1. To set the effect of changing the sky in Douyin, first, we open the search applet in WeChat, as shown in the figure:

2. Then search for "黑卡 Camera" applet. As shown in the picture:

3. Then enter the "Heika Camera" applet and click "Magic Sky". As shown in the picture:

4. Next, select a special effect you like from the Magic Sky Special Effects page, and then select the material you want to add changing sky special effects from the mobile phone album. Here's "Good morning" as an example. As shown in the picture:

5. Continue to upload photos containing the sky for production. As shown in the picture:

6. Finally, the special effect of changing the sky you created is completed. As shown in the picture: