diff --git a/README.md b/README.md
index eb4c423..e29faa4 100644
--- a/README.md
+++ b/README.md
@@ -9,30 +9,30 @@
 ### Repository Structure
 **The repository is organized into three main folders based on difficulty:**
 ```
-LeetCode-Solutions/
-├── easy/
-│   ├── [Problem ID]-problem-name.py
-│   ├── ...
-│
-├── medium/
-│   ├── [Problem ID]-problem-name.py
-│   ├── ...
-│
-├── hard/
-│   ├── [Problem ID]-problem-name.py
-│   ├── ...
-|
-└── README.md
+LeetCode/
+    ├── easy/
+    │   ├── [Problem ID]-problem-name.py
+    │   ├── ...
+    │
+    ├── medium/
+    │   ├── [Problem ID]-problem-name.py
+    │   ├── ...
+    │
+    ├── hard/
+    │   ├── [Problem ID]-problem-name.py
+    │   ├── ...
+    |
+    └── README.md
 ```
 
 
 
 ## Easy
 
-- [Roman to Integer](https://leetcode.com/problems/roman-to-integer/description/) - [Solution](13-roman-to-integer.md)
-- [Find Closest Number to Zero](https://leetcode.com/problems/find-closest-number-to-zero/description/) - [Solution](2239-find-closest-number-to-zero.md)
-- [Longest Common Prefix](https://leetcode.com/problems/longest-common-prefix/description/) - [Solution](14-longest-common-prefix.md)
 - [Running Sum of 1d Array](https://leetcode.com/problems/running-sum-of-1d-array/description/) - [Solution](1480-running-sum-of-1-d-array.md)
-- [Number of Steps to Reduce a Number to Zero](https://leetcode.com/problems/number-of-steps-to-reduce-a-number-to-zero/description/) - [Solution](1342-number-of-steps-to-reduce-a-number-to-zero.md)
 - [Is Subsequence](https://leetcode.com/problems/is-subsequence/description/) - [Solution](392-is-subsequence.md)
-- [Merge Strings Alternately](https://leetcode.com/problems/merge-strings-alternately/description/) - [Solution](1768-merge-strings-alternately.md)
\ No newline at end of file
+- [Roman to Integer](https://leetcode.com/problems/roman-to-integer/description/) - [Solution](13-roman-to-integer.md)
+- [Merge Strings Alternately](https://leetcode.com/problems/merge-strings-alternately/description/) - [Solution](1768-merge-strings-alternately.md)
+- [Longest Common Prefix](https://leetcode.com/problems/longest-common-prefix/description/) - [Solution](14-longest-common-prefix.md)
+- [Find Closest Number to Zero](https://leetcode.com/problems/find-closest-number-to-zero/description/) - [Solution](2239-find-closest-number-to-zero.md)
+- [Number of Steps to Reduce a Number to Zero](https://leetcode.com/problems/number-of-steps-to-reduce-a-number-to-zero/description/) - [Solution](1342-number-of-steps-to-reduce-a-number-to-zero.md)
\ No newline at end of file
diff --git a/index.html b/index.html
index 7052e41..774e2eb 100644
--- a/index.html
+++ b/index.html
@@ -4,27 +4,27 @@ <h1>LeetCode Solutions</h1>
 <p><a href="https://leetcode.com/">LeetCode</a> is a website containing many algorithm questions. Most of them are real interview questions of Google, Facebook, LinkedIn, Apple, etc. and it always help to sharp our algorithm skills. This repo shows my solutions in Python. Hit the STAR to support this repo, thank you!</p>
 <h3>Repository Structure</h3>
 <p><strong>The repository is organized into three main folders based on difficulty:</strong>
-<code>LeetCode-Solutions/
-├── easy/
-│   ├── [Problem ID]-problem-name.py
-│   ├── ...
-│
-├── medium/
-│   ├── [Problem ID]-problem-name.py
-│   ├── ...
-│
-├── hard/
-│   ├── [Problem ID]-problem-name.py
-│   ├── ...
-|
-└── README.md</code></p>
+<code>LeetCode/
+    ├── easy/
+    │   ├── [Problem ID]-problem-name.py
+    │   ├── ...
+    │
+    ├── medium/
+    │   ├── [Problem ID]-problem-name.py
+    │   ├── ...
+    │
+    ├── hard/
+    │   ├── [Problem ID]-problem-name.py
+    │   ├── ...
+    |
+    └── README.md</code></p>
 <h2>Easy</h2>
 <ul>
-<li><a href="https://leetcode.com/problems/roman-to-integer/description/">Roman to Integer</a> - <a href="13-roman-to-integer.md">Solution</a></li>
-<li><a href="https://leetcode.com/problems/find-closest-number-to-zero/description/">Find Closest Number to Zero</a> - <a href="2239-find-closest-number-to-zero.md">Solution</a></li>
-<li><a href="https://leetcode.com/problems/longest-common-prefix/description/">Longest Common Prefix</a> - <a href="14-longest-common-prefix.md">Solution</a></li>
 <li><a href="https://leetcode.com/problems/running-sum-of-1d-array/description/">Running Sum of 1d Array</a> - <a href="1480-running-sum-of-1-d-array.md">Solution</a></li>
-<li><a href="https://leetcode.com/problems/number-of-steps-to-reduce-a-number-to-zero/description/">Number of Steps to Reduce a Number to Zero</a> - <a href="1342-number-of-steps-to-reduce-a-number-to-zero.md">Solution</a></li>
 <li><a href="https://leetcode.com/problems/is-subsequence/description/">Is Subsequence</a> - <a href="392-is-subsequence.md">Solution</a></li>
+<li><a href="https://leetcode.com/problems/roman-to-integer/description/">Roman to Integer</a> - <a href="13-roman-to-integer.md">Solution</a></li>
 <li><a href="https://leetcode.com/problems/merge-strings-alternately/description/">Merge Strings Alternately</a> - <a href="1768-merge-strings-alternately.md">Solution</a></li>
+<li><a href="https://leetcode.com/problems/longest-common-prefix/description/">Longest Common Prefix</a> - <a href="14-longest-common-prefix.md">Solution</a></li>
+<li><a href="https://leetcode.com/problems/find-closest-number-to-zero/description/">Find Closest Number to Zero</a> - <a href="2239-find-closest-number-to-zero.md">Solution</a></li>
+<li><a href="https://leetcode.com/problems/number-of-steps-to-reduce-a-number-to-zero/description/">Number of Steps to Reduce a Number to Zero</a> - <a href="1342-number-of-steps-to-reduce-a-number-to-zero.md">Solution</a></li>
 </ul>
\ No newline at end of file