修正了文档的错误

README.md

@@ -7,7 +7,7 @@ Usage
 Add this to your package's pubspec.yaml file:
 ``` yaml
 dependencies:
-  cool_ui: "^0.1.8"
+  cool_ui: "^0.1.9"
 ```
 
 # 控件
@@ -22,5 +22,5 @@ dependencies:
 
 # 自定义键盘
 
-- [Get started](#自定义键盘使用方法快速入门)
-- [KeyboardController](#KeyboardController)
+- [Get started](documents/custom_keyboard.md#Step1)
+- [KeyboardController](documents/custom_keyboard.md#KeyboardController)
\ No newline at end of file

documents/custom_keyboard.md

 # 自定义键盘使用方法快速入门
 
+## 效果
+
+<img width="38%" height="38%" src="./images/custom_keyboard.gif"/>
+
 ## Step1
 编写个性化的键盘
 

pubspec.yaml

 name: cool_ui
 description: 用flutter实现一些我认为好看的UI控件,目前暂时只有Popover,Weui,Custom Keyboard，不过有什么觉得好看的可以提Issue
-version: 0.1.8
+version: 0.1.9
 author: Kevin <liangkaikevin@gmail.com>
 homepage: https://github.com/Im-Kevin/cool_ui