diff --git a/Alien_Invasion.py b/Alien_Invasion.py
new file mode 100644
index 0000000..5450adc
--- /dev/null
+++ b/Alien_Invasion.py
@@ -0,0 +1,28 @@
+import sys
+import pygame
+
+from settings import Settings
+from ship import Ship
+
+class AlienInvasion: # 管理游戏资源和行为的类
+
+    def __init__(self):  # 初始化游戏设置并创建资源
+        pygame.init()
+        self.settings = Settings()
+        self.screen = pygame.display.set_mode((self.settings.screen_width, self.settings.screen_height))
+        pygame.display.set_caption("消灭外星人")
+
+        self.ship = Ship(self)
+
+    def run_game(self): # 开始游戏主循环
+        while True:
+            for event in pygame.event.get():
+                if event.type == pygame.QUIT:
+                    sys.exit()
+            self.screen.fill(self.settings.bg_color) # 每次循环时都重绘屏幕
+            self.ship.blitme()  # 让最近绘制的屏幕可见
+            pygame.display.flip()
+
+if __name__ == '__main__':     # 创建游戏实例并运行游戏
+    ai = AlienInvasion()
+    ai.run_game()
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