diff --git a/game_functions.py b/game_functions.py
index d6dbcec..3737d05 100644
--- a/game_functions.py
+++ b/game_functions.py
@@ -48,4 +48,12 @@ def check_events(ai_settings, screen, stats, sb, play_button, ship, aliens,
     """响应按键和鼠标事件"""
     for event in pygame.event.get():
         if event.type == pygame.QUIT:
-            sys.exit()
\ No newline at end of file
+            sys.exit()
+        elif event.type == pygame.KEYDOWN:
+            check_keydown_events(event, ai_settings, screen, ship, bullets)
+        elif event.type == pygame.KEYUP:
+            check_keyup_events(event, ship)
+        elif event.type == pygame.MOUSEBUTTONDOWN:
+            mouse_x, mouse_y = pygame.mouse.get_pos()
+            check_play_button(ai_settings, screen, stats, sb, play_button, ship,
+                              aliens, bullets, mouse_x, mouse_y )
\ No newline at end of file