diff --git a/README.md b/README.md
index 27a0a30..65e5d3c 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ int main() {
     printf("总价值=%d", maxv);
 }
 ~~~
-  
+
 ~~~c
 #include<stdio.h>
 int fib(int n){
@@ -66,7 +66,7 @@ int main(){
 	return 0;
 }
 ~~~
-  
+
 ~~~c
 #include<stdio.h>
 typedef struct{
@@ -107,7 +107,7 @@ int main(){
 	return 0;
 }
 ~~~
-  
+
 ~~~c
 #include<stdio.h>
 #include<stdlib.h>