style(version string):change version string

 # BlueSea_OPTEK_LINK_SDK
 # BlueSea_OPTEK_LINK_SDK
 
 
-#### 介绍
-sdk with optek link,Initial versions include GAME, Wireless Subwoofer, and Classic Bluetooth.
-
-#### 软件架构
-软件架构说明
-
-
-#### 安装教程
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### 使用说明
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### 参与贡献
-
-1.  Fork 本仓库
-2.  新建 Feat_xxx 分支
-3.  提交代码
-4.  新建 Pull Request
-
-
-#### 特技
-
-1.  使用 Readme\_XXX.md 来支持不同的语言，例如 Readme\_en.md, Readme\_zh.md
-2.  Gitee 官方博客 [blog.gitee.com](https://blog.gitee.com)
-3.  你可以 [https://gitee.com/explore](https://gitee.com/explore) 这个地址来了解 Gitee 上的优秀开源项目
-4.  [GVP](https://gitee.com/gvp) 全称是 Gitee 最有价值开源项目，是综合评定出的优秀开源项目
-5.  Gitee 官方提供的使用手册 [https://gitee.com/help](https://gitee.com/help)
-6.  Gitee 封面人物是一档用来展示 Gitee 会员风采的栏目 [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
+### Description
+* sdk with optek link,Initial versions include GAME,Wireless Subwoofer,and Classic Bluetooth.
+
+### Software Architecture
+#### OS:
+*    freertos
+#### tasks: 
+*    **app_timer_handler:**   25ms loop
+*    **taskStream_Rcv:**      recieve stream processing for spdif source
+*    **taskDec:**             deocde and dsp processing
+*    **task_bt_controller:**  controller stack of bt processing
+*    **taskBtHCI:**           host stack of bt processing
+*    **task_usbotg:**         usb stack processing
+*    **taskUi:**              key detection and Special event processing
+*    **taskKeyFunc:**         Application layer processing
+*    **taskHdd:**             file system processing
+*    **taskIdle:**            reset watchdog processing
+
+### Instructions
+
+#### optek link:
+*    enable macro:   OPTEK_LINK_ENABLE
+*    Project selection: Select one macro of the following
+        * OPL_MODE_SINGLE_WAY:     use optek link lib:optek_link_5ms.a
+        * OPL_MODE_TWO_WAY:        use optek link lib:optek_link_5ms.a
+        * OPL_MODE_SWF:            use optek link lib:optek_link_5ms_for_swf.a
+        * OPL_MODE_WIRELESS_MIC:   use optek link lib:optek_link_5ms_for_mic.a 
+
+
+### Release note
+* Please look at the SDK_ReleaseNote.txt file