diff --git a/public/stylesheets/weui/weixin.css b/public/stylesheets/weui/weixin.css
index 58b4a244e..c67cd2a75 100644
--- a/public/stylesheets/weui/weixin.css
+++ b/public/stylesheets/weui/weixin.css
@@ -241,5 +241,5 @@ a.underline {text-decoration:underline;}
 
 
 /*20160729项目说明*/
-.project-intro {line-height:2;}
+.project-intro {line-height:2; width:140px; margin-left:auto; margin-right:auto;}
 .project-intro li {list-style:disc; margin-left:20px;}
\ No newline at end of file