diff --git a/components/cascader/index.jsx b/components/cascader/index.jsx
index b89183f4f4..670a382ada 100644
--- a/components/cascader/index.jsx
+++ b/components/cascader/index.jsx
@@ -22,7 +22,7 @@ class AntCascader extends React.Component {
   }
   componentWillReceiveProps(nextProps) {
     if ('value' in nextProps) {
-      this.setState({ value: nextProps.value });
+      this.setState({ value: nextProps.value || [] });
     }
   }
   handleChange(value, selectedOptions) {
diff --git a/package.json b/package.json
index cdd9aac05f..29f2a38c17 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "antd",
-  "version": "0.12.0-beta4",
+  "version": "0.12.0-beta5",
   "title": "Ant Design",
   "description": "一个 UI 设计语言",
   "homepage": "http://ant.design/",