How to set the watermark in the video preview of Huawei mobile phone Tik Tok forwarding others?

Huawei mobile phone Tik Tok forwards other people's videos and sets a watermark in the preview. Open the clip, click to enter the video you edited, and then click the text. Edit the watermark you want to set, and you can adjust the size, color, location, etc. Then select the material of the watermark, hold down the end and drag it back to the end of the film, so that the watermark runs through the whole video.

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