|  | @@ -68,7 +68,8 @@ export const useMp3s = async (detail: MusicSheelDetail) => {
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				|  |  |    // 伴奏
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				|  |  |    const backgroundSong = isEncoded(detail.metronomeUrl || '') ? detail.metronomeUrl || '' : encodeURI(detail.metronomeUrl || '')
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				|  |  |    // 原音
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				|  |  | -  const musicSong = isEncoded(activebg?.audioFileUrl|| '') ? '' : encodeURI(activebg?.audioFileUrl|| '')
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				|  |  | +  const musicSong = isEncoded(activebg?.audioFileUrl|| '') ? activebg?.audioFileUrl || '' : encodeURI(activebg?.audioFileUrl|| '')
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				|  |  | +  
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				|  |  |    // 兼容未修改之前
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				|  |  |    runtime.songs = {
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				|  |  |      background: backgroundSong ? backgroundSong + '?t=background' : '',
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