The method is as follows:

1. First find the installed Kuaiying icon on the phone screen. 2. In the main interface of Kuaiying, click the "Video Clip" button. 3. Next, select the video you want to edit in the page of the opened album. 4. Click the "Text" tab in the lower right corner of the opened video editing page. 5. Click the subtitle button on the opened text toolbar. 6. Then click the "Subtitle Style" button on the pop-up toolbar. 7. In this way, we can modify the text color and other information of the subtitles in the opened page.

Summary: 1. First find the installed Kuaiying icon on the phone screen. 2. In the main interface of Kuaiying, click the "Video Clip" button. 3. Next, select the video you want to edit in the page of the opened album. 4. Click the "Text" tab in the lower right corner of the opened video editing page. 5. Click the subtitles button on the text toolbar that opens. 6. Then click the "Subtitle Style" button on the pop-up toolbar. 7. In this way, we can modify the text color and other information of the subtitles in the opened page.