diff --git a/app/build.gradle b/app/build.gradle
index 795de8bd0..9a05f1757 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,7 +10,7 @@ android {
     defaultConfig {
         applicationId "com.fongmi.android.tv"
         minSdk 24
-        targetSdk 36
+        targetSdk 28
         versionCode 456
         versionName "4.5.6"
         javaCompileOptions {
diff --git a/app/src/leanback/res/layout/activity_home.xml b/app/src/leanback/res/layout/activity_home.xml
index 9fec10300..4335560dd 100644
--- a/app/src/leanback/res/layout/activity_home.xml
+++ b/app/src/leanback/res/layout/activity_home.xml
@@ -36,8 +36,7 @@
             android:singleLine="true"
             android:text="@string/app_name"
             android:textColor="@color/white"
-            android:textSize="24sp"
-            android:textStyle="bold" />
+            android:textSize="24sp" />
 
         <com.google.android.material.textview.MaterialTextView
             android:id="@+id/clock"
diff --git a/app/src/leanback/res/layout/activity_push.xml b/app/src/leanback/res/layout/activity_push.xml
index ecc729756..8c214e880 100644
--- a/app/src/leanback/res/layout/activity_push.xml
+++ b/app/src/leanback/res/layout/activity_push.xml
@@ -19,10 +19,6 @@
         android:layout_marginTop="24dp"
         android:gravity="center"
         android:lineSpacingExtra="8dp"
-        android:shadowColor="@color/grey_900"
-        android:shadowDx="2"
-        android:shadowDy="2"
-        android:shadowRadius="1"
         android:textColor="@color/white"
         android:textSize="18sp" />
 
diff --git a/app/src/leanback/res/layout/activity_video.xml b/app/src/leanback/res/layout/activity_video.xml
index 44d28f698..a2041b7bc 100644
--- a/app/src/leanback/res/layout/activity_video.xml
+++ b/app/src/leanback/res/layout/activity_video.xml
@@ -58,7 +58,6 @@
         android:singleLine="true"
         android:textColor="@color/white"
         android:textSize="24sp"
-        android:textStyle="bold"
         tools:text="慶餘年第二季" />
 
     <com.google.android.material.textview.MaterialTextView
diff --git a/app/src/leanback/res/layout/adapter_channel.xml b/app/src/leanback/res/layout/adapter_channel.xml
index cc61ae7f3..369562441 100644
--- a/app/src/leanback/res/layout/adapter_channel.xml
+++ b/app/src/leanback/res/layout/adapter_channel.xml
@@ -19,7 +19,6 @@
         android:duplicateParentState="true"
         android:textColor="@color/channel"
         android:textSize="16sp"
-        android:textStyle="bold"
         tools:text="01" />
 
     <androidx.appcompat.widget.AppCompatImageView
@@ -38,7 +37,6 @@
         android:singleLine="true"
         android:textColor="@color/channel"
         android:textSize="16sp"
-        android:textStyle="bold"
         tools:text="CNN" />
 
 </com.fongmi.android.tv.ui.custom.CustomLeftRightLayout>
\ No newline at end of file
diff --git a/app/src/leanback/res/layout/adapter_group.xml b/app/src/leanback/res/layout/adapter_group.xml
index 5f690f164..402b73d77 100644
--- a/app/src/leanback/res/layout/adapter_group.xml
+++ b/app/src/leanback/res/layout/adapter_group.xml
@@ -20,7 +20,6 @@
         android:singleLine="true"
         android:textColor="@color/group"
         android:textSize="16sp"
-        android:textStyle="bold"
         tools:text="收藏" />
 
