course网站中未选学校，有登陆用户，且登陆用户已填学校时添加链接

app/views/welcome/course.html.erb

@@ -30,10 +30,10 @@
 					<% if params[:school_id] == "0" %>
 					<% else %>
 						<% if params[:school_id].nil? %>
-							<%= School.find(User.current.user_extensions.school.id).name %>
+							<%= link_to School.find(User.current.user_extensions.school.id).name, options={:action => 'course',:school_id => User.current.user_extensions.school.id}, html_options={:class => 'font_welcome_school',:method => 'get'}%>
 							<br />
 						<% else %>
-							<%= link_to School.find(params[:school_id]).name,options={:action => 'course',:school_id => params[:school_id]}, html_options={:class => 'font_welcome_school',:method => 'get'}%>
+							<%= link_to School.find(params[:school_id]).name ,options={:action => 'course',:school_id => params[:school_id]}, html_options={:class => 'font_welcome_school',:method => 'get'}%>
 							<br />
 						<% end %>
 					<% end %>