How to bind / modify Google authentication

1、 What is Google certification
Google authenticator is a dynamic password tool, working principle similar to SMS dynamic verification. After binding, a dynamic verification code is generated every 30 seconds. The verification code can be used for security verification of login, cash withdrawal, modification of security settings and other operations.
2、 How to install Google verifier
Download Google verifier from your mobile phone. IOS users log in to the app store to search for "authenticator", and Android users log in to the app store or use their mobile browser to search for "Google authenticator" to download.
Download link for IOS version:
https://itunes.apple.com/cn/app/google-authenticator/id388497605?mt=8
Android download link:
http://shouji.baidu.com/software/22417419.html
3、 How to bind Google authentication
Step 1: after successful login, please click the avatar in the top right corner of the webpage and select personal center.
Step 2: click [authentication] at Google verification
Step 3: after entering the Google settings page, open the Google verifier and scan the QR code generated by the page.
Scanning method:
Open Google verifier app, click "+" in the lower right corner, and select "scan barcode".
If you can't scan the bar code in the figure above, you can also add the account manually and enter the key.
Step 4: according to the page requirements: drag the slider to fill in the pie chart, fill in the dynamic verification code (SMS verification code or email verification code), fill in the Google verification code.
Note: the verification code changes every 30 seconds. Please input the latest verification code.
Step 5: click [verify and open] to complete.
4、 How to modify Google authentication
Step 1: after successful login, please click the avatar in the top right corner of the webpage and select personal center.
Step 2: click [modify] at Google verification
Step 3: after entering the Google settings page, open the Google verifier and scan the QR code generated by the page.
Step 4: according to the page requirements: drag the slider to fill in the pie chart, fill in the dynamic verification code (SMS verification code or email verification code), fill in the Google verification code.
Note: the verification code changes every 30 seconds. Please input the latest verification code.
Step 5: click [verify and modify] to complete.
Note: the modification of Google will not take effect immediately. After you submit, you need to wait for customer service review. You can still use the old Google verification code before the review is passed.