diff --git a/ship.py b/ship.py
index acaa59d..645e65e 100644
--- a/ship.py
+++ b/ship.py
@@ -28,4 +28,9 @@ class Ship(Sprite):
         self.moving_left = False
         self.moving_up = False
         self.moving_down = False
+
+    def update(self):
+        """根据移动标志调整飞船的位置"""
+        # 更新飞船的center值,而不是rect
+        if self.moving_right and self.rect.right < self.screen_rect.right: