RewardedAd is a one-time-use object.
This means once a rewarded ad is shown,
the object can't be used to load another ad.
To request another rewarded ad, you'll need to create a new RewardedAd object.
干你姆咪的 现在才看到这居然只能用一次
难怪我测试的时候不管load几次都只会显示同一个广告
之前写的物件池跟白痴一样 姆咪咧