diff --git a/app/models/seminar_main.rb b/app/models/seminar_main.rb
index fd41361..e50db84 100644
--- a/app/models/seminar_main.rb
+++ b/app/models/seminar_main.rb
@@ -223,6 +223,11 @@ 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 self.time_range(date1 = null, date2 = null)
 
     if !date1.blank?
diff --git a/config/routes.rb b/config/routes.rb
index d8902b3..78e33d2 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,5 +1,17 @@
 Rails.application.routes.draw do
-
+  Thread.new do
+    if Page.fields.include?('all_pageids')
+      s = Site.first
+      if s.respond_to?(:tmp_flags) && !(s.tmp_flags.include?('fix_sr'))
+        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)
+      end
+    end
+  end
   locales = Site.first.in_use_locales rescue I18n.available_locales
   
   scope "(:locale)", locale: Regexp.new(locales.join("|")) do