 </androidx.appcompat.widget.LinearLayoutCompat>
\ No newline at end of file
diff --git a/app/src/leanback/res/layout/view_widget_cast.xml b/app/src/leanback/res/layout/view_widget_cast.xml
index 92693227e..04a6e551e 100644
--- a/app/src/leanback/res/layout/view_widget_cast.xml
+++ b/app/src/leanback/res/layout/view_widget_cast.xml
@@ -17,10 +17,6 @@
             android:layout_marginEnd="16dp"
             android:layout_toStartOf="@+id/clock"
             android:ellipsize="marquee"
-            android:shadowColor="@color/grey_900"
-            android:shadowDx="4"
-            android:shadowDy="4"
-            android:shadowRadius="2"
             android:singleLine="true"
             android:textColor="@color/white"
             android:textSize="20sp"
@@ -33,10 +29,6 @@
             android:layout_below="@+id/title"
             android:layout_alignStart="@+id/title"
             android:layout_marginBottom="16dp"
-            android:shadowColor="@color/grey_900"
-            android:shadowDx="4"
-            android:shadowDy="4"
-            android:shadowRadius="2"
             android:textColor="@color/white"
             android:textSize="16sp"
             tools:text="1920 x 1080" />
@@ -46,10 +38,6 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_alignParentEnd="true"
-            android:shadowColor="@color/grey_900"
-            android:shadowDx="4"
-            android:shadowDy="4"
-            android:shadowRadius="2"
             android:textColor="@color/white"
             android:textSize="24sp"
             tools:text="09:20:00" />
diff --git a/app/src/leanback/res/layout/view_widget_live.xml b/app/src/leanback/res/layout/view_widget_live.xml
index 2985d31d2..2eec75313 100644
--- a/app/src/leanback/res/layout/view_widget_live.xml
+++ b/app/src/leanback/res/layout/view_widget_live.xml
@@ -19,10 +19,6 @@
             android:layout_marginEnd="16dp"
             android:layout_toStartOf="@+id/clock"
             android:ellipsize="marquee"
-            android:shadowColor="@color/grey_900"
-            android:shadowDx="4"
-            android:shadowDy="4"
-            android:shadowRadius="2"
             android:singleLine="true"
             android:textColor="@color/white"
             android:textSize="20sp"
@@ -34,10 +30,6 @@
             android:layout_height="wrap_content"
             android:layout_below="@+id/title"
             android:layout_alignStart="@+id/title"
-            android:shadowColor="@color/grey_900"
-            android:shadowDx="4"
-            android:shadowDy="4"
-            android:shadowRadius="2"
             android:textColor="@color/white"
             android:textSize="16sp"
             tools:text="1920 x 1080" />
@@ -47,10 +39,6 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_alignParentEnd="true"
-            android:shadowColor="@color/grey_900"
-            android:shadowDx="4"
-            android:shadowDy="4"
-            android:shadowRadius="2"
             android:textColor="@color/white"
             android:textSize="24sp"
             tools:text="09:20:00" />
@@ -118,7 +106,6 @@
         android:padding="16dp"
         android:textColor="@color/white"
         android:textSize="64sp"
-        android:textStyle="bold"
         android:visibility="gone"
         tools:text="05"
         tools:visibility="visible" />
@@ -196,7 +183,6 @@
             android:layout_marginEnd="12dp"
             android:textColor="@color/white"
             android:textSize="18sp"
-            android:textStyle="bold"
             tools:text="005" />
 
         <androidx.appcompat.widget.AppCompatImageView
@@ -215,7 +201,6 @@
             android:singleLine="true"
             android:textColor="@color/white"
             android:textSize="18sp"
-            android:textStyle="bold"
             tools:text="民視" />
 
         <com.google.android.material.textview.MaterialTextView
@@ -227,7 +212,6 @@
             android:singleLine="true"
             android:textColor="@color/white"
             android:textSize="18sp"
-            android:textStyle="bold"
             tools:text="正在播放：食神" />
 
         <com.google.android.material.textview.MaterialTextView
@@ -236,7 +220,6 @@
             android:layout_height="wrap_content"
             android:textColor="@color/white"
             android:textSize="18sp"
-            android:textStyle="bold"
             tools:text="來源 1" />
 
