Update README

Author: duangsuse

README.md

@@ -2,17 +2,16 @@
 <img src="https://raw.githubusercontent.com/pigfromchina/treeToolbox/doc/material-tree.svg" alt="Material Tree Icon">
 </p>
 
-<h1 align="center"><a href="https://material.viosey.com" target="_blank">Tree Toolbox</a></h1>
+<h1 align="center">Tree Toolbox</h1>
 
 > Tree - Simple, Nature Toolbox for your Android
 
 [![All Releases](https://img.shields.io/github/downloads/pigfromchina/treetoolbox/total.svg?style=flat-square)](https://github.com/pigfromChina/TreeToolbox/releases)
-[![issues](https://img.shields.io/github/issues/pigfromchina/treetoolbox.svg?style=flat-square)](https://github.com/pigfromChina/TreeToolbox/issues)
 [![Latest release at](https://img.shields.io/github/release-date/pigfromchina/treetoolbox.svg?style=flat-square)](https://github.com/pigfromChina/TreeToolbox/releases)
 [![code size](https://img.shields.io/github/languages/code-size/pigfromchina/treetoolbox.svg?style=flat-square)]()
 [![Author](https://img.shields.io/badge/author-duangsuse-green.svg?style=flat-square)](https://t.me/duangsuse)
-[![language](https://img.shields.io/badge/language-beanshell-EB2A02A.svg?style=flat-square)](https://github.com/beanshell/beanshell)
-[![Android](https://img.shields.io/badge/Android-Oreo_API27-green.svg?style=flat-square)](https://github.com/pigfromChina/TreeToolbox/blob/master/app/build.gradle)
+[![language](https://img.shields.io/badge/lang-beanshell-EB2A02A.svg?style=flat-square)](https://github.com/beanshell/beanshell)
+[![Android](https://img.shields.io/badge/Android-27-green.svg?style=flat-square)](https://github.com/pigfromChina/TreeToolbox/blob/master/app/build.gradle)
 
 # Description