[{"title":"( 2 个子文件 302KB ) 推送提示音频文件","children":[{"title":"音频文件","children":[{"title":"testvideo.caf <span style='color:#111;'> 485.50KB </span>","children":null,"spread":false},{"title":"testvideo.mp3 <span style='color:#111;'> 48.27KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]