1. Log in to the official WeChat account of Lianlian Zhou Bianyou XX Station, and click "Explosive Welfare" in the lower left corner. 2. Click "My" in the lower right corner directly to enter my page. 3. Click "All Orders" to view all your previous orders. 4. Select the order to be refunded and click "View Details". 5. Click "After-sales Service" on the upper right of the electronic code, and then click "Initiate Refund". 6. Enter the page of viewing refund information, please carefully check the refund information, including the electronic code of the refunded product, the refund amount, the refund reason, etc. After confirming that the information is correct, click Confirm Refund to submit the application, and the refund amount will be returned in the same way within 3-7 working days after the system audit.