diff --git a/scoreboard.py b/scoreboard.py
index 07c5a0f..5952dd9 100644
--- a/scoreboard.py
+++ b/scoreboard.py
@@ -37,3 +37,15 @@ class Scoreboard:
         self.screen.blit(self.high_score_image, self.high_score_rect)
         self.screen.blit(self.level_image, self.level_rect)
         self.ships.draw(self.screen)
+
+    def prep_high_score(self):
+        #"""将最高得分转换为渲染的图像"""
+        high_score = round(self.stats.high_score, -1)
+        high_score_str = "{:,}".format(high_score)
+        self.high_score_image = self.font.render(high_score_str, True,
+                 self.text_color, self.settings.bg_color)
+
+        # """将最高得分放在屏幕顶部中央"""
+        self.high_score_rect = self.high_score_image.get_rect()
+        self.high_score_rect.centerx = self.screen_rect.centerx
+        self.high_score_rect.top = self.score_rect.top
\ No newline at end of file