diff --git a/scoreborad.py b/scoreborad.py
index 96bf979..3b143f6 100644
--- a/scoreborad.py
+++ b/scoreborad.py
@@ -55,4 +55,22 @@ class Scoreboard():
             self.high_score_rect.centerx = self.screen_rect.centerx
             self.high_score_rect.top = self.score_rect.top
 
+        def prep_level(self):
+            """将等级转换为渲染的图像"""
+            self.level_image = self.font.render(str(self.stats.level), True,
+                                                self.text_color, self.ai_settings.bg_color)
+            # 将等级放在得分下方
+            self.level_rect = self.level_image.get_rect()
+            self.level_rect.right = self.score_rect.right
+            self.level_rect.top = self.score_rect.bottom + 10
+
+        def prep_ships(self):
+            """显示还余下多少艘飞船"""
+            self.ships = Group()
+            for ship_number in range(self.stats.ships_left):
+                ship = Ship(self.ai_settings, self.screen)
+                ship.rect.x = 10 + ship_number * ship.rect.width
+                ship.rect.y = 10
+                self.ships.add(ship)
+