diff --git a/README.md b/README.md
index 483a04a..5ad20a3 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,6 @@
 #include <stdio.h>
 #include <math.h>
 #define PI 3.14159265358979323846
-//#include <functions.h> // 包含所有函数的头文件
-
 //两数相加
 int add(int n,int m) {
     return n + m;