Update README.md

Author: plh97

README.md

@@ -2,8 +2,8 @@
 
 [![codeCov](https://codecov.io/gh/pengliheng/leetcode/branch/master/graph/badge.svg)](https://codecov.io/gh/pengliheng/leetcode)
 [![Build Status](https://www.travis-ci.org/pengliheng/leetcode.svg?branch=master)](https://www.travis-ci.org/pengliheng/leetcode)
-[![images](https://leetcode-badge.chyroc.cn/?name=pengliheng)](https://leetcode.com/pengliheng)
-[![images](https://leetcode-badge.chyroc.cn/?name=pengliheng&leetcode_badge_style=Leetcode%20|%20Ranking-{{.ranking}}-green.svg)](https://leetcode.com/pengliheng)
+[![images](https://leetcode-badge.chyroc.cn/?name=plh2)](https://leetcode.com/plh2)
+[![images](https://leetcode-badge.chyroc.cn/?name=plh2&leetcode_badge_style=Leetcode%20|%20Ranking-{{.ranking}}-green.svg)](https://leetcode.com/plh2)
 
 ## 刷题原则