新版块3和板块2合并，板块3取前四个

app/views/layouts/base_org2.html.erb

@@ -146,11 +146,10 @@
   <% @subfield_content.each do |field| %>
       <% if field.status.to_i == 1 %>
           <%= render :partial => 'organizations/org_subfield_leftT', :locals => {:field => field} %>
-      <% elsif field.status.to_i == 2 %>
+      <% elsif field.status.to_i == 3 %>
           <%#= render :partial => 'organizations/org_subfield_leftM', :locals => {:field => field} %>
           <div class="sn-index-leftbox" style="display:<%= field.hide == 0?'block':'none' %>;">
             <%= render :partial => 'organizations/org_subfield_leftM1', :locals => {:field => field} %>
-      <% elsif field.status.to_i == 3 %>
             <%= render :partial => 'organizations/org_subfield_leftM2', :locals => {:field => field} %>
             <div class="cl"></div>
           </div>

app/views/organizations/_org_subfield_leftM2.html.erb

@@ -5,7 +5,7 @@
         <% if @course_acts.blank? %>
             <%= render :partial => 'organizations/org_subfield_leftM2_default', :locals => {:field => field} %>
         <% else %>
-            <% @course_acts.first(4).each do |act| %>
+            <% @course_acts[1..4].each do |act| %>
                 <% if act.org_act_type == "HomeworkCommon" %>
                     <% activity = HomeworkCommon.find(act.org_act_id) %>
                     <% iamge_path = get_image_path_from_content(activity.description) %>