diff --git a/app/models/seminar_main.rb b/app/models/seminar_main.rb
index d1eb37c..3332bd4 100644
--- a/app/models/seminar_main.rb
+++ b/app/models/seminar_main.rb
@@ -186,7 +186,12 @@ class SeminarMain
       end
     end
   end
-  after_initialize do
+  after_destroy do
+    Thread.new do
+      Page.where(:bind_model=>self.class.to_s,:bind_uid=>self.uid).destroy
+    end
+  end
+  def migrate_old
     unless self.new_record? || @triggered_initialize
       @triggered_initialize = true
       save_flag = false
@@ -234,11 +239,6 @@ class SeminarMain
       self.save(:validate=>false) if save_flag
     end
   end
-  after_destroy do
-    Thread.new do
-      Page.where(:bind_model=>self.class.to_s,:bind_uid=>self.uid).destroy
-    end
-  end
   def get_frontend_url(tmp_seminar_url, call_action=nil)
     @enable_custom_template = self.enable_custom_template
     if call_action.nil?
@@ -494,16 +494,17 @@ class SeminarMain
           approve_append = nil
           relations_fields.each do |k|
             belongs_to_class = clone_target.relations[k].class_name.constantize.relations.select{|k,v| v.macro == :belongs_to}.keys
-            has_many_class = clone_target.relations[k].class_name.constantize.relations.select{|k,v| v.macro == :has_many}.keys
+            has_many_class = clone_target.relations[k].class_name.constantize.relations.select{|k,v| v.macro.to_s.start_with?('has') }.keys
             if (belongs_to_class - tmp_singularize_relations_fields).count == 0
               other_has_many_class = (has_many_class - unsort_relation_keys)
               if other_has_many_class.count == 0
                 tmp_relations_fields << k
               else
+                org_k = k.to_s
                 result = other_has_many_class.map do |k| 
                   belongs_to_class = k.classify.constantize.relations.select{|kk,v| v.macro == :belongs_to}.keys
-                  has_many_class = k.classify.constantize.relations.select{|kk,v| v.macro == :has_many}.keys
-                  if (belongs_to_class - tmp_singularize_relations_fields).count == 0
+                  has_many_class = k.classify.constantize.relations.select{|kk,v| v.macro.to_s.start_with?('has') }.keys
+                  if (belongs_to_class - tmp_singularize_relations_fields - [org_k]).count == 0
                     true
                   else
                     fields_to_delete = fields_to_delete.concat(belongs_to_class)
@@ -546,7 +547,7 @@ class SeminarMain
         no_dup_flag = false
         if clone_target.relations[f].macro == :belongs_to || clone_target.relations[f].macro == :has_one
           no_dup_flag = new_object.send(f).present?
-        elsif clone_target.relations[f].macro == :has_many
+        elsif clone_target.relations[f].macro == :has_many || clone_target.relations[f].macro == :has_and_belongs_to_many
           no_dup_flag = new_object.send(f).to_a.count != 0
         elsif clone_target.relations[f].macro == :embeds_many #Fix localize fields
           if new_object.send(f).to_a.count != 0
@@ -597,7 +598,7 @@ class SeminarMain
             end
           end
           new_object.send("#{f}=",clone_relation)
-        elsif clone_target.relations[f].macro == :has_many
+        elsif clone_target.relations[f].macro == :has_many || clone_target.relations[f].macro == :has_and_belongs_to_many
           next if self.except_clone_relations.to_s.include?(f)
           clone_relations = []
           need_clone_relations = clone_target.send(f).asc(:_id).to_a
diff --git a/app/views/admin/seminars/_form.html.erb b/app/views/admin/seminars/_form.html.erb
index e0c6ecb..2e03105 100644
--- a/app/views/admin/seminars/_form.html.erb
+++ b/app/views/admin/seminars/_form.html.erb
@@ -337,8 +337,8 @@
                   <%= t('seminar.disable') %>
                 </td>
                 <td>
-                  <input type="hidden" class="field_set" name='<%= "seminar_main[seminar_email_sets][#{index1}][disabled]" %>' value="false">
-                  <%= check_box_tag("seminar_main[seminar_email_sets][#{index1}][disabled]", true ,@email_set[index1].disabled) %>
+                  <input type="hidden" class="field_set" name='<%= "seminar_main[seminar_email_sets_attributes][#{index1}][disabled]" %>' value="false">
+                  <%= check_box_tag("seminar_main[seminar_email_sets_attributes][#{index1}][disabled]", true ,@email_set[index1].disabled) %>
                 </td>
               </tr>
               <tr>
@@ -346,7 +346,7 @@
                   <%= t('seminar.email_title') %>
                 </td>
                 <td>
-                  <%= show_set_field(@email_set[index1],'seminar_email_sets',index1,'title','text_field') %>
+                  <%= show_set_field(@email_set[index1],'seminar_email_sets_attributes',index1,'title','text_field') %>
                 </td>
               </tr>
               <tr>
@@ -355,7 +355,7 @@
                 </td>
                 <td>
                   <div class="form-group">
-                    <%= show_set_field(@email_set[index1],'seminar_email_sets',index1,'content','text_area') %>
+                    <%= show_set_field(@email_set[index1],'seminar_email_sets_attributes',index1,'content','text_area') %>
                   </div>
                 </td>
               </tr>
diff --git a/config/routes.rb b/config/routes.rb
index e8581ab..576d277 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -9,22 +9,27 @@ Rails.application.routes.draw do
       update_flag = s.respond_to?(:tmp_flags)
       need_update1 = update_flag && !(s.tmp_flags.include?('fix_sr'))
       need_update2 = !update_flag || !(s.tmp_flags.include?('smer1'))
+      need_update3 = !update_flag || !(s.tmp_flags.include?('smer2'))
       if need_update1
         Page.where(:bind_model=>"SeminarMain",:all_pageids=>nil).each do |p|
           p.save
         end
-        tmp_flags = s.tmp_flags
-        tmp_flags << 'fix_sr'
-        Site.update_all(:tmp_flags => tmp_flags)
+        Site.update_all("$push"=>{"tmp_flags"=>'fix_sr'})
       end
       if need_update2
         SeminarMain.where(:enable_recaptcha=>nil).each do |seminar_main|
           seminar_main.update_enable_recaptcha
         end
         if update_flag
-          s = Site.first
-          s.tmp_flags << 'smer1'
-          s.save
+          Site.update_all("$push"=>{"tmp_flags"=>'smer1'})
+        end
+      end
+      if need_update3
+        SeminarMain.all.to_a.each do |seminar_main|
+          seminar_main.migrate_old
+        end
+        if update_flag
+          Site.update_all("$push"=>{"tmp_flags"=>'smer2'})
         end
       end
     end