抖音去水印

https://www.iesdouyin.com/web/api/v2/aweme/iteminfo/?item_ids=6908349125691985166

F12 获取这条API

https://www.iesdouyin.com/web/api/v2/aweme/iteminfo/?item_ids=6908349125691985166
找到这个参数

item_list->video->play_addr->url_list

找到带有这个参数的链接
https://aweme.snssdk.com/aweme/v1/playwm/?video_id=v0300fa20000bvfm4eq14qtogdkvd350&ratio=720p&line=0

替换成paly 即可  然后在手机模式下打开