diff --git a/README.md b/README.md
index 1420b9d..499caaa 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ AntiXssUF
 
 [![NuGet version](https://badge.fury.io/nu/AntiXssUF.svg)](https://badge.fury.io/nu/AntiXssUF) [![Build status](https://ci.appveyor.com/api/projects/status/9nsqv2f81gcnwndg?svg=true)](https://ci.appveyor.com/project/JacksonBruce/antixssuf) [![GitHub license](https://img.shields.io/github/license/JacksonBruce/AntiXssUF)](https://github.com/JacksonBruce/AntiXssUF/blob/master/LICENSE)
 
-[![netstandard2.1](https://img.shields.io/badge/netstandard-2.1-brightgreen)](https://img.shields.io/badge/netstandard-2.1-brightgreen) 
+[![netstandard2.1](https://img.shields.io/badge/netstandard-2.1-brightgreen)](https://img.shields.io/badge/netstandard-2.1-brightgreen) [![netstandard2.0](https://img.shields.io/badge/netstandard-2.0-brightgreen)](https://img.shields.io/badge/netstandard-2.0-brightgreen)  [![netcoreapp2.1](https://img.shields.io/badge/netcoreapp-2.1-brightgreen)](https://img.shields.io/badge/netcoreapp-2.1-brightgreen)  [![netcoreapp3.1](https://img.shields.io/badge/netcoreapp-3.1-brightgreen)](https://img.shields.io/badge/netcoreapp-3.1-brightgreen)   [![netframework4.6.1](https://img.shields.io/badge/net%20framework-4.6.1-brightgreen)](https://img.shields.io/badge/net%20framework-4.6.1-brightgreen) 
 
 跨站脚本攻击（XSS）过滤器，以白名单的过滤策略，支持多种过滤策略，可以根据业务场景选择适合的过滤策略，或者根据用户角色动态绑定过滤策略，支持OwaspAntisamy项目的配置，支持json格式的配置；
 使用方法：