Problem solved.
The custom string format is incorrect.
mm. User. Student | Learner | en
mm. User. Student | Aprendiz | es
The "mm" in the example is not required.
Just like this:
core.settings.fontsize |文字大小| zh_cn
The custom string format is incorrect.
mm. User. Student | Learner | en
mm. User. Student | Aprendiz | es
The "mm" in the example is not required.
Just like this:
core.settings.fontsize |文字大小| zh_cn