Micro letter Developer Tools login account, you must pay the same businesses and micro-channel number, number attributed to the development of the merchant account.
Small test program Appid, to pay the same micro letter backstage Appid.
In the micro-channel developer tools, the two-dimensional code scanning to pay, the merchant must developers.
Web environment:
Check the network does not use https security certification;
Local and online domain name server domain name server, you can be tested.