diff --git a/game_functions.py b/game_functions.py
index ac9e082..0ec55de 100644
--- a/game_functions.py
+++ b/game_functions.py
@@ -34,4 +34,6 @@ def fire_bullet(ai_settings, screen, ship, bullets):
 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
+        ship.moving_right = False
+    elif event.key == pygame.K_LEFT:
+        ship.moving_left = False
\ No newline at end of file