1. Developer identity: Standard developer. Application type: Web application. Status: Approved. See Figure 1.

2. Open Douyin’s OAuth API. This URL is not meant for making requests; it needs to be displayed to the user for scanning. If opened within a version of the Douyin APP that supports in-app wake-up, the client’s native authorization page will pop up. See Figure 2.

3. Open the APP: Douyin Lite. During Douyin authorization, it prompts: The application has no permission. The reason should be that the APP: Douyin Lite does not support in-app wake-up. See Figure 3.

4. Open the APP: Douyin. After scanning the code, the client’s native authorization page opens successfully. See Figure 4.

