1. First, after entering the nail, click "Work" in the menu bar at the bottom, and select "Employee Health" under safe return to work.
2. After entering the employee health interface, select "Settings" in the lower right corner and select the enterprise health code.
3. At this time, the interface displays the enterprise health code, and click "Save Picture".
4. Finally, in the opened page, click Submit, as shown in the figure below.