diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index bc6967652..081bb30c9 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -34,7 +34,7 @@
         <item name="android:background">@drawable/shape_bottom_sheet</item>
     </style>
 
-    <style name="ThemeOverlay.App.BottomSheetDialog" parent="Theme.MaterialComponents.Light.BottomSheetDialog">
+    <style name="ThemeOverlay.App.BottomSheetDialog" parent="Theme.MaterialComponents.DayNight.BottomSheetDialog">
         <item name="bottomSheetStyle">@style/ModalBottomSheetDialog</item>
         <item name="android:backgroundDimEnabled">false</item>
         <item name="android:windowIsFloating">false</item>
diff --git a/app/src/mobile/java/com/fongmi/android/tv/Product.java b/app/src/mobile/java/com/fongmi/android/tv/Product.java
index 9b39492c2..086171997 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/Product.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/Product.java
@@ -38,12 +38,14 @@ public class Product {
     }
 
     private static Bitmap crop(Bitmap bitmap) {
+        int width = ResUtil.getScreenWidth();
+        int height = ResUtil.getScreenHeight();
         if (bitmap.getWidth() >= bitmap.getHeight()) {
             return Bitmap.createBitmap(bitmap, bitmap.getWidth() / 2 - bitmap.getHeight() / 2, 0, bitmap.getHeight(), bitmap.getHeight());
+        } else if (bitmap.getWidth() < width && bitmap.getHeight() < height) {
+            return bitmap;
         } else {
             Matrix matrix = new Matrix();
-            int width = ResUtil.getScreenWidth();
-            int height = ResUtil.getScreenHeight();
             matrix.postScale((float) width / bitmap.getWidth(), (float) height / bitmap.getHeight());
             return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, false);
         }
diff --git a/app/src/mobile/res/drawable-nodpi/wallpaper_3.webp b/app/src/mobile/res/drawable-nodpi/wallpaper_3.webp
index c720a5549..d70fc514e 100644
Binary files a/app/src/mobile/res/drawable-nodpi/wallpaper_3.webp and b/app/src/mobile/res/drawable-nodpi/wallpaper_3.webp differ
diff --git a/app/src/mobile/res/drawable-nodpi/wallpaper_4.webp b/app/src/mobile/res/drawable-nodpi/wallpaper_4.webp
index d70fc514e..b11041b6b 100644
Binary files a/app/src/mobile/res/drawable-nodpi/wallpaper_4.webp and b/app/src/mobile/res/drawable-nodpi/wallpaper_4.webp differ
diff --git a/app/src/mobile/res/drawable/shape_bottom_sheet.xml b/app/src/mobile/res/drawable/shape_bottom_sheet.xml
index 67e75be04..8ce32fe3f 100644
--- a/app/src/mobile/res/drawable/shape_bottom_sheet.xml
+++ b/app/src/mobile/res/drawable/shape_bottom_sheet.xml
@@ -2,7 +2,7 @@
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
 
-    <solid android:color="@color/white" />
+    <solid android:color="?attr/colorSurface" />
 
     <corners
         android:topLeftRadius="12dp"