diff --git a/index.js b/index.js
index 5246cd7..f388109 100644
--- a/index.js
+++ b/index.js
@@ -3,5 +3,5 @@
 var generator = require('./lib/generator');
 
 hexo.extend.generator.register('restful', function(site) {
-    return generator(Object.assign(hexo.config, hexo.theme.config), site);
+    return generator(Object.assign({}, hexo.config, hexo.theme.config), site);
 });
diff --git a/package.json b/package.json
index 0521d22..e5f33d8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hexo-generator-restful",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Generate restful json data for Hexo plugins.",
   "main": "index.js",
   "scripts": {