项目里程碑名称显示title

app/views/versions/show.html.erb

@@ -71,7 +71,7 @@
               <td>#<%= issue.id %></td>
               <td><a href="<%= issue_path(issue) %>" class="new_roadmap_info_title color-grey3" title="<%= issue.subject %>" target="_blank"><%= issue.subject %></a> </td>
               <td> <%= issue.tracker %> </td>
-              <td><a href="<%= issue.assigned_to_id.nil? ? "" : user_path(issue.assigned_to) %>" style="max-width: 200px" title="<%= User.find(issue.try(:assigned_to_id)).nil? ? "" : User.find(issue.try(:assigned_to_id)).show_name %>" class="new_roadmap_info_name" target="_blank">
+              <td><a href="<%= issue.assigned_to_id.nil? ? "" : user_path(issue.assigned_to) %>" style="max-width: 200px" data-tip-down="<%= User.find(issue.try(:assigned_to_id)).nil? ? "" : User.find(issue.try(:assigned_to_id)).show_name %>" class="new_roadmap_info_name" target="_blank">
                 <%= User.find(issue.try(:assigned_to_id)).nil? ? "" : User.find(issue.try(:assigned_to_id)).show_name %></a>
               </td>
               <td><%= format_time issue.updated_on %></td>