[audio]修改block为template

pages/API/get-background-audio-manager/get-background-audio-manager.uvue

@@ -4,19 +4,19 @@
 		<view class="uni-padding-wrap">
 			<view class="uni-hello-text">注意：离开当前页面后背景音乐将保持播放</view>
 			<view class="page-body-buttons">
-				<block v-if="playing">
+				<template v-if="playing">
 					<view class="page-body-button" @tap="stop">
 						<image class="image" src="/static/stop.png"></image>
 					</view>
 					<view class="page-body-button" @tap="pause">
 						<image class="image" src="/static/pause.png"></image>
 					</view>
-				</block>
-				<block v-if="!playing">
+				</template>
+				<template v-if="!playing">
 					<view class="page-body-button" @tap="play">
 						<image class="image" src="/static/play.png"></image>
 					</view>
-				</block>
+				</template>
 				<view class="page-body-button"></view>
 			</view>
 		</view>