Aauto is faster and can't take the subject word.

Adding a theme in Aauto is relatively simple. You can choose the topic you want after publishing the video. The specific steps are as follows:

1. Log in to Aauto faster and click the "Camera" button.

2. Select Music and choose the music you want.

3. Click the circle to start shooting, and then click "Next".

4. Click "# Theme".

5. Enter the theme to be added in the search box and click "Publish".

Publishing a video with a theme can enhance the positioning of your video. For example, if you are engaged in entertainment, you can watch entertainment news, so that the system will push your video to the audience who like to watch this kind of video and increase the exposure.