diff --git a/README.md b/README.md
index b0cdf8a..d2d468c 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,6 @@ npm install leancloud-storage@3 --save
 
 见 [Releases](https://github.com/leancloud/leanengine-node-sdk/releases)
 
-- `npm install leanengine@2 --save`
-- `npm install leanengine@1 --save`，升级说明见 [v2.0.0](https://github.com/leancloud/leanengine-node-sdk/releases/tag/v2.0.0)
+- `npm install leanengine@2 --save` 升级说明见 [v3.0.0](https://github.com/leancloud/leanengine-node-sdk/releases/tag/v3.0.0)
+- `npm install leanengine@1 --save` 升级说明见 [v2.0.0](https://github.com/leancloud/leanengine-node-sdk/releases/tag/v2.0.0)
 - `npm install leanengine@0 --save` 升级说明见 [升级到云引擎 Node.js SDK 1.0](https://leancloud.cn/docs/leanengine-node-sdk-upgrade-1.html)
diff --git a/package.json b/package.json
index ab510f9..9aa71a3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "leanengine",
-  "version": "3.0.0-alpha.2",
+  "version": "3.0.0",
   "description": "LeanCloud LeanEngine Node.js SDK.",
   "repository": {
     "type": "git",