I am doing Wechat official account payment, and I have been able to successfully pull up WeChat Pay, but if I change it to a sandbox version, I will report an error, as follows
sandbox environment compared to formal environment
is there any other difference? Total_fee is the same as the formal environment.
this is a pit, in fact, you have done the right thing.
what is wrong is that Wechat's official document did not tell you the following:
all you have to do is ignore this error and continue to pay for successful business. Call the sandbox's query order API, and the status is paid.
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