问无法使用RxJava的retryWhen运算符更新全局令牌

EN

@GET("/meeting/api/v2.0/schedules")
fun getMySchedule(@Query("start_time") startTime: Long,
                  @Query("end_time") endTime: Long,
                  @Query("type") type: Int,
                  @Header("cookie") cookie: String = "ssoid=${MeetingTokenManager.accessToken}")
        : Observable<BaseData<List<MyScheduleResponse>>>

object MeetingTokenManager {
    var accessToken: String = ""
}

class TokenRefreshFun(private val baseView: IBaseView) : Function<Observable<Throwable>, ObservableSource<*>> {
var count = 0
override fun apply(t: Observable<Throwable>): ObservableSource<*> = t.flatMap {
    if (it is NetExceptionHandler.ResponseException) {
        if (it.code == 401) {
            logi("token验证失败.开始刷新token")
            if (count == 0) {
                count++
                baseView.tokenExpired()
            } else {
                Observable.error(it)
            }
        } else {
            Observable.error(it)
        }
    } else {
        Observable.error(it)
    }
}}

 fun getMySchedule(startTime: Long,
                  endTime: Long,
                  type: Int = 1) {
    mScheduleBiz.getMySchedule(startTime, endTime, type)
            .compose(RxHelper.singleModeThread(iBaseView = mMyScheduleView))
            .retryWhen(TokenRefreshFun(mMyScheduleView))
            .subscribe(KNetObserver({
                mDisposables.add(it)
            }, {
                when (it.status) {
                    1 -> mMyScheduleView.getMyScheduleSuccess(it.data)
                    0 -> mMyScheduleView.getMyScheduleFailed("获取日程失败")
                }
            }, {
                mMyScheduleView.getMyScheduleFailed(it.message)
            }))
}

fun authorization(context: Context): Observable<String> {
    return Observable.create<String> { e ->
        AuthorizationManager.authorization(context, CLIENT_ID, { token ->
            accessToken = token
            logi(accessToken)
            JTUInfoSDK.getInstance().setCookie(token)
            LoginMyInfo.accessToken = token
            e.onNext(token)
        }, {
            e.onError(Throwable(it))
        })
    }
}