diff --git a/src/gtask/remote/GTaskASyncTask.java b/src/gtask/remote/GTaskASyncTask.java
index b1febfc..127bada 100644
--- a/src/gtask/remote/GTaskASyncTask.java
+++ b/src/gtask/remote/GTaskASyncTask.java
@@ -25,31 +25,43 @@ import net.micode.notes.ui.NotesPreferenceActivity;
 public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
  
  
+    /*
+     * 通知的ID，用于同步通知
+     */
     private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
- 
+
+    /**
+     * 完成监听器接口，用于在任务完成时回调
+     */
     public interface OnCompleteListener {
         void onComplete();
     }
- 
-    private Context mContext;
- 
-    private NotificationManager mNotifiManager;
- 
-    private GTaskManager mTaskManager;
- 
-    private OnCompleteListener mOnCompleteListener;
- 
+
+    private Context mContext;                // 上下文对象
+    private NotificationManager mNotifiManager;  // 通知管理器
+    private GTaskManager mTaskManager;        // GTask管理器
+    private OnCompleteListener mOnCompleteListener;  // 完成监听器
+
+    /**
+     * 构造函数，初始化异步任务
+     *
+     * @param context  上下文对象
+     * @param listener 完成监听器
+     */
     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();
     }
- 
+
+    /**
+     * 取消同步任务
+     */
     public void cancelSync() {
         mTaskManager.cancelSync();
     }
+
  
     public void publishProgess(String message) { // 发布进度单位，系统将会调用onProgressUpdate()方法更新这些值
         publishProgress(new String[] {