diff --git a/package.json b/package.json
index 75d84303f8d3997323bee0c1b2990bb095271f65..a8614a908ee84c21b9f4e0dfc9acbe04000a421e 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
   },
   "dependencies": {
     "@antv/data-set": "^0.9.0",
+    "@babel/polyfill": "^7.0.0",
     "@babel/runtime": "^7.0.0",
     "antd": "^3.9.0",
     "bizcharts": "^3.1.10",
diff --git a/src/components/Login/LoginItem.js b/src/components/Login/LoginItem.js
index 762964c2fb041f002613e83c9a5e2ee010e647b5..a1d216a3e9fa31a70291c152c94194e8d4748c9d 100644
--- a/src/components/Login/LoginItem.js
+++ b/src/components/Login/LoginItem.js
@@ -8,6 +8,10 @@ import LoginContext from './loginContext';
 const FormItem = Form.Item;
 
 class WarpFormItem extends Component {
+  static defaultProps = {
+    buttonText: '获取验证码',
+  };
+
   constructor(props) {
     super(props);
     this.state = {
diff --git a/src/global.js b/src/global.js
new file mode 100644
index 0000000000000000000000000000000000000000..c3030bdd628038a33047a39943510259d14395a9
--- /dev/null
+++ b/src/global.js
@@ -0,0 +1 @@
+import '@babel/polyfill';