diff --git a/app/controllers/admin/patchfiles_controller.rb b/app/controllers/admin/patchfiles_controller.rb
index 900c9d2..2091a51 100644
--- a/app/controllers/admin/patchfiles_controller.rb
+++ b/app/controllers/admin/patchfiles_controller.rb
@@ -21,7 +21,13 @@ class Admin::PatchfilesController < OrbitAdminController
   end
   def edit
 	params["filefield"]["file_show"].each do |name,status|
-		@file_to_show.file_show[name][:status] = status.to_i
+		@file_to_show.file_show[name][:status] = status.to_i rescue nil
+	end
+	if params["filefield"]["refresh_btn"] == "true"
+		@default_field = Filefield.new()
+		@file_to_show.file_show = @default_field.file_show
+		@file_to_show.save
+		redirect_to admin_patchfiles_path and return
 	end
 	params["filefield"]["sub_file_fields"].each do |name,files|
 		files.each do |index,file_and_status|
diff --git a/app/models/filefield.rb b/app/models/filefield.rb
index fabdfbd..860d5d7 100644
--- a/app/models/filefield.rb
+++ b/app/models/filefield.rb
@@ -74,6 +74,9 @@ class Filefield
 		FileUtils.cd('..')
 		@back_foler = file_name.dup #very important,don't just use '=',it will change original value when it change
 		@back_foler[-1] = "_back/."
+		if !Dir.exist?(file_name)
+			FileUtils.mkdir_p file_name
+		end
 		FileUtils.cp_r(@back_foler, file_name)
 	end
   end
@@ -82,6 +85,9 @@ class Filefield
 	if (file_name.include? "/") == false
 		FileUtils.cp(file_name , dest_file_path)
 	else
+		if !Dir.exist?(dest_file_path)
+			FileUtils.mkdir_p dest_file_path
+		end
 		FileUtils.cp_r(file_name , dest_file_path+'..')
 	end
   end
diff --git a/app/views/admin/patchfiles/index.html.erb b/app/views/admin/patchfiles/index.html.erb
index d9e9289..ba06d45 100644
--- a/app/views/admin/patchfiles/index.html.erb
+++ b/app/views/admin/patchfiles/index.html.erb
@@ -39,8 +39,10 @@
 	<%end%>
 	<%=file.submit "#{t(:updatefont)}",{:id=>"updatebtn",:onclick=>"return updatefcn()"}%>
 	<%=file.text_field :recovery_btn, {:id=>"hidden-recovery",:type => "hidden",:value=>"false"} %>
+	<%=file.text_field :refresh_btn, {:id=>"hidden-refresh",:type => "hidden",:value=>"false"} %>
 	<button id="seemessage" onclick="return seelogfcn()"><%=(I18n.locale.to_s =="zh_tw") ? "查看上次更新的logs" : "see logs of prev update "%></button>
 	<button id="recoverybtn" onclick="return recoveryfcn()"><%=(I18n.locale.to_s =="zh_tw") ? "復原到上次更新的檔案狀態" : "recovery to prev file status"%></button>
+	<button id="destroy_mongofield" onclick="return destroy_mongofield_fcn()"><%=(I18n.locale.to_s =="zh_tw") ? "刷新可更新的檔案狀態" : "refresh the status of the update files"%></button>
 <%end%>
 <a>網站目錄根路徑:<%=Dir.pwd.to_s%></a>
 <li id ="ckeditorFont" class="show_li">
@@ -217,4 +219,7 @@
 		});
 		return false;
 	};
+	function destroy_mongofield_fcn(){
+		$('#hidden-refresh').val('true');
+	};
 </script>
\ No newline at end of file