diff --git a/my_music.py b/my_music.py
index 5d7e7a4..fba1e30 100644
--- a/my_music.py
+++ b/my_music.py
@@ -1,8 +1,7 @@
 import pygame
-import os
 from pygame import locals
 
-pygame.init()  # 初始化
+pygame.init()   # 初始化
 # 创建窗口
 screen = pygame.display.set_mode((640, 480))
 # 载入图片、资源
@@ -11,70 +10,53 @@ play_img = pygame.image.load('play.png')  # 播放按钮
 stop_img = pygame.image.load('stop.png')  # 暂停按钮
 last_img = pygame.image.load('last.png')  # 上一曲按钮
 next_img = pygame.image.load('next.png')  # 下一曲按钮
-logo_img = pygame.image.load('logo.png')  # 下一曲按钮
-
-# 将文件内的音乐添加到列表
-music_list=[]
-path="C:\\Users\\LTT\\Documents\\pygame_lesson5_diy1\\"
-file=os.listdir(path)
-for i in file:
-    if i[-4:]==".wav" or i[-4:]==".ogg":
-        music_list.append(i)
-
-# 载入音乐
-#pygame.mixer.music.load('歌曲4.ogg')  # 载入音乐      
-
-volume = 0.2
-pygame.mixer.music.set_volume(volume)  # 初始播放音量
-click = 0
-
-play_button = stop_img
-num=0
+logo_img = pygame.image.load('logo.png')  # 中间logo
+ledi=["歌曲1.wav","歌曲2.wav","歌曲3.wav","歌曲4.wav"]
+
+volume=0
+click=0
+button_img = stop_img
+num=-1
+x=0
+y=0
 while True:
     for event in pygame.event.get():
-        if event.type == locals.QUIT:
+        if event.type==locals.QUIT:
             exit()
-        # 按键，控制声音大小
-        if event.type == locals.KEYDOWN:
-            if event.key == locals.K_UP:
-                volume += 0.1
-                if volume > 1:
-                    volume = 1
+        if event.type==locals.KEYDOWN: 
+            if event.key==locals.K_DOWN:
+                volume-=0.1
+                if volume<0:
+                    volume=0
                 pygame.mixer.music.set_volume(volume)
-            if event.key == locals.K_DOWN:
-                volume -= 0.1
-                if volume < 0:
-                    volume = 0
+            if event.key==locals.K_UP:
+                volume+=0.1
+                if volume>1:
+                    volume=1
                 pygame.mixer.music.set_volume(volume)
-
-        # 按下鼠标
-
-        if event.type == locals.MOUSEBUTTONDOWN:
-            # 获取点击处的坐标
-            
-                # 次数增加
-                click += 1
-                if click % 2 == 0:
-                    play_button = stop_img
-                    pygame.mixer.music.unpause()
-                else:
-                    play_button = play_img
-                    pygame.mixer.music.pause()
-
-
-    if pygame.mixer.music.get_busy() == False:
-       num += 1
-       if num > len(music_list)-1:
-           num=0
-        
-       pygame.mixer.music.load(path+"\\"+music_list[num]) 
-       pygame.mixer.music.play()
-
+        if event.type==locals.MOUSEBUTTONDOWN:
+            if event.button==1:
+                x,y=event.pos
+                if x>270 and y>350 and x<370 and y<450:
+                    click+=1
+                    if click%2==0:
+                        button_img = stop_img
+                        pygame.mixer.music.unpause()
+                    else:
+                        button_img = play_img
+                        pygame.mixer.music.pause()
+    if pygame.mixer.music.get_busy()==False:
+        num+=1
+        if num>len(ledi)-1:
+            num=0
+        pygame.mixer.music.load(ledi[num])
+        pygame.mixer.music.play()
+    
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景
-    screen.blit(play_button, (270, 330))   # 暂停按钮
+    screen.blit(button_img, (270, 330))   # 暂停按钮
     screen.blit(logo_img, (170, 60))    # 中间logo图
     screen.blit(last_img, (120, 350))   # 上一曲
     screen.blit(next_img, (420, 350))   # 下一曲
     # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    pygame.display.update()