问题描述：

使用支付宝支付

报错截图、相关bug：

{"response":{"code":"40007","msg":"Service Internal Error","sub_code":"GW.THIRD_PARTY_ERROR","sub_msg":"Gateway call third party err: merchantV2 appId"},"sign":"y3bRQYPreOC9hxZdkZpCxsKSWaxBbaIxf6kR8hHBHVn4EXcBU12Ym1mMsV17RX3DCBJWAZe8R8LVKWkRByUI4DiE9srmoDWz1ZSBWOeFN3cmqWzlxKf2p9BGfjhgdSbF1Vi2YkqpkBMVvSaE85XCOjaEZxGMELyIGnxm4etLOqM="}