diff --git a/alarmclockview/src/main/java/com/alarmclockview/AlarmClockView.java b/alarmclockview/src/main/java/com/alarmclockview/AlarmClockView.java
index 665de7b..40d9011 100644
--- a/alarmclockview/src/main/java/com/alarmclockview/AlarmClockView.java
+++ b/alarmclockview/src/main/java/com/alarmclockview/AlarmClockView.java
@@ -49,9 +49,9 @@ public class AlarmClockView extends View {
     private int mYear;
     private boolean mIsShowTime;
     private String mWeekStr;
+    private TimeChangeListener listener;
 
     private Handler mHandler = new Handler();
-
     private Runnable runnable = new Runnable() {
         @Override
         public void run() {
@@ -152,7 +152,7 @@ private void drawCurrentTime(Canvas canvas) {
         Paint.FontMetricsInt fm = mPaint.getFontMetricsInt();
         int baseLineY = mCenterY + mOuterRadius - fm.top + 2 * mSpace;
 
-        String time = "" + mYear + "年" + (mMonth + 1) + "月" + mDay + "日，" + mWeekStr + "，" + mHour + "点" + mMinute + "分" + mSecond + "秒";
+        String time = "" + mYear + "年" + (mMonth + 1) + "月" + mDay + "日" + mWeekStr + mHour + "点" + mMinute + "分" + mSecond + "秒";
         canvas.drawText(time, mCenterX, baseLineY, mPaint);
     }
 
@@ -327,10 +327,14 @@ public void initCurrentTime() {
 
         System.out.println("现在时间：小时：" + mHour + ",分钟：" + mMinute + ",秒：" + mSecond);
 
+        if (listener != null) {
+            listener.onTimeChange(mCalendar);
+        }
         invalidate();
     }
 
-    public void start() {
+    public void start(TimeChangeListener listener) {
+        this.listener = listener;
         mHandler.postDelayed(runnable, 1000);
         initCurrentTime();
     }
diff --git a/alarmclockview/src/main/java/com/alarmclockview/TimeChangeListener.java b/alarmclockview/src/main/java/com/alarmclockview/TimeChangeListener.java
new file mode 100644
index 0000000..fffe7fe
--- /dev/null
+++ b/alarmclockview/src/main/java/com/alarmclockview/TimeChangeListener.java
@@ -0,0 +1,11 @@
+package com.alarmclockview;
+
+import java.util.Calendar;
+
+/**
+ * Created by HARRY on 2019/1/4 0004.
+ */
+
+public interface TimeChangeListener {
+    void onTimeChange(Calendar calendar);
+}
diff --git a/app/src/main/java/com/alarmclockview/MainActivity.java b/app/src/main/java/com/alarmclockview/MainActivity.java
index 0fd77be..6da15bf 100644
--- a/app/src/main/java/com/alarmclockview/MainActivity.java
+++ b/app/src/main/java/com/alarmclockview/MainActivity.java
@@ -4,6 +4,8 @@
 import android.os.Bundle;
 import android.view.View;
 
+import java.util.Calendar;
+
 public class MainActivity extends AppCompatActivity {
 
     private AlarmClockView mClock;
@@ -14,11 +16,12 @@ protected void onCreate(Bundle savedInstanceState) {
         setContentView(R.layout.activity_main);
 
         mClock = findViewById(R.id.clock);
-
-        mClock.setOnClickListener(new View.OnClickListener() {
+        //运行闹钟
+        mClock.start(new TimeChangeListener() {
             @Override
-            public void onClick(View v) {
-                mClock.start();
+            public void onTimeChange(Calendar calendar) {
+                //根据calendar获取当前时间
+
             }
         });
     }