Merge pull request #104 from hanxu317317/develop

docs(add development Environment):

README-en.md

@@ -12,6 +12,12 @@ Android download URL:
 Iphone download URL:
 No
 
+## Development Environment
+This Project need latest package, please update regularly.
+
+- dart(version: 2.0.0)
+- flutter(version: v1.1.10)
+
 ### Background
 
 #### What is Flutter?

README.md

@@ -22,6 +22,13 @@ android下载地址:
 iphone下载地址:
 暂无
 
+## 基础环境
+本项目环境持续更新. 请定期更新各依赖包.
+
+- dart(version: 2.0.0)
+- flutter(version: v1.1.10)
+
+
 ### 背景
 
 #### Flutter 是什么?