     </androidx.appcompat.widget.LinearLayoutCompat>
diff --git a/app/src/leanback/res/layout/view_widget_vod.xml b/app/src/leanback/res/layout/view_widget_vod.xml
index dda57ea24..9bd0bbdef 100644
--- a/app/src/leanback/res/layout/view_widget_vod.xml
+++ b/app/src/leanback/res/layout/view_widget_vod.xml
@@ -17,10 +17,6 @@
             android:layout_marginEnd="16dp"
             android:layout_toStartOf="@+id/clock"
             android:ellipsize="marquee"
-            android:shadowColor="@color/grey_900"
-            android:shadowDx="4"
-            android:shadowDy="4"
-            android:shadowRadius="2"
             android:singleLine="true"
             android:textColor="@color/white"
             android:textSize="20sp"
@@ -32,10 +28,6 @@
             android:layout_height="wrap_content"
             android:layout_below="@+id/title"
             android:layout_alignStart="@+id/title"
-            android:shadowColor="@color/grey_900"
-            android:shadowDx="4"
-            android:shadowDy="4"
-            android:shadowRadius="2"
             android:textColor="@color/white"
             android:textSize="16sp"
             tools:text="1920 x 1080" />
@@ -45,10 +37,6 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_alignParentEnd="true"
-            android:shadowColor="@color/grey_900"
-            android:shadowDx="4"
-            android:shadowDy="4"
-            android:shadowRadius="2"
             android:textColor="@color/white"
             android:textSize="24sp"
             tools:text="09:20:00" />
diff --git a/app/src/main/res/layout/activity_crash.xml b/app/src/main/res/layout/activity_crash.xml
index af5f96c38..a8ac93ea3 100644
--- a/app/src/main/res/layout/activity_crash.xml
+++ b/app/src/main/res/layout/activity_crash.xml
@@ -20,8 +20,7 @@
         android:lineSpacingExtra="4dp"
         android:text="@string/crash_info"
         android:textColor="@color/grey_200"
-        android:textSize="16sp"
-        android:textStyle="bold" />
+        android:textSize="16sp" />
 
     <com.google.android.material.button.MaterialButton
         android:id="@+id/restart"
diff --git a/app/src/mobile/res/layout-sw600dp/activity_video.xml b/app/src/mobile/res/layout-sw600dp/activity_video.xml
index 58b88eac7..a059ab23a 100644
--- a/app/src/mobile/res/layout-sw600dp/activity_video.xml
+++ b/app/src/mobile/res/layout-sw600dp/activity_video.xml
@@ -66,7 +66,6 @@
             android:singleLine="true"
             android:textColor="@color/white"
             android:textSize="20sp"
-            android:textStyle="bold"
             tools:text="慶餘年第二季" />
 
         <com.google.android.material.textview.MaterialTextView
@@ -163,8 +162,7 @@
                         android:layout_marginEnd="16dp"
                         android:text="@string/detail_flag"
                         android:textColor="@color/white"
-                        android:textSize="16sp"
-                        android:textStyle="bold" />
+                        android:textSize="16sp" />
 
                     <androidx.recyclerview.widget.RecyclerView
                         android:id="@+id/flag"
@@ -188,7 +186,6 @@
                         android:text="@string/detail_quality"
                         android:textColor="@color/white"
                         android:textSize="16sp"
-                        android:textStyle="bold"
                         android:visibility="gone"
                         tools:visibility="visible" />
 
@@ -219,8 +216,7 @@
                             android:layout_height="wrap_content"
                             android:text="@string/detail_episode"
                             android:textColor="@color/white"
-                            android:textSize="16sp"
-                            android:textStyle="bold" />
+                            android:textSize="16sp" />
 
                         <androidx.appcompat.widget.AppCompatImageView
                             android:id="@+id/reverse"
@@ -275,8 +271,7 @@
                             android:layout_marginEnd="16dp"
                             android:text="@string/detail_content"
                             android:textColor="@color/white"
-                            android:textSize="16sp"
-                            android:textStyle="bold" />
+                            android:textSize="16sp" />
 
                         <com.google.android.material.textview.MaterialTextView
                             android:id="@+id/content"
diff --git a/app/src/mobile/res/layout/activity_video.xml b/app/src/mobile/res/layout/activity_video.xml
index 562ab1f01..665308b9f 100644
--- a/app/src/mobile/res/layout/activity_video.xml
+++ b/app/src/mobile/res/layout/activity_video.xml
@@ -90,7 +90,6 @@
                         android:maxLines="3"
                         android:textColor="@color/white"
                         android:textSize="20sp"
-                        android:textStyle="bold"
                         tools:text="慶餘年第二季" />
 
