下载好的Demo运行就崩溃 #1

Caused by: java.lang.RuntimeException: Parcelable encountered ClassNotFoundException reading a Serializable object (name = com.bbk.lling.multitaskdownload.beans.AppContent$Status)
at android.os.Parcel.readSerializable(Parcel.java:2512)
at android.os.Parcel.readValue(Parcel.java:2315)
at com.bbk.lling.multitaskdownload.beans.AppContent$1.createFromParcel(AppContent.java:93)
at com.bbk.lling.multitaskdownload.beans.AppContent$1.createFromParcel(AppContent.java:85)
at android.os.Parcel.readParcelable(Parcel.java:2367)
at android.os.Parcel.readValue(Parcel.java:2264)
at android.os.Parcel.readArrayMapInternal(Parcel.java:2614)
at android.os.BaseBundle.unparcel(BaseBundle.java:221)
at android.os.Bundle.getParcelable(Bundle.java:786)
at android.content.Intent.getParcelableExtra(Intent.java:5381)
at com.bbk.lling.multitaskdownload.activitys.MainActivity$2.onReceive(MainActivity.java:93)
at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:883)
at android.os.Handler.handleCallback(Handler.java:739) 
at android.os.Handler.dispatchMessage(Handler.java:95) 
at android.os.Looper.loop(Looper.java:148) 
at android.app.ActivityThread.main(ActivityThread.java:5432) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:735) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:625)