步骤如下：
1、当看到你喜欢的小哥哥、小姐姐的短视频之后，点击【分享】按钮；
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https://iknow-pic.cdn.bcebos.com/aa18972bd40735fa957419df93510fb30e2408cb"/>
2、在这里你会看到有一个【动态壁纸】的选项；
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https://iknow-pic.cdn.bcebos.com/5243fbf2b21193134562a9d668380cd791238db7"/>
3、返回手机【相册】，找到刚才保存的动态壁纸；
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https://iknow-pic.cdn.bcebos.com/4bed2e738bd4b31c24f7c3dd8ad6277f9f2ff889"/>
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https://iknow-pic.cdn.bcebos.com/5366d0160924ab18e791b65138fae6cd7a890bd4"/>
4、点击左下角【菜单】选项；
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https://iknow-pic.cdn.bcebos.com/42166d224f4a20a48de96ba19d529822730ed0e5"/>
5、点选【用作壁纸】按钮；
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https://iknow-pic.cdn.bcebos.com/0dd7912397dda14450fe3bd4bfb7d0a20df486e5"/>
6、点击【设定】；
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https://iknow-pic.cdn.bcebos.com/ca1349540923dd5465f5f00edc09b3de9d8248d5"/>
7、【设定锁定屏幕】就可以_。
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https://iknow-pic.cdn.bcebos.com/aec379310a55b319670fd5134ea98226cefc17e5"/>