diff --git a/README.md b/README.md
index 6a81ebe..dee29c2 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 A suit of cross platform React Native ui kit.
 
+![image](https://raw.githubusercontent.com/lulutia/images/master/react-native-components/Screen-Capture-44.gif)
+
 ## Install
 
 ```bash
@@ -10,8 +12,23 @@ npm install react-native-ui-xg --save
 
 ## Usage
 
+### for the whole 
 ```js
 import {Button, DatePicker, Drawer, Grading, LabelSelect, Input, Confirm, Link, Tab} from 'react-native-ui-xg';
+```
+### for one by one
+
+```bash
+npm install react-native-datepicker --save
+npm install react-native-grading --save
+npm install react-native-label-select --save
+npm install react-native-drawer-menu --save
+npm install react-native-buttons --save
+npm install react-native-input-xg --save
+npm install react-native-confirm --save
+npm install react-native-link-xg --save
+npm install react-native-tab-xg --save
+
 ```
 
 ## Components
diff --git a/components/Tab/__tests__/Tab.test.js b/components/Tab/__tests__/Tab.test.js
index 26a5194..d82994d 100644
--- a/components/Tab/__tests__/Tab.test.js
+++ b/components/Tab/__tests__/Tab.test.js
@@ -40,7 +40,7 @@ describe('test props', () => {
     };
     function change() {
       temp = !temp;
-    };
+    }
     const itemList = [
       {
         key: 'workspace',
@@ -75,7 +75,7 @@ describe('test props', () => {
     ];
     const wrapper1 = shallow(
      <Tab
-      active='workspace'
+      active="workspace"
       itemList={itemList}
       />);
     expect(wrapper1.find(TouchableWithoutFeedback).length).toEqual(3);