{"code":"SIGN_ERROR","detail":{"detail":{"issue":"sign not match"},"field":"signature","location":"authorization","sign_information":{"method":"POST","sign_message_length":194,"truncated_sign_message":"POST\n/v3/merchant/media/upload\n1606285261\n8afac170-dff8-41bf-9d16-b5f2d89b305d\n{\"filena\n","url":"/v3/merchant/media/upload"}},"message":"错误的签名，验签失败"}