diff --git a/app/models/attachment.rb b/app/models/attachment.rb
index 7ac7d786d..1e477ed04 100644
--- a/app/models/attachment.rb
+++ b/app/models/attachment.rb
@@ -72,7 +72,7 @@ class Attachment < ActiveRecord::Base
   @@thumbnails_storage_path = File.join(Rails.root, "tmp", "thumbnails")
 
   before_save :files_to_final_location
-  after_create :be_user_score ,:act_as_forge_activity# user_score
+  after_create :office_conver, :be_user_score ,:act_as_forge_activity# user_score
   after_update :be_user_score
   after_destroy :delete_from_disk,:down_user_score
 
@@ -258,6 +258,15 @@ class Attachment < ActiveRecord::Base
     filename
   end
 
+  def office_conver
+    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, self.disk_filename + ".html")
+    OfficeConverTask.new.conver(self.diskfile, convered_file)
+  end
+
   # Copies the temporary file to its final location
   # and computes its MD5 hash
   def files_to_final_location
diff --git a/app/tasks/office_conver_task.rb b/app/tasks/office_conver_task.rb
new file mode 100644
index 000000000..da950bf2e
--- /dev/null
+++ b/app/tasks/office_conver_task.rb
@@ -0,0 +1,12 @@
+#coding=utf-8
+#
+class OfficeConverTask
+  def conver(source_file, saved_file)
+    office = Trustie::Utils::Office.new(source_file)
+    if office.conver(saved_file)
+      Rails.logger.info "process ok: #{saved_file} "
+    end
+  end
+  handle_asynchronously :conver,:queue => 'office_conver'
+end
+