无法播放音乐

import pygame, sys

# 默认流程

pygame.init()

size = width, height = 500, 500

# 生成屏幕对象
screen = pygame.display.set_mode(size)

# # 加载图片
# ball = pygame.image.load('./image/1.png')
# ball2 = pygame.image.load('./image/2.png')

# 颜色
black = pygame.Color(0, 0, 0)
white = pygame.Color(255, 255, 255)

# 背景音乐
bg_music = pygame.mixer.music.load('./image/she.mp3')
pygame.mixer.music.play(-1)

fonts = pygame.font.get_fonts()
print(fonts)
font = pygame.font.SysFont('sfnsdisplaycondensedthinotf', 30, True, True)
text = font.render('score:0', True, white)

# 监听事件
while True:
   for event in pygame.event.get():
       if event.type == pygame.QUIT:
           pygame.quit()
           sys.exit()

       # 更新状态

       # 绘制图形
       # screen.fill(pygame.Color(255, 0, 0))
       # screen.blit(ball, (50, 50))
       # pygame.draw.line(screen, pygame.Color(0, 0, 0), (0, 0), (200, 200), 50)
       # pygame.draw.rect(screen, black, (10, 10, 200, 300), 10)
       screen.blit(text, (50, 50))
       # 渲染图形
       pygame.display.flip()