diff --git a/scoreboard.py b/scoreboard.py
deleted file mode 100644
index 95faa4d..0000000
--- a/scoreboard.py
+++ /dev/null
@@ -1,96 +0,0 @@
-import pygame.font
-from pygame.sprite import Group
-from ship import Ship
-
-class Scoreboard():
-    """显示得分信息的类"""
-
-    def __init__(self, ai_settings, screen, stats):
-        """初始化相关参数"""
-        self.ai_settings = ai_settings
-        self.screen = screen
-        self.screen_rect = screen.get_rect()
-        self.stats = stats
-
-        # 字体设置
-        self.text_color = (230, 230, 230)
-        self.font = pygame.font.SysFont("Calibri, Arial", 28)
-
-        # 准备得分图像、等级及剩余飞船图像
-        self.prep_images()
-
-
-    def show_score(self):
-        """在屏幕上显示得分、历史记录、等级、大招数"""
-        self.screen.blit(self.score_image, self.score_rect)
-        self.screen.blit(self.high_score_image, self.high_score_rect)
-        self.screen.blit(self.level_image, self.level_rect)
-        self.screen.blit(self.power_image, self.power_rect)
-
-
-    def prep_images(self):
-        """准备各个图像(得分,历史记录,等级,剩余飞船)"""
-        self.prep_score()
-        self.prep_high_score()
-        self.prep_level()
-        self.prep_ships()
-        self.prep_power()
-
-
-    def prep_score(self):
-        """将得分渲染为图像"""
-        rounded_score = round(self.stats.score, -1)
-        score_str = "{:,}".format(rounded_score)
-        self.score_image = self.font.render(score_str, True, self.text_color, self.ai_settings.bg_color)
-
-        # 将得分放在屏幕右上角
-        self.score_rect = self.score_image.get_rect()
-        self.score_rect.top = 20
-        self.score_rect.right = self.screen_rect.right - 20
-
-
-    def prep_high_score(self):
-        """将历史记录渲染为图像"""
-        rounded_high_score = round(self.stats.high_score, -1)
-        high_score_str = "Record: " + "{:,}".format(rounded_high_score)
-        self.high_score_image = self.font.render(high_score_str, True, self.text_color, self.ai_settings.bg_color)
-
-        # 将历史记录放在屏幕左下角
-        self.high_score_rect = self.high_score_image.get_rect()
-        self.high_score_rect.bottom = self.screen_rect.bottom - 10
-        self.high_score_rect.left = self.screen_rect.left + 10
-
-
-    def prep_level(self):
-        """将等级渲染为图像"""
-        level_str = "Level: " + str(self.stats.level)
-        self.level_image = self.font.render(level_str, True, self.text_color, self.ai_settings.bg_color)
-
-        # 将等级放在得分下面
-        self.level_rect = self.level_image.get_rect()
-        self.level_rect.top = self.score_rect.bottom
-        self.level_rect.right = self.screen_rect.right - 20
-
-
-    def prep_ships(self):
-        """显示剩余飞船"""
-        self.ships = Group()
-        for ship_number in range(self.stats.ships_left):
-            ship = Ship(self.ai_settings, self.screen)
-            ship.image = pygame.transform.scale(ship.image,(25, 27))
-            ship.rect = ship.image.get_rect()
-            ship.rect.x = ship.rect.width * ship_number + 10
-            ship.rect.y = 10
-            self.ships.add(ship)
-
-
-    def prep_power(self):
-        """将大招渲染为图像"""
-        power_num = int(self.stats.power / self.ai_settings.points_of_power)
-        power_str = "Power: " + str(power_num)
-        self.power_image = self.font.render(power_str, True, self.text_color, self.ai_settings.bg_color)
-
-        # 将大招数放在屏幕右下
-        self.power_rect = self.power_image.get_rect()
-        self.power_rect.bottom = self.screen_rect.bottom - 10
-        self.power_rect.right = self.screen_rect.right - 10