diff --git a/src/net/micode/notes/ui/AlarmAlertActivity.java b/src/net/micode/notes/ui/AlarmAlertActivity.java
index 23c1778..b208e50 100644
--- a/src/net/micode/notes/ui/AlarmAlertActivity.java
+++ b/src/net/micode/notes/ui/AlarmAlertActivity.java
@@ -106,16 +106,13 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
         }
     }
 
-    private boolean isScreenOn() {
-      //判断屏幕是否锁屏，调用系统函数判断，最后返回值是布尔类型
+    private boolean isScreenOn() {//判断屏幕是否锁屏，调用系统函数判断，最后返回值是布尔类型
         PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
         return pm.isScreenOn();
     }
 
-    private void playAlarmSound() {
-      //闹钟提示音激发
-        Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
-      //调用系统的铃声管理URI，得到闹钟提示音
+    private void playAlarmSound() {//闹钟提示音激发
+        Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);//调用系统的铃声管理URI，得到闹钟提示音
         int silentModeStreams = Settings.System.getInt(getContentResolver(),
                 Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);