diff --git a/readme2.md b/readme2.md
index d5f057b..6e8b62f 100644
--- a/readme2.md
+++ b/readme2.md
@@ -390,7 +390,7 @@ SearchbyNum
 8·按姓名的字典顺序排出成绩表 
 SearchbyName
 ````
-![字符串排序](mty7.drawio.svg)
+![字符串排序](mty8.drawio.svg)
 
 9·统计各分数段的学生人数及所占的百分比
 StatisticAnalysis