接口地址： https://api.mch.weixin.qq.com/v3/marketing/favor/coupon-stocks

我这边传递时间合规

"available_begin_time": "2022-07-06T20:29:35.120+08:00",

"available_end_time": "2022-07-20T13:29:35.120+08:00",

接口返回：

{

    "code": "200",

    "msg": "请求成功",

    "data": {

        "code": "REQUEST_BLOCKED",

        "message": "活动未开始或已结束\n"

    },

    "requestId": "ba5199ce-c3ba-4090-b864-c2186bf1c2d2",

    "success": true

}