diff --git a/jinzhi-lj.java b/jinzhi-lj.java
index 28066ab..5322e50 100644
--- a/jinzhi-lj.java
+++ b/jinzhi-lj.java
@@ -1,13 +1,13 @@
 class jinzhi_lj {
     public static void main(String[] args) {
-        int a = 15;
-        int n = 0;
+        int n = 15;
+        int x=0;
         int i=0;
-        while (a > 0) {
-            n = (int) (n + (a % 2) * Math.pow(10,i));
-            a = a / 2;
+        while (n > 0) {
+            x = (int) (x + (n % 2) * Math.pow(10,i));
+            n = n / 2;
             i=i+1;
         }
-        System.out.print("十进制a转换二进制n为：" + n);
+        System.out.print("十进制n转换二进制a为：" + x);
     }
 }
\ No newline at end of file