diff --git a/README.md b/README.md
index 37d513c..779b437 100644
--- a/README.md
+++ b/README.md
@@ -627,7 +627,7 @@ Book* read1()
 针对概要设计
 
 C2:void ShowLibInfo(const Book* book, const Reader* reader);\\查询图书馆的总信息
-![C2](c2.svg)
+![C2](images/c2.svg)
 C3:void ShowLibBook(Book* book);\\查询图书馆藏书信息
 ![c3](images/c3.svg)
 C4:Book* AddBook(Book* book);\\存入新书