const video = ['mp4', 'mov', 'avi', 'qt', 'flv', 'wmv', 'asf', 'mpeg', 'mpg', 'vob', 'mkv', 'asf', 'wmv', 'rm', 'rmvb'] const word = ['doc', 'docx'] const ppt = ['ppt', 'pptx'] const excel = ['xls', 'xlsx'] export default { video, word, ppt, excel }