Android端，之前完全正常，但这两天怎么使用都出现Chain validation failed错误，请问下是怎么回事。
设备Android版本是Android 11，项目已经配置绑定自己的域名，之前运行完全正常，但这几天就报错，错误日志如下：
cn.leancloud.AVException: Chain validation failed
at cn.leancloud.utils.ErrorUtils.propagateException(ErrorUtils.java:42)
at cn.leancloud.core.StorageClient$1.apply(StorageClient.java:68)
at cn.leancloud.core.StorageClient$1.apply(StorageClient.java:65)
at io.reactivex.internal.operators.observable.ObservableOnErrorNext$OnErrorNextObserver.onError(ObservableOnErrorNext.java:91)
at retrofit2.adapter.rxjava2.BodyObservable$BodyObserver.onError(BodyObservable.java:77)
at retrofit2.adapter.rxjava2.CallExecuteObservable.subscribeActual(CallExecuteObservable.java:60)
at io.reactivex.Observable.subscribe(Observable.java:12284)
at retrofit2.adapter.rxjava2.BodyObservable.subscribeActual(BodyObservable.java:35)
at io.reactivex.Observable.subscribe(Observable.java:12284)
at io.reactivex.internal.operators.observable.ObservableOnErrorNext.subscribeActual(ObservableOnErrorNext.java:38)
at io.reactivex.Observable.subscribe(Observable.java:12284)
at io.reactivex.internal.operators.observable.ObservableMap.subscribeActual(ObservableMap.java:32)
at io.reactivex.Observable.subscribe(Observable.java:12284)
at io.reactivex.internal.operators.observable.ObservableMap.subscribeActual(ObservableMap.java:32)
at io.reactivex.Observable.subscribe(Observable.java:12284)
