diff --git a/app/models/design/layout.rb b/app/models/design/layout.rb
index dae1c43b0..e27ca0bbc 100644
--- a/app/models/design/layout.rb
+++ b/app/models/design/layout.rb
@@ -12,7 +12,7 @@ class Layout < DesignFile
   after_save :parse_layout
 
   def content
-    self.file.read.force_encoding("UTF-8")
+    self.file.read.force_encoding("UTF-8") rescue ''
   end
 
   def self.exist_one?
diff --git a/app/models/purchase/purchase.rb b/app/models/purchase/purchase.rb
index 760724a27..cc52c2d50 100644
--- a/app/models/purchase/purchase.rb
+++ b/app/models/purchase/purchase.rb
@@ -6,6 +6,6 @@ class Purchase
   field :title
   field :author
   field :intro
-  field :downloaded
+  field :downloaded, :type => Boolean
 
 end
diff --git a/app/views/admin/pages/_form.html.erb b/app/views/admin/pages/_form.html.erb
index 19e7c1a64..845e4d378 100644
--- a/app/views/admin/pages/_form.html.erb
+++ b/app/views/admin/pages/_form.html.erb
@@ -25,7 +25,7 @@
 <p>
 	<%= t('admin.theme') %>
 	<% if @design %>
-		<%= f.select :theme_id, @design.themes.collect { |t| [t.name.capitalize, t.id] }%>
+		<%= f.select :theme_id, @design.themes.collect { |t| [t.name.capitalize, t.id] }, :include_blank => true %>
 	<% else %>
 		<%= f.select :theme_id, @default_design.themes.collect { |t| [t.name.capitalize, t.id] }, :include_blank => true %>
 	<% end %>
diff --git a/lib/parser.rb b/lib/parser.rb
index 3eddbdca8..51e3e2730 100644
--- a/lib/parser.rb
+++ b/lib/parser.rb
@@ -113,7 +113,7 @@ module Parser
   
   def parse_page(page)
     if page._type == 'Page'
-      layout_content = page.design.layout.content.force_encoding('UTF-8')
+      layout_content = page.design.layout.content.force_encoding('UTF-8') rescue ''
       context = parser_context(page)
       parser = Radius::Parser.new(context, :tag_prefix => 'r')
       parser.parse(parser.parse(layout_content))
@@ -122,7 +122,7 @@ module Parser
   
   def parse_page_edit(page)
     if page._type == 'Page'
-      layout_content = page.design.layout.content.force_encoding('UTF-8')
+      layout_content = page.design.layout.content.force_encoding('UTF-8') rescue ''
       context = parser_context_edit(page)
       parser = Radius::Parser.new(context, :tag_prefix => 'r')
       parser.parse(parser.parse(layout_content))
@@ -175,8 +175,8 @@ module Parser
       end
       c.define_tag 'stylesheets' do |tag|
         res = ''
-        res << "<link href='#{page.design.reset_css.file.url}' rel='stylesheet' type='text/css' />"
-        res << "<link href='#{page.design.default_css.file.url}' rel='stylesheet' type='text/css' />"
+        res << "<link href='#{page.design.reset_css.file.url}' rel='stylesheet' type='text/css' />" if page.design.reset_css
+        res << "<link href='#{page.design.default_css.file.url}' rel='stylesheet' type='text/css' />" if page.design.default_css
         theme = page.design.themes.detect{ |d| d.id == page.theme_id  }
         res << "<link href='#{theme.file.url}' rel='stylesheet' type='text/css' />" if theme
         res
diff --git a/lib/tasks/dev.rake b/lib/tasks/dev.rake
index 36b6952a8..0ccb41771 100644
--- a/lib/tasks/dev.rake
+++ b/lib/tasks/dev.rake
@@ -81,9 +81,9 @@ namespace :dev do
     design.build_layout
     design.layout.file = File.open("#{Rails.root}/lib/fraisier/layout.html")
     
-    design.layout
-    theme
-    theme_1
+    design.layout.save
+    theme.save
+    theme_1.save
     # image.save
     # js.save
     
@@ -105,9 +105,9 @@ namespace :dev do
     design_1.build_layout
     design_1.layout.file = File.open("#{Rails.root}/lib/fraisier/layout.html")
     
-    design_1.layout
-    theme
-    theme_1
+    design_1.layout.save
+    theme.save
+    theme_1.save
     # image.save
     # js.save