update app.sj and add xdf.js
update app.js and xdf.js
update layout.ejs
158 160
update app.js xdf.js main.js
Merge branch 'nldjyhl'
TypeRegistry class and test
Merge branch 'henryleu'
add ModelTestStructrue.js
Merge branch 'feivorid'
validate audio  file and img file
Merge branch 'master' of https://github.com/xdfcn/items
delete fs of app.js file
delete fomideble model
Merge branch 'liugenjie'
update ModelTestStructure.js
Merge branch 'master' of https://github.com/xdfcn/items
add enum typs using TypeRegistry
add result method
enable defaut value feature