1. Open the App and click on the Personal Center in the top left corner.
2. Click on Security Center.
3. Click on Google Verification and select Bind.
4. Download Google Authenticator. If you have another authenticator or have already downloaded it, scan the QR code above or copy the secret key into your authenticator. Then, enter the 6-digit code displayed on the authenticator and click Bind below to complete the two-factor authentication.