• 将睡眠定时器图标从月亮替换为计时器样式
• 睡眠定时器激活时按钮直接显示剩余分钟数
• 修复长按选中后按返回键时底部操作栏按钮先于栏体消失的问题

English Version

• Replace sleep timer moon icon with a timer-style icon
• Show remaining minutes on the sleep timer button when active
• Fix selection action bar buttons disappearing before the bar during exit animation