修改系统消息页面中，图片大小显示问题

app/views/users/user_system_messages.html.erb

@@ -43,9 +43,11 @@
             <span style="color:#0781b4; max-width:470px; display:block; overflow:hidden; white-space: nowrap; text-overflow:ellipsis;vertical-align: top;"><%= system_message.subject.nil? ? "系统消息" : system_message.subject %></span>
           </div>
           <div class="cl"></div>
-          <p class="homepagePostIntro break_word upload_img">
-            <%= system_message.content.nil? ? system_message.description.html_safe : system_message.content.html_safe %>
-          </p>
+          <div class="homepagePostIntro break_word upload_img">
+            <p>
+              <%= system_message.content.nil? ? system_message.description.html_safe : system_message.content.html_safe %>
+            </p>
+          </div>
           <div class="cl"></div>
             <p class="homepagePostDeadline">截止时间：<%= format_time(system_message.created_at) %></p>
         </div>