I'm sorry, but I am not able to browse the internet or access current information about specific websites or services. I can only provide general information and guidance based on my training data.

1. It is possible that the payment service you mentioned, "关爱通," is no longer supported by the website or app you are trying to use. It is also possible that there have been changes to the payment options available on the website or app, or to the policies or terms of service that govern the use of the site or app.

If you are having trouble using "关爱通" to make a payment on 大众点评 or any other website or app, I recommend reaching out to the customer service or support team for the site or app for further assistance. They should be able to provide more specific information about the issue you are experiencing and help you resolve it.