diff --git a/README.md b/README.md
index c672e87..bebe09f 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@
 * 也可以在页面中直接加载 CDN 版本：
 
 	```html
-	<script src="https://cdn.jsdelivr.net/npm/nasa.js@0.2.0-beta.1/dist/nasa.min.js"></script>
+	<script src="https://cdn.jsdelivr.net/npm/nasa.js@0.2.0-beta.2/dist/nasa.min.js"></script>
 	```
 
 ### 文档
diff --git a/gulpfile.js b/gulpfile.js
index 996688e..a184974 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -99,7 +99,7 @@ gulp.task('readme', gulpfiles.concat({
 			{
 				plugin: 'replace',
 				config: [
-					/cdn\.jsdelivr\.net\/npm\/nasa\.js@[0-9.]+\/dist\//g,
+					/cdn\.jsdelivr\.net\/npm\/nasa\.js@[\w\-.]+\/dist\//g,
 					`cdn\.jsdelivr\.net\/npm\/nasa\.js@${version}\/dist\/`,
 				],
 			},
diff --git a/package.json b/package.json
index d2a9c28..9ac960a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nasa.js",
-  "version": "0.2.0-beta.1",
+  "version": "0.2.0-beta.2",
   "homepage": "https://github.com/NasaTeam/Nasa.js",
   "author": "cssmagic <cssmagic.cn@gmail.com>",
   "description": "Lightweight and friendly util library for DApp development on Nebulas Blockchain.",