean isHoveringUIEnabled(View view) {
         return false;
     }
 
+    public static void semSetBlurInfo(View view, Object obj) {
+        if (Build.VERSION.SDK_INT >= 31) {
+            try {
+                Method declaredMethod = SeslBaseReflector.getDeclaredMethod(mClass, "hidden_semSetBlurInfo", Class.forName("android.view.SemBlurInfo"));
+                if (declaredMethod != null) {
+                    SeslBaseReflector.invoke(view, declaredMethod, obj);
+                }
+            } catch (ClassNotFoundException e) {
+                Log.e(TAG, "semSetBlurInfo ClassNotFoundException", e);
+            }
+        }
+    }
+
     public static void semSetPointerIcon(View view, int i, PointerIcon pointerIcon) {
         Method method;
         if (Build.VERSION.SDK_INT >= 29) {
diff --git a/yanndroid/oneui/src/main/java/de/dlyt/yanndroid/oneui/menu/PopupMenu.java b/yanndroid/oneui/src/main/java/de/dlyt/yanndroid/oneui/menu/PopupMenu.java
index 58ef9fc2..a787ab93 100644
--- a/yanndroid/oneui/src/main/java/de/dlyt/yanndroid/oneui/menu/PopupMenu.java
+++ b/yanndroid/oneui/src/main/java/de/dlyt/yanndroid/oneui/menu/PopupMenu.java
@@ -2,6 +2,7 @@
 
 import android.content.Context;
 import android.graphics.Typeface;
+import android.provider.Settings;
 import android.util.TypedValue;
 import android.view.Gravity;
 import android.view.KeyEvent;
@@ -15,6 +16,8 @@
 
 import androidx.annotation.MenuRes;
 import androidx.core.content.res.ResourcesCompat;
+import androidx.reflect.provider.SeslSystemReflector;
+import androidx.reflect.view.SeslSemBlurInfoReflector;
 
 import java.util.ArrayList;
 
@@ -38,6 +41,7 @@ public class PopupMenu {
     private CharSequence title;
 
     private int mAnimationStyleRes = 0;
+    private boolean mBlurEffectEnabled;
     private boolean mGroupDividerEnabled;
 
     private int lastGroupId = 0;
@@ -48,6 +52,7 @@ public PopupMenu(View anchor) {
         this.context = anchor.getContext();
         this.anchor = anchor;
         mIsOneUI4 = context.getTheme().obtainStyledAttributes(new int[]{R.attr.isOneUI4}).getBoolean(0, false);
+        mBlurEffectEnabled = mIsOneUI4;
     }
 
     public interface PopupMenuListener {
@@ -178,6 +183,29 @@ private TextView createTitleView() {
         return titleView;
     }
 
+    private boolean isReduceTransparencySettingsEnabled() {
+        String reduceTransparencyFlag = SeslSystemReflector.getField_SEM_ACCESSIBILITY_REDUCE_TRANSPARENCY();
+        return !reduceTransparencyFlag.equals("not_supported") && Settings.System.getInt(context.getContentResolver(), reduceTransparencyFlag, 0) == 1;
+    }
+
+    private void setupBlurEffect() {
+        if (mBlurEffectEnabled) {
+            if (popupWindow.getContentView() != null && context != null) {
+                Object blurBuilder = SeslSemBlurInfoReflector.semCreateBlurBuilder(0 /* SemBlurInfo.BLUR_MODE_WINDOW */);
+
+                if (blurBuilder != null && !isReduceTransparencySettingsEnabled()) {
+                    SeslSemBlurInfoReflector.semSetBuilderBlurRadius(blurBuilder, 120);
+                    SeslSemBlurInfoReflector.semSetBuilderBlurBackgroundColor(blurBuilder, context.getResources().getColor(R.color.sesl_popup_menu_blur_background));
+                    SeslSemBlurInfoReflector.semSetBuilderBlurBackgroundCornerRadius(blurBuilder, context.getResources().getDimension(R.dimen.sesl_menu_popup_corner_radius));
+                    SeslSemBlurInfoReflector.semBuildSetBlurInfo(blurBuilder, popupWindow.getContentView());
+                    if (listView != null) {
+                        listView.setOverScrollMode(View.OVER_SCROLL_NEVER);
+                    }
+                }
+            }
+        }
+    }
+
     private boolean shouldShowGroupDivider(MenuItem menuItem) {
         if (mGroupDividerEnabled) {
             if (menuItem.getGroupId() == lastGroupId) {
@@ -228,6 +256,7 @@ public void show() {
     public void show(int xoff, int yoff) {
         this.xoff = xoff;
         this.yoff = yoff;
+        setupBlurEffect();
         popupWindow.showAsDropDown(anchor, xoff, yoff);
         updatePopupSize();
         ((View) ReflectUtils.genericGetField(popupWindow, "mBackgroundView")).setClipToOutline(true);
@@ -240,6 +269,10 @@ public void setAnimationStyle(int animationStyle) {
         }
     }
 
+    public void setBlurEffectEnabled(boolean enabled) {
+        mBlurEffectEnabled = enabled;
+    }
+
     public void setGroupDividerEnabled(boolean enabled) {
         mGroupDividerEnabled = enabled;
 
diff --git a/yanndroid/oneui/src/main/res/values-night/colors.xml b/yanndroid/oneui/src/main/res/values-night/colors.xml
index 2a3b1bf0..fc73c4ee 100644
--- a/yanndroid/oneui/src/main/res/values-night/colors.xml
+++ b/yanndroid/oneui/src/main/res/values-night/colors.xml
@@ -76,6 +76,7 @@
     <color name="sesl_menu_popup_background_stroke_color">#ff252525</color>
     <color name="sesl4_menu_popup_background_color">#ff3a3a3a</color>
     <color name="sesl4_menu_popup_background_stroke_color">#ff3a3a3a</color>
+    <color name="sesl_popup_menu_blur_background">#d6252525</color>
     <color name="sesl_spinner_dropdown_item_text_color_normal">#fffafafa</color>
     <color name="sesl_spinner_dropdown_item_text_color_disabled">#66fafafa</color>
     <color name="sesl_spinner_icon_color_default">#ffd9d9d9</color>
diff --git a/yanndroid/oneui/src/main/res/values/colors.xml b/yanndroid/oneui/src/main/res/values/colors.xml
index cba9ab7e..44ed5ae4 100644
--- a/yanndroid/oneui/src/main/res/values/colors.xml
+++ b/yanndroid/oneui/src/main/res/values/colors.xml
@@ -135,6 +135,7 @@
     <color name="sesl_menu_popup_background_stroke_color">#fffcfcfc</color>
     <color name="sesl4_menu_popup_background_color">#fffcfcfc</color>
     <color name="sesl4_menu_popup_background_stroke_color">#fffcfcfc</color>
+    <color name="sesl_popup_menu_blur_background">#e6fcfcfc</color>
     <color name="sesl_popup_menu_item_text_color_checked">?colorPrimaryDark</color>
     <color name="sesl_spinner_dropdown_item_checkmark">?colorPrimaryDark</color>
     <color name="sesl_spinner_dropdown_item_text_color_disabled">#66000000</color>