diff --git a/jinzhi-lj.java b/jinzhi-lj.java
index 94270ea..28066ab 100644
--- a/jinzhi-lj.java
+++ b/jinzhi-lj.java
@@ -1,4 +1,4 @@
-public class jinzhi {
+class jinzhi_lj {
     public static void main(String[] args) {
         int a = 15;
         int n = 0;