url:/v3/marketing/favor/coupon-stocks 入参:{"available_begin_time":"2020-12-29T00:00:00.000Z","available_end_time":"2020-12-30T00:00:00.000Z","belong_merchant":"334641000","coupon_use_rule":{"available_merchants":["334641000"],"fixed_normal_coupon":{"coupon_amount":500,"transaction_minimum":3000}},"no_cash":false,"out_request_no":"20201228334641000123456789","stock_name":"狗焕优惠券","stock_type":"NORMAL","stock_use_rule":{"max_amount":10000,"max_coupons":20,"max_coupons_per_user":1,"natural_person_limit":false,"prevent_api_abuse":true}} 返回：{"code":"REQUEST_BLOCKED","message":"商户权限校验不通过"}