diff --git a/hello world.c b/hello world.c
index a27bd30..c1f7c9e 100644
--- a/hello world.c	
+++ b/hello world.c	
@@ -1,6 +1,6 @@
 #include <stdio.h>
 int main()
 {
-    printf("你们好哇！");
+    printf("欢迎使用图书管理系统");
     return 0;
 }
\ No newline at end of file