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 ![logo](https://raw.githubusercontent.com/NaBian/HandyControl/master/Resources/icon.png)
 
-![csharp-version](https://raw.githubusercontent.com/NaBian/HandyControl/master/Resources/csharp-version.png) ![IDE-version](https://raw.githubusercontent.com/NaBian/HandyControl/master/Resources/IDE-version.png) [![nuget-version](https://img.shields.io/nuget/v/HandyControl.svg)](https://www.nuget.org/packages/HandyControl) [![build-status](https://ci.appveyor.com/api/projects/status/github/NaBian/handycontrol?svg=true)](https://ci.appveyor.com/project/NaBian/handycontrol) [![Join the chat at https://gitter.im/HandyControl/Lobby](https://badges.gitter.im/HandyControl/Lobby.svg)](https://gitter.im/HandyControl/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-
-# Discussion
-
-![Discussion](https://raw.githubusercontent.com/NaBian/HandyControl/master/Resources/qq-group.jpg)
+![dotnet-version](https://img.shields.io/badge/.net-%3E%3D4.0-blue.svg) ![csharp-version](https://img.shields.io/badge/C%23-7.0-blue.svg) ![IDE-version](https://img.shields.io/badge/IDE-vs2017-blue.svg) [![nuget-version](https://img.shields.io/nuget/v/HandyControl.svg)](https://www.nuget.org/packages/HandyControl) [![build-status](https://ci.appveyor.com/api/projects/status/github/NaBian/handycontrol?svg=true)](https://ci.appveyor.com/project/NaBian/handycontrol) [![Join the chat at https://gitter.im/HandyControl/Lobby](https://badges.gitter.im/HandyControl/Lobby.svg)](https://gitter.im/HandyControl/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![qq-group](https://img.shields.io/badge/qq-714704041-red.svg)](//shang.qq.com/wpa/qunwpa?idkey=a571e5553c9d41e49c4f22f3a8b2865451497a795ff281fedf3285def247efc1)
 
 # Welcome to HandyControl
 
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