diff --git a/2207/C语言同步练习源码/3.数组-3.c b/2207/C语言同步练习源码/3.数组-3.c
index 1efe949..112626c 100644
--- a/2207/C语言同步练习源码/3.数组-3.c
+++ b/2207/C语言同步练习源码/3.数组-3.c
@@ -22,6 +22,7 @@ int main(){
 	*p = '\0';//��ǽ����� 
 	printf("a=%s\n", a);
 	printf("b=%s\n", b);
+	//srand((unsigned)time(NULL));
 	
 	
 	return 0;