修复Bug

app/views/welcome/index.html.erb

@@ -198,7 +198,7 @@ software development and software crowdsourcing.</td></tr>
   </tr>
   <tr>
     <td><% unless User.current.memberships.empty? %>
-							<%= l(:label_contribute_to, :project_count => "#{User.current.memberships.count}") %> <!-- <% for member in User.current.memberships %>
+							<%= l(:label_welcome_page_to, :project_count => "#{User.current.memberships.count}") %> <!-- <% for member in User.current.memberships %>
 							<%= link_to_project(member.project) %><%= (User.current.memberships.last == member) ? '' : '，' %>
 							<% end %>  --> <% end %></td>
   </tr>

config/locales/en.yml

@@ -1228,3 +1228,4 @@ en:
   label_repository_path: path of repository
   label_repository_new_repos: create a new repository
   label_repository_no: have no repository?
+  label_welcome_page_to: Participate %{project_count} projects！

config/locales/zh.yml

@@ -1243,3 +1243,4 @@ zh:
   label_join: 加入Trustie！
   label_board_description: 七嘴八舌，汇聚众人智慧，为您排忧解难！
   label_create_course_description: 课程小社区，创建新课程，让我们共同分享多到想不到的公共资源！
+  label_welcome_page_to: 参与了 %{project_count} 个项目！