Does the App support pattern lock How do I set a pattern lock to ensure account security?

Does the App support pattern lock How do I set a pattern lock to ensure account security?

1, Tap "Me → the Settings button in the upper right corner" to enter the settings page.
2, Tap Account and Security, and tap Pattern Lock on the page that Appears. 
Then you can record your pattern lock to enable this feature. 



Tips: When pattern lock is enabled, you must draw the same pattern every time you log in to App. 
If you forget the pattern, tap Forgot Pattern Lock in the lower part of the page. It will let you log in to the App again, and then you can record your new pattern lock.