fix 修复音频滚动高度

@@ -64,8 +64,7 @@ const onHeightChange = ({ height }) => { // 监听高度变化
   }
   // 添加可滚动高度
   if (height === (0.2 * window.innerHeight)) {
-    let str = $('.audio-item').outerHeight() * (audio_list.value.length + 1.25);
-    $('.audio-list').css('marginBottom', `${str}px`);
+    $('.audio-list').css('marginBottom', `${0.3 * window.innerHeight}px`);
   }
 }
 
@@ -83,8 +82,7 @@ watch(
       handleAudioPlay(audio_list.value[0], 0);
       nextTick(() => {
         // 添加可滚动高度
-        let str = $('.audio-item').outerHeight() * (audio_list.value.length + 1.25);
-        $('.audio-list').css('marginBottom', `${str}px`);
+        $('.audio-list').css('marginBottom', `${0.3 * window.innerHeight}px`);
       })
     } else {
       onClose();
@@ -291,6 +289,7 @@ onUnmounted(() => { // 离开页面时关闭音频播放
 
 <style lang="less" scoped>
 .audio-list-page {
+  height: 100%;
   .audio-item {
     display: flex;
     align-items: center;