diff --git a/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java b/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
index bf69154..a8c5a31 100644
--- a/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
+++ b/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
@@ -27,9 +27,13 @@ import android.database.Cursor;
 import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
 
-
+/**
+ * 闹钟传回信息接收者
+ * 在设置闹钟之后该活动类会接受来自闹钟系统传回的消息并进行相关处理
+ */
 public class AlarmInitReceiver extends BroadcastReceiver {
 
+    // 数据格式封包
     private static final String[] PROJECTION = new String[]{
             NoteColumns.ID,
             NoteColumns.ALERTED_DATE
@@ -38,6 +42,7 @@ public class AlarmInitReceiver extends BroadcastReceiver {
     private static final int COLUMN_ID = 0;
     private static final int COLUMN_ALERTED_DATE = 1;
 
+    // 接收到闹钟应用的广播后执行该方法
     @Override
     public void onReceive(Context context, Intent intent) {
         long currentDate = System.currentTimeMillis();