                     <com.google.android.material.textview.MaterialTextView
@@ -162,8 +161,7 @@
                         android:layout_marginEnd="16dp"
                         android:text="@string/detail_flag"
                         android:textColor="@color/white"
-                        android:textSize="16sp"
-                        android:textStyle="bold" />
+                        android:textSize="16sp" />
 
                     <androidx.recyclerview.widget.RecyclerView
                         android:id="@+id/flag"
@@ -187,7 +185,6 @@
                         android:text="@string/detail_quality"
                         android:textColor="@color/white"
                         android:textSize="16sp"
-                        android:textStyle="bold"
                         android:visibility="gone"
                         tools:visibility="visible" />
 
@@ -218,8 +215,7 @@
                             android:layout_height="wrap_content"
                             android:text="@string/detail_episode"
                             android:textColor="@color/white"
-                            android:textSize="16sp"
-                            android:textStyle="bold" />
+                            android:textSize="16sp" />
 
                         <androidx.appcompat.widget.AppCompatImageView
                             android:id="@+id/reverse"
@@ -274,8 +270,7 @@
                             android:layout_marginEnd="16dp"
                             android:text="@string/detail_content"
                             android:textColor="@color/white"
-                            android:textSize="16sp"
-                            android:textStyle="bold" />
+                            android:textSize="16sp" />
 
                         <com.google.android.material.textview.MaterialTextView
                             android:id="@+id/content"
diff --git a/app/src/mobile/res/layout/adapter_vod_oval.xml b/app/src/mobile/res/layout/adapter_vod_oval.xml
index c11baa500..b1a8f48f0 100644
--- a/app/src/mobile/res/layout/adapter_vod_oval.xml
+++ b/app/src/mobile/res/layout/adapter_vod_oval.xml
@@ -23,10 +23,6 @@
         android:layout_alignStart="@+id/image"
         android:layout_alignEnd="@+id/image"
         android:gravity="center"
-        android:shadowColor="@color/grey_700"
-        android:shadowDx="0.5"
-        android:shadowDy="0.5"
-        android:shadowRadius="0.5"
         android:singleLine="true"
         android:textColor="@color/white"
         android:textSize="14sp"
diff --git a/app/src/mobile/res/layout/dialog_info.xml b/app/src/mobile/res/layout/dialog_info.xml
index 70b125595..870cd2393 100644
--- a/app/src/mobile/res/layout/dialog_info.xml
+++ b/app/src/mobile/res/layout/dialog_info.xml
@@ -17,8 +17,7 @@
             android:ellipsize="middle"
             android:linksClickable="false"
             android:textColor="?android:attr/textColorPrimary"
-            android:textSize="20sp"
-            android:textStyle="bold" />
+            android:textSize="20sp" />
 
         <com.google.android.material.textview.MaterialTextView
             android:id="@+id/header"
diff --git a/app/src/mobile/res/layout/dialog_timer.xml b/app/src/mobile/res/layout/dialog_timer.xml
index 1c4b6caf7..b4c2b15f3 100644
--- a/app/src/mobile/res/layout/dialog_timer.xml
+++ b/app/src/mobile/res/layout/dialog_timer.xml
@@ -93,7 +93,6 @@
             android:layout_marginBottom="24dp"
             android:textColor="?android:attr/textColorPrimary"
             android:textSize="48sp"
-            android:textStyle="bold"
             tools:text="5:00" />
 
         <com.google.android.material.button.MaterialButton
diff --git a/app/src/mobile/res/values/styles.xml b/app/src/mobile/res/values/styles.xml
index 737c1fed4..c9e9dcd55 100644
--- a/app/src/mobile/res/values/styles.xml
+++ b/app/src/mobile/res/values/styles.xml
@@ -24,10 +24,6 @@
         <item name="android:layout_height">wrap_content</item>
         <item name="android:background">?attr/selectableItemBackgroundBorderless</item>
         <item name="android:padding">8dp</item>
-        <item name="android:shadowColor">@color/grey_200</item>
-        <item name="android:shadowDx">1</item>
-        <item name="android:shadowDy">1</item>
-        <item name="android:shadowRadius">0.5</item>
         <item name="android:textColor">@color/white</item>
         <item name="android:textSize">14sp</item>
     </style>