diff --git a/android/app/src/main/java/top/ourfor/app/iplayx/page/Router.java b/android/app/src/main/java/top/ourfor/app/iplayx/page/Router.java
index 537808b..15b6f8b 100644
--- a/android/app/src/main/java/top/ourfor/app/iplayx/page/Router.java
+++ b/android/app/src/main/java/top/ourfor/app/iplayx/page/Router.java
@@ -128,6 +128,7 @@ public void pushPage(int id, Map<String, Object> params) {
         page.viewWillDisappear();
         val newPage = makePage(id);
         pageId.put(newPage, id);
+        assert newPage != null;
         newPage.create(container.getContext(), params);
         pages.push(newPage);
         val view = newPage.view();
diff --git a/android/app/src/main/java/top/ourfor/app/iplayx/page/login/LoginPage.java b/android/app/src/main/java/top/ourfor/app/iplayx/page/login/LoginPage.java
index 16df946..a04d394 100644
--- a/android/app/src/main/java/top/ourfor/app/iplayx/page/login/LoginPage.java
+++ b/android/app/src/main/java/top/ourfor/app/iplayx/page/login/LoginPage.java
@@ -82,7 +82,7 @@ public class LoginPage extends BottomSheetDialogFragment implements OneDriveActi
     );
 
     LoginPageBinding binding = null;
-    boolean isFragment = false;
+    boolean isPage = false;
     @Setter
     public boolean isDialogModel = false;
     @Setter
@@ -100,7 +100,7 @@ public class LoginPage extends BottomSheetDialogFragment implements OneDriveActi
     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
         super.onCreateView(inflater, container, savedInstanceState);
         binding = LoginPageBinding.inflate(inflater, container, false);
-        isFragment = container != null;
+        isPage = false;
         val actionBar = XGET(ActionBar.class);
         if (!isDialogModel) {
             XGET(NavigationTitleBar.class).setNavTitle(R.string.login);
@@ -119,7 +119,6 @@ public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup c
 
     void setup(LayoutInflater inflater, ViewGroup container) {
         binding = LoginPageBinding.inflate(inflater, container, false);
-        isFragment = container != null;
         val actionBar = XGET(ActionBar.class);
         if (!isDialogModel) {
             XGET(NavigationTitleBar.class).setNavTitle(R.string.login);
@@ -302,7 +301,7 @@ private void loginToEmby(String remake, String server, String username, String p
                     val action = XGET(SiteUpdateAction.class);
                     action.onSiteUpdate();
                     Toast.makeText(context, "Login success", Toast.LENGTH_SHORT).show();
-                    if (isFragment) {
+                    if (isPage) {
                         XGET(Navigator.class).popPage();
                     } else {
                         dismiss();
@@ -342,7 +341,7 @@ private void loginToJellyfin(String remake, String server, String username, Stri
                     val action = XGET(SiteUpdateAction.class);
                     action.onSiteUpdate();
                     Toast.makeText(context, "Login success", Toast.LENGTH_SHORT).show();
-                    if (isFragment) {
+                    if (isPage) {
                         XGET(Navigator.class).popPage();
                     } else {
                         dismiss();
@@ -586,6 +585,7 @@ public View view() {
     @Override
     public void create(Context context, Map<String, Object> params) {
         this.context = context;
+        this.isPage = true;
         setup(LayoutInflater.from(context), null);
     }
 }
diff --git a/android/app/src/main/java/top/ourfor/app/iplayx/view/video/PlayerCommentView.java b/android/app/src/main/java/top/ourfor/app/iplayx/view/video/PlayerCommentView.java
index b507122..e7c8770 100644
--- a/android/app/src/main/java/top/ourfor/app/iplayx/view/video/PlayerCommentView.java
+++ b/android/app/src/main/java/top/ourfor/app/iplayx/view/video/PlayerCommentView.java
@@ -138,7 +138,9 @@ public void onAnimationStart(Animator animation) {
             @Override
             public void onAnimationEnd(Animator animation) {
                 view.setVisibility(View.GONE);
-                ((ViewGroup) view.getParent()).removeView(view);
+                val superview = view.getParent();
+                if (superview == null) return;
+                ((ViewGroup) superview).removeView(view);
                 recycleView((TextView) view);
             }
 
diff --git a/android/app/src/main/res/drawable/bg_spinner.xml b/android/app/src/main/res/drawable/bg_spinner.xml
new file mode 100644
index 0000000..bc59682
--- /dev/null
+++ b/android/app/src/main/res/drawable/bg_spinner.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item android:state_pressed="false">
+        <layer-list>
+            <item android:drawable="@drawable/ic_fluent_caret_down_24_filled"
+                android:gravity="end"
+                android:tintMode="src_in"
+                android:tint="@color/onBackground"
+                android:right="15dp" />
+        </layer-list>
+    </item>
+    <item android:state_window_focused="true" android:state_pressed="true">
+        <layer-list>
+            <item android:drawable="@drawable/ic_fluent_caret_up_24_filled"
+                android:gravity="end"
+                android:tintMode="src_in"
+                android:tint="@color/onBackground"
+                android:right="15dp" />
+        </layer-list>
+    </item>
+</selector>
\ No newline at end of file
diff --git a/android/app/src/main/res/layout/player_config_panel.xml b/android/app/src/main/res/layout/player_config_panel.xml
index 3ece7e1..f249335 100644
--- a/android/app/src/main/res/layout/player_config_panel.xml
+++ b/android/app/src/main/res/layout/player_config_panel.xml
@@ -28,6 +28,7 @@
         app:layout_constraintTop_toBottomOf="@id/video_label"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
+        android:background="@drawable/bg_spinner"
         />
 
     <top.ourfor.app.iplayx.view.infra.TextView
@@ -55,6 +56,7 @@
         app:layout_constraintTop_toBottomOf="@id/audio_label"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
+        android:background="@drawable/bg_spinner"
         />
 
     <top.ourfor.app.iplayx.view.infra.TextView
@@ -82,6 +84,7 @@
         app:layout_constraintTop_toBottomOf="@id/subtitle_label"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
+        android:background="@drawable/bg_spinner"
         />