diff --git a/src/com/sheep/music/BackgroundMusic.java b/src/com/sheep/music/BackgroundMusic.java
new file mode 100644
index 0000000..8f15b06
--- /dev/null
+++ b/src/com/sheep/music/BackgroundMusic.java
@@ -0,0 +1,45 @@
+package com.sheep.music;
+
+import javax.sound.sampled.*;
+import java.io.File;
+import java.io.IOException;
+
+public class BackgroundMusic {
+    private Clip clip;
+    private String name1 = "wavs\\告白气球.wav";
+
+    public void play(String musicFilePath){
+        try {
+            File musicFile = new File(musicFilePath);
+            AudioInputStream audioIn = AudioSystem.getAudioInputStream(musicFile);
+            clip = AudioSystem.getClip();
+            clip.open(audioIn);
+            clip.loop(Clip.LOOP_CONTINUOUSLY);
+        } catch (UnsupportedAudioFileException e) {
+            throw new RuntimeException(e);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        } catch (LineUnavailableException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public void stop(){
+        clip.stop();
+    }
+
+    public void switchMusic(Integer gameMode){
+        stop();
+        switch (gameMode){
+            case 1:
+                play(name1);
+                break;
+            case 2:
+                play(name1);
+                break;
+            case 3:
+                play(name1);
+                break;
+        }
+    }
+}
diff --git a/src/com/sheep/view/Start.java b/src/com/sheep/view/Start.java
index d46d443..cb9a164 100644
--- a/src/com/sheep/view/Start.java
+++ b/src/com/sheep/view/Start.java
@@ -1,6 +1,7 @@
 package com.sheep.view;
 
 import com.sheep.model.Brand;
+import com.sheep.music.BackgroundMusic;
 import com.sheep.util.MapUtil;
 
 import javax.swing.*;
@@ -16,6 +17,7 @@ import java.awt.event.MouseEvent;
 public class Start extends JFrame {
     Integer gameMode;
     JLabel backgroundLabel = new JLabel(new ImageIcon("imgs/背景1.png"));
+    BackgroundMusic music = new BackgroundMusic();
 
     public Start() {
         gameMode = 1;
@@ -26,6 +28,8 @@ public class Start extends JFrame {
 
         //重复刷新
         aotoRefresh();
+
+        music.play("wavs\\告白气球.wav");
     }
 
     private void init(){
@@ -67,6 +71,7 @@ public class Start extends JFrame {
             @Override
             public void mouseClicked(MouseEvent e) {
                 gameMode = 1;
+                music.switchMusic(1);
 
                 backgroundLabel.setIcon(new ImageIcon("imgs/背景1.png"));
                 backgroundLabel.repaint();
@@ -78,6 +83,7 @@ public class Start extends JFrame {
             @Override
             public void mouseClicked(MouseEvent e) {
                 gameMode = 2;
+                music.switchMusic(2);
 
                 backgroundLabel.setIcon(new ImageIcon("imgs/背景2.png"));
                 backgroundLabel.repaint();
@@ -89,6 +95,7 @@ public class Start extends JFrame {
             @Override
             public void mouseClicked(MouseEvent e) {
                 gameMode = 3;
+                music.switchMusic(3);
 
                 backgroundLabel.setIcon(new ImageIcon("imgs/背景3.png"));
                 backgroundLabel.repaint();