1. According to the query of public comments, enter the mobile phone group, find the order at the bottom of the interface, and click Enter.
2. Find the merchant order to contact in the order, and click Enter.
3. Find the contact merchant at the top of the order interface and click Enter.
4. Enter the content in the input box and contact the merchant directly, or you can contact the merchant directly by telephone through the telephone button in the upper right corner.