1, not turned on: eye protection mode needs to be turned on manually. If it is not turned on, the eye protection mode will not be used in Tik Tok.
2. Setup problem: If Tik Tok does not use eye protection mode, Tik Tok will not use eye protection mode.
3. Software problem: There is something wrong with Tik Tok software, which will cause the eye protection mode to fail to work normally.