fix #670 login error info

src/routes/User/Login.js

@@ -42,7 +42,7 @@ export default class LoginPage extends Component {
 
   renderMessage = (content) => {
     return (
-      <Alert style={{ marginBottom: 24 }} message={content} type="error" showIcon closable />
+      <Alert style={{ marginBottom: 24 }} message={content} type="error" showIcon />
     );
   }