查询使用余额的接口应该是被官方封禁，OpenAiClient.billingUsage

[testerSunshine]

retrofit2.adapter.rxjava2.HttpException: HTTP 403 
        at retrofit2.adapter.rxjava2.BodyObservable$BodyObserver.onNext(BodyObservable.java:57) ~[adapter-rxjava2-2.9.0.jar!/:na]
        at retrofit2.adapter.rxjava2.BodyObservable$BodyObserver.onNext(BodyObservable.java:38) ~[adapter-rxjava2-2.9.0.jar!/:na]
        at retrofit2.adapter.rxjava2.CallExecuteObservable.subscribeActual(CallExecuteObservable.java:48) ~[adapter-rxjava2-2.9.0.jar!/:na]
        at io.reactivex.Observable.subscribe(Observable.java:10151) ~[rxjava-2.0.0.jar!/:2.0.0]
        at retrofit2.adapter.rxjava2.BodyObservable.subscribeActual(BodyObservable.java:35) ~[adapter-rxjava2-2.9.0.jar!/:na]
        at io.reactivex.Observable.subscribe(Observable.java:10151) ~[rxjava-2.0.0.jar!/:2.0.0]
        at io.reactivex.internal.operators.observable.ObservableSingleSingle.subscribeActual(ObservableSingleSingle.java:35) ~[rxjava-2.0.0.jar!/:2.0.0]
        at io.reactivex.Single.subscribe(Single.java:2517) ~[rxjava-2.0.0.jar!/:2.0.0]
        at io.reactivex.Single.blockingGet(Single.java:2001) ~[rxjava-2.0.0.jar!/:2.0.0]
        at com.unfbx.chatgpt.OpenAiClient.billingUsage(OpenAiClient.java:804) ~[chatgpt-java-1.0.14.jar!/:na]