报错：Unable to start receiver com.hyphenate.chat.EMMonitorReceiver: java.lang.NullPointerException

设备机型 XT320以下为破获错误日志信息：
1 java.lang.RuntimeException:Unable to start receiver com.hyphenate.chat.EMMonitorReceiver: java.lang.NullPointerException
2 android.app.ActivityThread.handleReceiver(ActivityThread.java:2431)
3 ......
4 cause by:
5 java.lang.NullPointerException:
6 com.hyphenate.chat.EMMonitorReceiver.onReceive(Unknown Source)
7 android.app.ActivityThread.handleReceiver(ActivityThread.java:2424)
8 android.app.ActivityThread.access$1500(ActivityThread.java:141)
9 android.app.ActivityThread$H.handleMessage(ActivityThread.java:1332)
10 android.os.Handler.dispatchMessage(Handler.java:99)
11 android.os.Looper.loop(Looper.java:137)
12 android.app.ActivityThread.main(ActivityThread.java:5103)
13 java.lang.reflect.Method.invokeNative(Native Method)
14 java.lang.reflect.Method.invoke(Method.java:525)
15 com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
16 com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
17 com.android.internal.os.ZygoteInit.main(Native Method)
18 dalvik.system.NativeStart.main(Native Method)