1. Open the know-it-all APP on your mobile phone and log in.
2. After logging in to the know-it-all APP, click the Ankang code button to enter.
3. You can see the current personal welfare code in the interface that appears, and click Scan.
4. You can see the current Ankang code status after scanning the code and punching in.
5. If you need to sign in with the family scanning code, click the switch button on the Ankang code interface.
6. Click the family member who needs to scan the code in the switching interface that pops up at the bottom of the page, and click the Finish button.
7. At this time, the interface of Ankang Code jumps to the interface of family members, and you can click Scan to sign in.