diff --git a/src/net/micode/notes/ui/AlarmReceiver.java b/src/net/micode/notes/ui/AlarmReceiver.java
index 54e503b..536e72a 100644
--- a/src/net/micode/notes/ui/AlarmReceiver.java
+++ b/src/net/micode/notes/ui/AlarmReceiver.java
@@ -20,11 +20,16 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 
+//AlarmReceiver 类继承自 BroadcastReceiver， 广播接收者用于获取系统启动或其他特定事件的通知
 public class AlarmReceiver extends BroadcastReceiver {
+    //当广播被执行时执行此方法
     @Override
     public void onReceive(Context context, Intent intent) {
+        //设置Intent的目标Activity为AlarmAlertActivity
         intent.setClass(context, AlarmAlertActivity.class);
+        //添加FLAG_ACTIVITY_NEW_TASK标志，用于启动一个新的任务栈
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        //启动目标Activity，AlarmAlertActivity
         context.startActivity(intent);
     }
 }