1. Go to the main page of Photosynthesis Plus Smart Canteen APP, click "Life" and enter the "Canteen".
2. Find the entrance of "recharge" or "payment" and click enter.
3. After entering the recharge/payment page, select the recharge amount or payment amount, and click "recharge/payment".
4. After checking that the information is correct, click "Confirm" to complete the payment operation.
The above steps are for reference only. For more information, please consult the customer service staff of Guanghejia Smart Canteen.