feat:and

android/app/src/main/res/drawable/panel.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
+    <solid android:color="@color/paper" />
+    <stroke android:width="1dp" android:color="@color/line" />
+    <corners android:radius="12dp" />
+</shape>