diff --git a/app/views/boards/_project_show.html.erb b/app/views/boards/_project_show.html.erb
index aff39b0f3..e93690e73 100644
--- a/app/views/boards/_project_show.html.erb
+++ b/app/views/boards/_project_show.html.erb
@@ -37,14 +37,14 @@
             <div class="talkmain_txt fl mt5">
                <% author = topic.author.to_s + "：" %>
               <%= link_to author, user_path(topic.author), :class =>"talkmain_name fl " %>
-              <p  class="talkmain_tit fl fb">&nbsp;&nbsp;<%=  h(topic.subject) %></p>
+              <p  class="talkmain_tit fl fb break_word">&nbsp;&nbsp;<%=  h(topic.subject) %></p>
                 	<% if topic.sticky? %>
                 		<a href="javascript:void(0)" class="talk_up fr c_red"><%= l(:label_board_sticky)%></a>
                 	<% end %>
 
               <div class="cl"></div>
 
-               <p  id="contentmessage<%=topic.id %>" class="project_board_content">
+               <p  id="contentmessage<%=topic.id %>" class="project_board_content break_word">
                  <%= topic.content %>
                </p>     <p>
                 <label id="expend_more_information<%= topic.id%>"  onclick="show_more_reply('#contentmessage<%=topic.id %>','#expend_more_information<%= topic.id%>','#arrow<%=topic.id%>');"  value="show_more">[展开]</label>
@@ -95,7 +95,7 @@
                           <div class="Msg_txt">
                             <%= link_to_user_header message.author,false,:class => 'fl c_orange ' %>
                             <br/>
-                            <p class="fl"><%= textAreailizable message,:content,:attachments => message.attachments %></p>
+                            <p class="fl break_word"><%= textAreailizable message,:content,:attachments => message.attachments %></p>
 
                             <br/>
                             <span class=" c_grey fl"><%= format_time(message.created_on) %></span>
@@ -124,7 +124,7 @@
                     <div class="Msg_txt">
                       <%= link_to_user_header message.author,false,:class => 'fl c_orange ' %>
                     <br/>
-                      <p class="fl"><%= textAreailizable message,:content,:attachments => message.attachments %></p>
+                      <p class="fl break_word"><%= textAreailizable message,:content,:attachments => message.attachments %></p>
 
                     <br/>
                       <span class=" c_grey fl"><%= format_time(message.created_on) %></span>