diff --git a/notes/58.2 左旋转字符串.md b/notes/58.2 左旋转字符串.md
index 576d83c9..cd9c576c 100644
--- a/notes/58.2 左旋转字符串.md	
+++ b/notes/58.2 左旋转字符串.md	
@@ -2,7 +2,7 @@
 
 ## 题目链接
 
-[牛客网](https://www.nowcoder.com/practice/12d959b108cb42b1ab72cef4d36af5ec?tpId=13&tqId=11196&tPage=1&rp=1&ru=/ta/coding-interviews&qru=/ta/coding-interviews/question-ranking&from=cyc_github)
+[Leetcode](https://leetcode.cn/problems/zuo-xuan-zhuan-zi-fu-chuan-lcof/)
 
 ## 题目描述
 
@@ -22,12 +22,12 @@ Output:
 先将 "abc" 和 "XYZdef" 分别翻转，得到 "cbafedZYX"，然后再把整个字符串翻转得到 "XYZdefabc"。
 
 ```java
-public String LeftRotateString(String str, int n) {
-    if (n >= str.length())
-        return str;
-    char[] chars = str.toCharArray();
-    reverse(chars, 0, n - 1);
-    reverse(chars, n, chars.length - 1);
+public String dynamicPassword(String password, int target) {
+    if (target >= password.length())
+        return password;
+    char[] chars = password.toCharArray();
+    reverse(chars, 0, target - 1);
+    reverse(chars, target, chars.length - 1);
     reverse(chars, 0, chars.length - 1);
     return new String(chars);
 }