diff --git a/doc/210340068  潘孝峰小组.docx b/doc/210340068_潘孝峰小组.docx
similarity index 80%
rename from doc/210340068  潘孝峰小组.docx
rename to doc/210340068_潘孝峰小组.docx
index 68ed02d..edf06d9 100644
Binary files a/doc/210340068  潘孝峰小组.docx and b/doc/210340068_潘孝峰小组.docx differ
diff --git a/doc/用例描述，用例顺序图，分析类图.doc b/doc/用例描述，用例顺序图，分析类图.doc
new file mode 100644
index 0000000..0aa478e
Binary files /dev/null and b/doc/用例描述，用例顺序图，分析类图.doc differ
diff --git a/src/gtask/remote/GTaskASyncTask.java b/src/gtask/remote/GTaskASyncTask.java
index 0e332f3..b3b61e7 100644
--- a/src/gtask/remote/GTaskASyncTask.java
+++ b/src/gtask/remote/GTaskASyncTask.java
@@ -64,6 +64,10 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
     }
 
     private void showNotification(int tickerId, String content) {
+        Notification notification = new Notification(R.drawable.notification, mContext
+                .getString(tickerId), System.currentTimeMillis());
+        notification.defaults = Notification.DEFAULT_LIGHTS;
+        notification.flags = Notification.FLAG_AUTO_CANCEL;
         PendingIntent pendingIntent;
         if (tickerId != R.string.ticker_success) {
             pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
@@ -73,21 +77,11 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
             pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
                     NotesListActivity.class), 0);
         }
-
-
-        Notification.Builder builder = new Notification.Builder(mContext)
-                .setAutoCancel(true)
-                .setContentTitle(mContext.getString(R.string.app_name))
-                .setContentText(content)
-                .setContentIntent(pendingIntent)
-                .setWhen(System.currentTimeMillis())
-                .setOngoing(true);
-        Notification notification=builder.getNotification();
+        notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
+                pendingIntent);
         mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
     }
 
-
-
     @Override
     protected Integer doInBackground(Void... unused) {
         publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
diff --git a/src/model/Note.java b/src/model/Note.java
index f291329..6706cf6 100644
--- a/src/model/Note.java
+++ b/src/model/Note.java
@@ -251,4 +251,3 @@ public class Note {
         }
     }
 }
- 
\ No newline at end of file