修正文档

README.md

@@ -6,6 +6,12 @@
 
 Usage Add this to your package's pubspec.yaml file: 
 
+Flutter >=1.17
+``` yaml
+dependencies:
+  cool_ui: "^0.5.1"
+```
+
 Flutter >=1.7
 ``` yaml
 dependencies:

pubspec.yaml

 name: cool_ui
 description: Some practical Widget for flutter,Popover,Weui,Custom Keyboard
-version: 0.5.0
+version: 0.5.1
 author: Kevin <liangkaikevin@gmail.com>
 homepage: https://github.com/Im-Kevin/cool_ui