[{"title":"( 7 个子文件 89.15MB ) 火焰预警系统制作 视频教程","children":[{"title":"005-如何在自己电脑上验证系统数据采集功能.mp4 <span style='color:#111;'> 25.19MB </span>","children":null,"spread":false},{"title":"002-火焰预警系统功能演示.mp4 <span style='color:#111;'> 15.68MB </span>","children":null,"spread":false},{"title":"006-如何在自己电脑上验证预警接口.mp4 <span style='color:#111;'> 13.77MB </span>","children":null,"spread":false},{"title":"001-课程介绍.mp4 <span style='color:#111;'> 6.70MB </span>","children":null,"spread":false},{"title":"007-如何验证手机端APP预警功能.mp4 <span style='color:#111;'> 10.53MB </span>","children":null,"spread":false},{"title":"003-需要准备的硬件.mp4 <span style='color:#111;'> 13.23MB </span>","children":null,"spread":false},{"title":"004-硬件设备如何接线.mp4 <span style='color:#111;'> 15.54MB </span>","children":null,"spread":false}],"spread":true}]