diff --git a/lib/tasks/office.rake b/lib/tasks/office.rake
index 770379b1a..3e4c0a286 100644
--- a/lib/tasks/office.rake
+++ b/lib/tasks/office.rake
@@ -1,23 +1,19 @@
 namespace :office do
   desc "conver any files to html"
   task :conver => :environment do
+    all_count = Attachment.count
+    i = 0
     Attachment.find_each do |a|
-      convered_file = File.join(Rails.root, "files", "convered_office", a.disk_filename + ".html")
-      unless File.exist?(convered_file)
-        if File.exist? a.diskfile
-          if %w(doc docx ppt pptx xls xlsx pdf).any?{|word| a.diskfile.downcase.end_with?(word)}
-            begin
-              req = RestClient.post 'http://192.168.80.107/Any2HtmlHandler.ashx', :txtDes => File.new(a.diskfile, 'rb')
-              File.new(convered_file, "ab+") do |f|
-                f.write(req.body)
-              end
-            rescue =>e 
-              puts e.message
-            end
-          end
-        else
-          puts "can't find file #{a.diskfile}"
-        end
+      i += 1
+      puts "process [#{i}/#{all_count}] => id #{a.id}"
+      saved_path = File.join(Rails.root, "files", "convered_office")
+      unless Dir.exist?(saved_path)
+        Dir.mkdir(saved_path)
+      end
+      convered_file = File.join(saved_path, a.disk_filename + ".html")
+      office = Trustie::Utils::Office.new(a.diskfile)
+      if office.conver(convered_file)
+        puts "process ok: #{convered_file} "
       end
     end
   end
diff --git a/lib/trustie/utils/office.rb b/lib/trustie/utils/office.rb
new file mode 100644
index 000000000..3d58bb047
--- /dev/null
+++ b/lib/trustie/utils/office.rb
@@ -0,0 +1,42 @@
+module Trustie
+  module Utils
+    class Office
+
+      def initialize(file)
+        @file = file
+      end
+
+      def office?
+        %w(doc docx ppt pptx xls xlsx pdf).any?{|word| @file.downcase.end_with?(word)}
+      end
+
+      def conver(saved_file, force=false)
+        if force || !File.exist?(saved_file)
+          if File.exist? @file
+            if office?
+              begin
+                resource = RestClient::Resource.new(
+                 'http://192.168.80.107/Any2HtmlHandler.ashx',
+                  :timeout => -1,
+                  :open_timeout => -1
+                )
+                req = resource.post :txtDes => File.new(@file, 'rb')
+                File.new(saved_file, "ab+") do |f|
+                  f.write(req.body)
+                end
+                return true
+              rescue =>e
+                puts e.message
+              end
+            end
+          else
+            puts "can't find file #{@file}"
+          end
+        end
+        false
+      end
+
+    end
+  end
+end
+