优化一些逻辑，即使我还不知道怎么用阅读听歌

app/src/main/java/io/legato/kazusa/model/AudioPlay.kt

@@ -34,7 +34,7 @@ object AudioPlay : CoroutineScope by MainScope() {
 
     enum class PlayMode(val iconRes: Int) {
         LIST_END_STOP(R.drawable.ic_play_mode_list_end_stop),
-        RANDOM(R.drawable.ic_play_mode_random),
+        RANDOM(R.drawable.ic_exchange),
         LIST_LOOP(R.drawable.ic_play_mode_list_loop);
 
         fun next(): PlayMode {

app/src/main/res/drawable/ic_play_mode_random.xml

@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:tint="?attr/colorControlNormal"
-    android:viewportWidth="960"
-    android:viewportHeight="960">
-    <path
-        android:fillColor="@android:color/white"
-        android:pathData="M560,800L560,720L664,720L537,593L594,536L720,662L720,560L800,560L800,800L560,800ZM216,800L160,744L664,240L560,240L560,160L800,160L800,400L720,400L720,296L216,800ZM367,423L160,216L216,160L423,367L367,423Z" />
-</vector>