修补匠

 wechart Developer Tools This problem has been solved. I think is Developer Tools problem，In mobile is right.thank you very mush

I met another problem. I want to add,such as Africa/Harare Africa/Addis_Ababa America/Indianapolis .But I don't know How to calculate 

Change the order of this method (`datermine`) is return right.I don't know if there are any other questions. **change before**  **change after**