diff --git a/README.md b/README.md
index f49b4950..71244fd3 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,10 @@
 ## Features
 At present, this SDK supports
 * sending message in synchronous mode
+* sending message in orderly mode
+* sending message in oneway mode
 * consuming message using push model
+* consuming message using pull model
 
 ----------
 ## How to use
diff --git a/changelog b/changelog
index 2a23ffc5..3ca5cb3f 100755
--- a/changelog
+++ b/changelog
@@ -1,3 +1,14 @@
+version 1.2.0
+ * support reliable synchronous sending of messages;
+ * support reliable orderly sending of messages;
+ * support reliable push consumption model;
+ * support default cluster consumption;
+ * support delayed messages;
+ * support reliable pull consumption model;
+ * support custom message properties;
+ * support message Compression.
+ * support oneway sending of messages.
+
 version 1.0.0 @2018.10.29
  * Initialize version of Go client.
 
diff --git a/core/version.go b/core/version.go
index 4ac86d5d..95ff0f31 100644
--- a/core/version.go
+++ b/core/version.go
@@ -16,7 +16,7 @@
  */
 package rocketmq
 
-const GoClientVersion = "Go Client V1.0.0, BuildTime:2018.10.30"
+const GoClientVersion = "Go Client V1.2.0, Support CPP Core:V1.2.X"
 
 func GetVersion() (version string) {
 	return GoClientVersion