diff --git a/README.md b/README.md
index 5ebe375..63d1e6a 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,7 @@ LeetCode solutions with Chinese explanation. LeetCode中文题解。
 | 27 |[Remove Element](https://leetcode.com/problems/remove-element)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/27.%20Remove%20Element.md)|Easy|  |
 | 29 |[Divide Two Integers](https://leetcode.com/problems/divide-two-integers)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/29.%20Divide%20Two%20Integers.md)|Medium|  |
 | 31 |[Next Permutation](https://leetcode.com/problems/next-permutation)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/31.%20Next%20Permutation.md)|Medium|  |
+| 34 |[Find First and Last Position of Element in Sorted ](https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/34.%20Find%20First%20and%20Last%20Position%20of%20Element%20in%20Sorted%20Array.md)|Medium|  |
 | 33 |[Search in Rotated Sorted Array](https://leetcode.com/problems/search-in-rotated-sorted-array/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/33.%20Search%20in%20Rotated%20Sorted%20Array.md)|Medium|  |
 | 35 |[Search Insert Position](https://leetcode.com/problems/search-insert-position)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/35.%20Search%20Insert%20Position.md)|Easy|  |
 | 38 |[Count and Say](https://leetcode.com/problems/count-and-say)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/38.%20Count%20and%20Say.md)|Easy|  |
@@ -134,4 +135,4 @@ LeetCode solutions with Chinese explanation. LeetCode中文题解。
 | 628 |[Maximum Product of Three Numbers](https://leetcode.com/problems/maximum-product-of-three-numbers)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/628.%20Maximum%20Product%20of%20Three%20Numbers.md)|Easy|  |
 | 643 |[Maximum Average Subarray I](https://leetcode.com/problems/maximum-average-subarray-i)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/643.%20Maximum%20Average%20Subarray%20I.md)|Easy|  |
 | 661 |[Image Smoother](https://leetcode.com/problems/image-smoother)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/661.%20Image%20Smoother.md)|Easy|  |
-| 665 |[Non-decreasing Array](https://leetcode.com/problems/non-decreasing-array)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/665.%20Non-decreasing%20Array.md)|Easy|  |
\ No newline at end of file
+| 665 |[Non-decreasing Array](https://leetcode.com/problems/non-decreasing-array)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/665.%20Non-decreasing%20Array.md)|Easy|  |