一直报'message': '签名错误，请检查后再试'}
{'code': 'SIGN_ERROR', 'detail': {'detail': {'issue': 'sign not match'}, 'field': 'signature', 'location': 'authorization', 'sign_information': {'method': 'POST', 'sign_message_length': 310, 'truncated_sign_message': 'POST\n/v3/pay/transactions/jsapi\n1687761072\n123adsddf\n{"mchid"\n', 'url': '/v3/pay/transactions/jsapi'}} data = { "mchid": "", "out_trade_no": "", "appid": "", "description": "123", "notify_url": "", "amount": { "total": 7, "currency": "CNY" }, "payer": { "openid": "oGI-b6FZwx25YFt-aMx3myunYC3s" } } message = f'{http_method}\n{canonical_url}\n{timestamp}\n{nonce_str}\n{body}\n' 是body的格式问题吗？应该是什么格式啊