diff --git a/game_functions.py b/game_functions.py
index ac1edeb..ac9e082 100644
--- a/game_functions.py
+++ b/game_functions.py
@@ -28,4 +28,10 @@ def fire_bullet(ai_settings, screen, ship, bullets):
     # 创建一颗子弹，并将其加入到编组bullets中
     if len(bullets) < ai_settings.bullets_allowed:
         new_bullet = Bullet(ai_settings, screen, ship)
-        bullets.add(new_bullet)
\ No newline at end of file
+        bullets.add(new_bullet)
+
+
+def check_keyup_events(event, ship):
+    """响应松开"""
+    if event.key == pygame.K_RIGHT:
+        ship.moving_right = False
\ No newline at end of file