调用接口：https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token={0}

请求地址：https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=96_0JSKIZjhNyko4ox0zGAWMHsFHh06bbBmN0OjiFEkKTyJK1uiqDG4qpRPpuAmdISG3THbfB34xZHze0euKI2yj7pAaaezLs8UIFyAL_bTU99g5DBnlYr6cQSUB6YBMQgAJASDH

参数：{

    "touser": "o0MQX7XOzh6AMwsuMwo4OlzWtZK8", 

    "msgtype": "text", 

    "text": {

        "content": "什么问题？"

    }

}

• 返回结果：Connection: keep-alive
• Date: Thu, 18 Sep 2025 01:36:55 GMT
• Content-Type: application/json; encoding=utf-8
• Content-Length: 75

{
    "errcode": 40003, 
    "errmsg": "invalid openid rid: 68cb6237-4b9960f7-2dce094c"
}