[docs]modify feature descriptions in README

README.md

@@ -29,10 +29,8 @@ With these ideas in mind, we develop SuperSonic as a practical reference impleme
 ## Out-of-the-box Features
 
 - Built-in Chat BI interface for *business users* to enter natural language queries
-- Built-in Headless BI interface for *analytics engineers* to build semantic models
-- Built-in GUI for *system administrators* to manage chat agents and third-party plugins
+- Built-in Headless BI interface for *analytics engineers* to build semantic data models
 - Support input auto-completion as well as query recommendation
-- Support multi-turn conversation and history context management 
 - Support four-level permission control: domain-level, model-level, column-level and row-level
 
 ## Extensible Components

README_CN.md

@@ -26,9 +26,7 @@
 
 - 内置Chat BI界面以便*业务用户*输入数据查询。
 - 内置Headless BI界面以便*分析工程师*构建语义模型。
-- 内置图形用户界面以便*系统管理员*管理第三方插件和对话助理。
 - 支持文本输入的联想和查询问题的推荐。
-- 支持多轮对话，根据语境自动切换上下文。
 - 支持四级权限控制：主题域级、模型级、列级、行级。
 
 ## 易于扩展的组件