remove weex-project.io (#553)

weex-project.io only 301 status
diff --git a/README.md b/README.md
index 052d7b9..8edd36f 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,6 @@
 This is the source code of Weex official website.
 
 + Official website: http://weex.apache.org/
-+ Mirror in Alibaba Cloud (faster in China): https://weex-project.io/
 
 ## Develop
 
@@ -56,4 +55,4 @@
 '/zh/blog/': [['write-a-blog', '写一篇博客'], ['your-file-name', '你的文章标题']]
 ```
 
-* Add your file(with 'md' extension) in 'docs/blog' and 'docs/zn/blog' directories.
\ No newline at end of file
+* Add your file(with 'md' extension) in 'docs/blog' and 'docs/zn/blog' directories.