Goto Subaccount:
Click: “Your Profile” and then on “Subaccount”

Click: “Edit” beside “Bind mobile phone or add Google Verification”

It will ask for email verification. Click “Send” to get the email verification code. Enter the code and click Next

Choose Google Verification

Scan the QR code using Google Authenticator app in your mobile phone and enter the 6 digit code.
Next you need to add “Trading Password”. Click your profile, then “Account Security”

Click the button beside: “Trading Password”

Enter 6 digit (Numbers) as trading password and then click “Confirm”

That’s it. You have successfully set google verification and trading password in your account.