diff --git a/src/Notes-master/src/net/micode/notes/ui/DateTimePickerDialog.java b/src/Notes-master/src/net/micode/notes/ui/DateTimePickerDialog.java
index 2c47ba4..1705583 100644
--- a/src/Notes-master/src/net/micode/notes/ui/DateTimePickerDialog.java
+++ b/src/Notes-master/src/net/micode/notes/ui/DateTimePickerDialog.java
@@ -31,10 +31,10 @@ import android.text.format.DateUtils;
 
 public class DateTimePickerDialog extends AlertDialog implements OnClickListener {
 
-    private Calendar mDate = Calendar.getInstance();
-    private boolean mIs24HourView;
-    private OnDateTimeSetListener mOnDateTimeSetListener;
-    private DateTimePicker mDateTimePicker;
+    private Calendar mDate = Calendar.getInstance(); // 创建一个Calendar对象，并初始化为当前日期时间
+    private boolean mIs24HourView; // 是否为24小时制
+    private OnDateTimeSetListener mOnDateTimeSetListener; // 日期时间设置回调接口
+    private DateTimePicker mDateTimePicker; // 日期时间选择器控件
 
     public interface OnDateTimeSetListener {
         void OnDateTimeSet(AlertDialog dialog, long date);