diff --git a/ship.py b/ship.py
index dd8b079..d3056ec 100644
--- a/ship.py
+++ b/ship.py
@@ -1,9 +1,11 @@
 import pygame
+from pygame.sprite import Sprite
 
-class Ship: # 管理飞船的类
-
+class Ship(Sprite): # 管理飞船的类
     def __init__(self, ai_game): # 初始化飞船并设置其初始位置
+        super().__init__()
         self.screen = ai_game.screen
+        self.settings = ai_game.settings
         self.screen_rect = ai_game.screen.get_rect()
 
         self.image = pygame.image.load('images/ship.bmp') # 加载飞船图像并获取其外接矩形
@@ -16,13 +18,13 @@ class Ship: # 管理飞船的类
 
         # 移动标志
         self.moving_right = False
-        self.moving_right = False
+        self.moving_left = False
 
     def update(self): # 根据移动标志调整飞船位置
         # 更新飞船而不是rect对象的x值
         if self.moving_right and self.rect.right < self.screen_rect.right:
             self.x += self.settings.ship_speed
-        if self.moving_left and self.rect.left > 0  
+        if self.moving_left and self.rect.left > 0:  
             self.x -= self.settings.ship_speed
 
         # 根据self.x 更新rect对象
@@ -31,6 +33,6 @@ class Ship: # 管理飞船的类
     def blitme(self):   # 在指定位置绘制飞船
         self.screen.blit(self.image, self.rect)
 
-    def center_ship(ship): # 让飞船在屏幕底部剧中
+    def center_ship(self): # 让飞船在屏幕底部剧中
         self.rect.midbottom = self.screen_rect.midbottom
         self.x = float(self.rect.x)
\ No newline at end of file