diff --git a/README.md b/README.md
index 8274bb79d7fe32099dfe28665ce2ac281a7e1134..e57685516ce9e7c5bae9c3c12a3fa734fc4eea8b 100644
--- a/README.md
+++ b/README.md
@@ -13,9 +13,13 @@ Sky Walking | [中文](https://github.com/wu-sheng/sky-walking/wiki/sky-walking-
 [![OpenTracing-1.0 Badge](https://img.shields.io/badge/OpenTracing--1.0-enabled-blue.svg)](http://opentracing.io)
 
 
-* Auto instrumentation java agent, **no need to CHANGE any application source code**. [Supported middlewares, frameworks and libraries](https://github.com/wu-sheng/sky-walking/wiki/3.0-supported-list).
-* Manual instrumentation, as an [OpenTracing supported tracer](http://opentracing.io/documentation/pages/supported-tracers) or using **@Trace** annotation.
-* Pure Java server implementation, provide RESTful and gRPC services. Compatibility with other language agents/SDKs by following sky-walking protocol.
+* Auto instrumentation java agent, **no need to CHANGE any application source code**. 
+  * [Supported middlewares, frameworks and libraries](https://github.com/wu-sheng/sky-walking/wiki/3.0-supported-list).
+* Manual instrumentation
+  * As an [OpenTracing supported tracer](http://opentracing.io/documentation/pages/supported-tracers)
+  * Use **@Trace** annotation for any methods you want to trace.
+* Pure Java server implementation, provide RESTful and gRPC services. Compatibility with other language agents/SDKs. 
+  * [How to uplink metrics and traces to collector?]()
 * The UI released on [wu-sheng/sky-walking-ui](https://github.com/wu-sheng/sky-walking-ui)
 
 
@@ -25,7 +29,7 @@ _In chronological order_
 * 张鑫 [**PMC Member**] [@ascrutae](https://github.com/ascrutae)   
 * 谭真 [@mircoteam](https://github.com/mircoteam)  Advanced R&D Engineers, Creative & Interactive Group.
 * 徐妍 [@TastySummer](https://github.com/TastySummer)
-* 彭勇升 [**PMC Member**] [@pengys5](https://github.com/pengys5)   Technical Specialist, OneAPM.
+* 彭勇升 [**PMC Member**] [@pengys5](https://github.com/pengys5) 
 * 戴文
 * 柏杨 [@bai-yang](https://github.com/bai-yang)  Senior Engineer, Alibaba Group.
 * 陈凤 [@trey03](https://github.com/trey03)