release: changed version to 0.7. (#477)


diff --git a/README.md b/README.md
index 97a8d03..27b3409 100644
--- a/README.md
+++ b/README.md
@@ -91,7 +91,7 @@
 sudo yum install -y openresty etcd
 sudo service etcd start
 
-sudo yum install -y https://github.com/iresty/apisix/releases/download/v0.6/apisix-0.6-0.el7.noarch.rpm
+sudo yum install -y https://github.com/iresty/apisix/releases/download/v0.7/apisix-0.7-0.el7.noarch.rpm
 ```
 
 You can try APISIX with the [**Quickstart**](#quickstart) now.
diff --git a/README_CN.md b/README_CN.md
index 12b8f7a..1116f56 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -87,7 +87,7 @@
 sudo yum install -y openresty etcd
 sudo service etcd start
 
-sudo yum install -y https://github.com/iresty/apisix/releases/download/v0.6/apisix-0.6-0.el7.noarch.rpm
+sudo yum install -y https://github.com/iresty/apisix/releases/download/v0.7/apisix-0.7-0.el7.noarch.rpm
 ```
 
 如果安装成功,就可以参考 [**快速上手**](#快速上手) 来进行体验。如果失败,欢迎反馈给我们。
diff --git a/lua/apisix/core/version.lua b/lua/apisix/core/version.lua
index e51ef8b..a07dfeb 100644
--- a/lua/apisix/core/version.lua
+++ b/lua/apisix/core/version.lua
@@ -1,3 +1,3 @@
 return {
-    VERSION = "0.7-beta"
+    VERSION = "0.7"
 }