问关于互动直播initsdk（）报错？

接入互动直播，在使用初始化方法initsdk，运行APP一直报错

android.app.RemoteServiceException: Bad notification for startForeground: java.lang.RuntimeException: invalid channel for service notification: Notification(channel=null pri=0 contentView=null vibrate=null sound=null defaults=0x0 flags=0x40 color=0x00000000 vis=PRIVATE)

at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1797)

at android.os.Handler.dispatchMessage(Handler.java:106)

at android.os.Looper.loop(Looper.java:173)

at android.app.ActivityThread.main(ActivityThread.java:6653)

at java.lang.reflect.Method.invoke(Native Method)

at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:821)