全角分号改为半角.

app/views/welcome/index.html.erb

@@ -131,7 +131,7 @@
 		<% find_hot_forum_topics.each do |topic|%>
 		<li class="message-brief-intro" style="min-height: 25px;">
 			<div  style="display: inline-block;">
-			  <span style="color:gray；display: inline-block;   background: url('/images/list-icon.png') no-repeat scroll ;background-position: left center;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<%= link_to topic.subject.truncate(25, omission: '...'), forum_memo_path(topic.forum_id,topic.id), :class => "gray" %></span> 
+			  <span style="color:gray; display: inline-block;   background: url('/images/list-icon.png') no-repeat scroll ;background-position: left center;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<%= link_to topic.subject.truncate(25, omission: '...'), forum_memo_path(topic.forum_id,topic.id), :class => "gray" %></span> 
 			<span style="margin-left: 20px; color: green !important; white-space: nowrap;">
 				<%= link_to topic.author, user_path(topic.author), :style => "color: green;"%>
 			</span>