解决方法：
在手机上下载火莹及火莹组件→打开火莹app→打开本地→点击“本机视频”→选择自己喜欢的视频确认→选择有声或无声模式→点击“应用”→回到桌面，即可看到视频成为了屏保
方法步骤：
1.在手机上下载“火莹”及“火莹组件”
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2.在火莹运培软件下方点击“本地”
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3.点击“本机视频”
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4.点击自己想设为桌面的视频
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5.点击右下角的“确定”
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6.选择有无声音
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7.点击“应用”
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8.回到桌面即可看到视频已经成为了屏保
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