diff --git a/README.md b/README.md
index 04936bf..f3c558d 100644
--- a/README.md
+++ b/README.md
@@ -374,4 +374,4 @@ void createjz(){//创建邻接矩阵函数
 
  ![C2](images/chuangjian.svg)
 C3:void createjz();
-![c4](开始.svg)
\ No newline at end of file
+![C4](开始.svg)
\ No newline at end of file