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Question:

How to change the display name (as highlighted in red box) of a seller of merchant in Website payment (where create_forex_trade is used )?

Answer:

You can change the value of the supplier field to update the display name.

问题：

如果更改支付宝PC收银台中“卖家”的显示。

解决方案:

PC支付接口中有一个参数supplier，用于控制该处的显示。