update README

README.md

@@ -8,7 +8,8 @@ Directory |Features
 [tools](https://github.com/TarsCloud/TarsCpp/tree/master/tools)        |Source code implementation of C++ language framework IDL tool
 [util](https://github.com/TarsCloud/TarsCpp/tree/master/util)         |Source code implementation of C++ language framework basic tool library
 [examples](https://github.com/TarsCloud/TarsCpp/tree/master/examples)     |Sample code for the C++ language framework, including: quick start examples, introduction to promise programming, examples of pressure test programs
-[test](https://github.com/TarsCloud/TarsCpp/tree/master/test)         |Test procedures for various parts of the C++ language framework
+[unittest](https://github.com/TarsCloud/tars-unittest/tree/master)      |Unittest of tarscpp rpc framework base on GoogleTest test framework. You can download it as a git submodule using 'git submodule init unittest;git submodule update' command.
+[test_deprecated](https://github.com/TarsCloud/TarsCpp/tree/master/test)         |Test procedures for various parts of the C++ language framework, deprecated in current.
 [docs](https://github.com/TarsCloud/TarsCpp/tree/master/docs)         |Document description
 [docs-en](https://github.com/TarsCloud/TarsCpp/tree/master/docs-en)      |English document description
 

README.zh.md

@@ -6,7 +6,8 @@
 [tools](https://github.com/TarsCloud/TarsCpp/tree/master/tools)        |C++语言框架IDL工具的源码实现
 [util](https://github.com/TarsCloud/TarsCpp/tree/master/util)          |C++语言框架基础工具库的源码实现
 [examples](https://github.com/TarsCloud/TarsCpp/tree/master/examples)     |C++语言框架的示例代码，包括：快速入门示例、promise编程入门示例、压测程序示例
-[test](https://github.com/TarsCloud/TarsCpp/tree/master/test)         |C++语言框架各个部分的测试程序
+[unittest](https://github.com/TarsCloud/tars-unittest/tree/master)      |tars cpp rpc框架的单元测试用例，基于GoogleTest开发；可以使用命令'git submodule init unittest;git submodule update'作为git子模块下载
+[test_deprecated](https://github.com/TarsCloud/TarsCpp/tree/master/test)         |C++语言框架各个部分的测试程序,已弃用
 [docs](https://github.com/TarsCloud/TarsCpp/tree/master/docs)         |文档说明
 [docs-en](https://github.com/TarsCloud/TarsCpp/tree/master/docs-en)      |英文文档说明