diff --git a/README.md b/README.md
index 62d850f..1be3e69 100644
--- a/README.md
+++ b/README.md
@@ -215,6 +215,7 @@ My LeetCode solutions with Chinese explanation. 我的LeetCode中文题解。
 | 343 |[Integer Break](https://leetcode.com/problems/integer-break/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/343.%20Integer%20Break.md)|Medium|  |
 | 344 |[Reverse String](https://leetcode.com/problems/reverse-string)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/344.%20Reverse%20String.md)|Easy|  |
 | 345 |[Reverse Vowels of a String](https://leetcode.com/problems/reverse-vowels-of-a-string)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/345.%20Reverse%20Vowels%20of%20a%20String.md)|Easy|  |
+| 347 |[Top K Frequent Elements](https://leetcode.com/problems/top-k-frequent-elements/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/347.%20Top%20K%20Frequent%20Elements.md)|Medium|  |
 | 349 |[Intersection of Two Arrays](https://leetcode.com/problems/intersection-of-two-arrays)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/349.%20Intersection%20of%20Two%20Arrays.md)|Easy|  |
 | 350 |[Intersection of Two Arrays II](https://leetcode.com/problems/intersection-of-two-arrays-ii)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/350.%20Intersection%20of%20Two%20Arrays%20II.md)|Easy|  |
 | 367 |[Valid Perfect Square](https://leetcode.com/problems/valid-perfect-square)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/367.%20Valid%20Perfect%20Square.md)|Easy|  |