<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">
    <!-- 方法1：使用矩形旋转 -->
    <item
        android:width="10dp"
        android:height="4dp"
        android:gravity="bottom|start"
        android:start="12dp">
        <bitmap android:src="@drawable/common_price_discount_arrow_down_ic" />
    </item>

    <item android:bottom="4dp">
        <shape android:shape="rectangle">
            <corners android:radius="4dp" />
            <solid android:color="#FFFF6F32" />
        </shape>
    </item>
</layer-list>