diff --git a/app/controllers/admin/sites_controller.rb b/app/controllers/admin/sites_controller.rb
index 38da321..87175db 100644
--- a/app/controllers/admin/sites_controller.rb
+++ b/app/controllers/admin/sites_controller.rb
@@ -105,7 +105,8 @@ class Admin::SitesController < OrbitAdminController
         result = "failed"
       else
         result = "success"
-       Bundler.with_clean_env { `cd #{Rails.root} && bundle update` }
+       # Bundler.with_clean_env { `cd #{Rails.root} && bundle update` }
+       Bundler.with_clean_env { `cd #{Rails.root} && BUNDLE_GEMFILE=built_in_extensions.rb bundle update && bundle` }
       end
 
       render :text => result
@@ -115,7 +116,7 @@ class Admin::SitesController < OrbitAdminController
   end
 
   def bundle_install
-    Bundler.with_clean_env { `cd #{Rails.root} && bundle update` }
+    Bundler.with_clean_env { `cd #{Rails.root} && BUNDLE_GEMFILE=built_in_extensions.rb bundle update && bundle` }
     %x(kill -s USR2 `cat tmp/pids/unicorn.pid`)
     sleep 5
     render :nothing => true
diff --git a/app/views/admin/members/show.html.erb b/app/views/admin/members/show.html.erb
index 91dbb5f..473f796 100644
--- a/app/views/admin/members/show.html.erb
+++ b/app/views/admin/members/show.html.erb
@@ -29,7 +29,7 @@
             </div>
           </div>
 
-
+          <% if !@plugin_shows.blank? %>
           <div id="member-module">
               <div id="module-navbar">
                   <div class="navbar">
@@ -65,7 +65,7 @@
                     </div>
                 </div>
             </div>
-
+            <% end %>
         </div>
 
 
diff --git a/config/environment.rb b/config/environment.rb
index 8cb62bd..a176bdd 100644
--- a/config/environment.rb
+++ b/config/environment.rb
@@ -4,7 +4,7 @@ require File.expand_path('../application', __FILE__)
 # Initialize the Rails application.
 Orbit::Application.initialize!
 Orbit::Application.config.secret_key_base = 'acc6ffc5a7d360c9cf2a7bdb4ddf9a897942ec6767413a5c0324a0fa8b86197a96298288a66bd46d8770d8b6edf509aad65716961c2c364ce006b475e6cfd418'
-
+OrbitApp.cleanup_modules
 
 if Site.count == 0
   site = Site.new
diff --git a/lib/orbit_app/register_module.rb b/lib/orbit_app/register_module.rb
index 3d40222..44797d7 100644
--- a/lib/orbit_app/register_module.rb
+++ b/lib/orbit_app/register_module.rb
@@ -10,5 +10,15 @@ module OrbitApp
       	Widget::Registration.new(name,&block)
       end
     end
+
+    def cleanup_modules
+      module_apps = ModuleApp.all
+      module_apps.each do |ma|
+        reg = OrbitApp::Module::Registration.find_by_key(ma.key) rescue nil
+        if reg.nil?
+          ma.destroy
+        end
+      end
+    end
   end
 end
\ No newline at end of file
diff --git a/lib/orbit_tag/taggable.rb b/lib/orbit_tag/taggable.rb
index 35fe20c..cc45fea 100644
--- a/lib/orbit_tag/taggable.rb
+++ b/lib/orbit_tag/taggable.rb
@@ -10,29 +10,22 @@ module OrbitTag
     module ClassMethods
       def with_tags(tags=[])
         tags = [tags].flatten.uniq
-        result = []
         if tags.blank?
           self.all
         else
-          self.all.each do |taggable|
-            result << taggable if (taggable.taggings.map{|t| t.tag.id.to_s } & tags).size > 0
-          end
-          self.where(:id.in=>result.map{|taggable| taggable.id})
+          taggings = Tagging.where(:tag_id.in=>tags).map{|item| item.taggable_id}
+          self.where(:id.in=>taggings)
         end
       end
 
       def filter_by_tags(tags=[])
         tags = OrbitHelper.page_tags if tags.blank?
         tags = [tags].flatten.uniq
-        result = []
-
         if tags.blank? or (tags.include?("all") rescue false)
           self.all
         else
-          self.all.each do |taggable|
-            result << taggable if (taggable.taggings.map{|t| t.tag.id.to_s } & tags).size > 0
-          end
-          self.where(:id.in=>result.map{|taggable| taggable.id})
+          taggings = Tagging.where(:tag_id.in=>tags).map{|item| item.taggable_id}
+          self.where(:id.in=>taggings)
         end
       end