使用Qwen模型调用api 时出现错误，希望尽快得到您的回复

{"error":{"code":"missing_required_parameter","param":"message","message":"您必须提供一个 messages 参数","type":"invalid_request_error"},"request_id":"chatcmpl-a421315e-56ce-9088-b5bb-2f26c57f594b"}