diff --git a/src/Notes-master/Notes-master/src/net/micode/notes/gtask/remote/GTaskASyncTask.java b/src/Notes-master/Notes-master/src/net/micode/notes/gtask/remote/GTaskASyncTask.java
index b3b61e7..32d8a31 100644
--- a/src/Notes-master/Notes-master/src/net/micode/notes/gtask/remote/GTaskASyncTask.java
+++ b/src/Notes-master/Notes-master/src/net/micode/notes/gtask/remote/GTaskASyncTask.java
@@ -14,7 +14,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package net.micode.notes.gtask.remote;
 
 import android.app.Notification;
@@ -28,67 +27,86 @@ import net.micode.notes.R;
 import net.micode.notes.ui.NotesListActivity;
 import net.micode.notes.ui.NotesPreferenceActivity;
 
-
+/**
+ * 异步任务类，用于处理Google任务（GTask）的同步操作。
+ */
 public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
 
+    // 定义同步通知的ID
     private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
 
+    // 定义回调接口，用于在同步操作完成后通知
     public interface OnCompleteListener {
         void onComplete();
     }
 
+    // 定义上下文对象、通知管理器、任务管理器和回调接口
     private Context mContext;
-
     private NotificationManager mNotifiManager;
-
     private GTaskManager mTaskManager;
-
     private OnCompleteListener mOnCompleteListener;
 
+    /**
+     * 构造函数，初始化上下文、通知管理器、任务管理器和回调接口。
+     * @param context 上下文对象
+     * @param listener 回调接口
+     */
     public GTaskASyncTask(Context context, OnCompleteListener listener) {
         mContext = context;
         mOnCompleteListener = listener;
-        mNotifiManager = (NotificationManager) mContext
-                .getSystemService(Context.NOTIFICATION_SERVICE);
+        mNotifiManager = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
         mTaskManager = GTaskManager.getInstance();
     }
 
+    /**
+     * 取消同步操作的方法。
+     */
     public void cancelSync() {
         mTaskManager.cancelSync();
     }
 
+    /**
+     * 发布进度更新的方法，用于在同步过程中更新进度。
+     * @param message 进度消息
+     */
     public void publishProgess(String message) {
-        publishProgress(new String[] {
-            message
-        });
+        publishProgress(new String[]{message});
     }
 
+    /**
+     * 显示通知的方法，用于在同步过程中显示不同阶段的通知。
+     * @param tickerId 通知的ID
+     * @param content 通知的内容
+     */
     private void showNotification(int tickerId, String content) {
-        Notification notification = new Notification(R.drawable.notification, mContext
-                .getString(tickerId), System.currentTimeMillis());
+        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,
-                    NotesPreferenceActivity.class), 0);
-
+            pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, NotesPreferenceActivity.class), 0);
         } else {
-            pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
-                    NotesListActivity.class), 0);
+            pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, NotesListActivity.class), 0);
         }
-        notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
-                pendingIntent);
+        notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content, pendingIntent);
         mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
     }
 
+    /**
+     * 后台执行同步操作的方法。
+     * @param unused 未使用的参数
+     * @return 同步操作的结果
+     */
     @Override
     protected Integer doInBackground(Void... unused) {
-        publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
-                .getSyncAccountName(mContext)));
+        publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity.getSyncAccountName(mContext)));
         return mTaskManager.sync(mContext, this);
     }
 
+    /**
+     * 进度更新时调用的方法，用于显示进度通知。
+     * @param progress 进度数组
+     */
     @Override
     protected void onProgressUpdate(String... progress) {
         showNotification(R.string.ticker_syncing, progress[0]);
@@ -97,27 +115,28 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
         }
     }
 
+    /**
+     * 同步操作完成后调用的方法，用于处理同步结果并通知。
+     * @param result 同步操作的结果
+     */
     @Override
     protected void onPostExecute(Integer result) {
         if (result == GTaskManager.STATE_SUCCESS) {
-            showNotification(R.string.ticker_success, mContext.getString(
-                    R.string.success_sync_account, mTaskManager.getSyncAccount()));
+            showNotification(R.string.ticker_success, mContext.getString(R.string.success_sync_account, mTaskManager.getSyncAccount()));
             NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis());
         } else if (result == GTaskManager.STATE_NETWORK_ERROR) {
             showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network));
         } else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
             showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal));
         } else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
-            showNotification(R.string.ticker_cancel, mContext
-                    .getString(R.string.error_sync_cancelled));
+            showNotification(R.string.ticker_cancel, mContext.getString(R.string.error_sync_cancelled));
         }
         if (mOnCompleteListener != null) {
             new Thread(new Runnable() {
-
                 public void run() {
                     mOnCompleteListener.onComplete();
                 }
             }).start();
         }
     }
-}
+}
\ No newline at end of file