diff --git a/README.md b/README.md
index 6dbed5a4..e23a5d96 100644
--- a/README.md
+++ b/README.md
@@ -24,10 +24,8 @@
 <img src="https://img.shields.io/badge/language-Golang-26C2F0.svg">
 <a href="https://halfrost.com"><img src="https://img.shields.io/badge/Blog-Halfrost--Field-80d4f9.svg?style=flat"></a>
 <a href="http://weibo.com/halfrost"><img src="https://img.shields.io/badge/weibo-@halfrost-f974ce.svg?style=flat&colorA=f4292e"></a>
-<a href="https://twitter.com/halffrost"><img src="https://img.shields.io/badge/twitter-@halfrost-F8E81C.svg?style=flat&colorA=009df2"></a>
-<a href="http://www.jianshu.com/u/12201cdd5d7a"><img src="https://img.shields.io/badge/%E7%AE%80%E4%B9%A6-@%E4%B8%80%E7%BC%95%E6%AE%87%E6%B5%81%E5%8C%96%E9%9A%90%E5%8D%8A%E8%BE%B9%E5%86%B0%E9%9C%9C-b561fe.svg?style=flat&colorA=ed6f59"></a>
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+<a href="https://twitter.com/halffrost"><img src="https://img.shields.io/badge/twitter-@halffrost-F8E81C.svg?style=flat&colorA=009df2"></a>
+<a href="https://www.zhihu.com/people/halfrost/activities"><img src="https://img.shields.io/badge/%E7%9F%A5%E4%B9%8E-@halfrost-fd6f32.svg?style=flat&colorA=0083ea"></a>
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 <a href="https://github.com/halfrost/LeetCode-Go/pulls"><img src="https://img.shields.io/badge/PR-Welcome-brightgreen.svg"></a>
 </p>
@@ -62,23 +60,23 @@
 
 * [Array](#array)
 * [String](#string)
-* [Two Pointers ✅](#two-pointers)
-* [Linked List ✅](#linked-list)
-* [Stack ✅](#stack)
+* [✅ Two Pointers](#two-pointers)
+* [✅ Linked List](#linked-list)
+* [✅ Stack](#stack)
 * [Tree](#tree)
 * [Dynamic programming](#dynamic-programming)
-* [Backtracking ✅](#backtracking)
+* [✅ Backtracking](#backtracking)
 * [Depth First Search](#depth-first-search)
 * [Breadth First Search](#breadth-first-search)
 * [Binary Search](#binary-search)
 * [Math](#math)
 * [Hash Table](#hash-table)
-* [Sort ✅](#sort)
-* [Bit Manipulation ✅](#bit-manipulation)
-* [Union Find ✅](#union-find)
-* [Sliding Window ✅](#sliding-window)
-* [Segment Tree ✅](#segment-tree)
-* [Binary Indexed Tree ✅](#binary-indexed-tree)
+* [✅ Sort](#sort)
+* [✅ Bit Manipulation](#bit-manipulation)
+* [✅ Union Find](#union-find)
+* [✅ Sliding Window](#sliding-window)
+* [✅ Segment Tree](#segment-tree)
+* [✅ Binary Indexed Tree](#binary-indexed-tree)
 
 | 数据结构 | 变种 | 相关题目 | 讲解文章 | 
 |:-------:|:-------|:------|:------|