old_contents: # jieba app
  import falcon
  import seg
  import tag
  
  api = application = falcon.API()
  seg = seg.Resource()
  api.add_route('/jieba', seg)
  tag = tag.Resource()
  api.add_route('/jieba/tag', tag)
  
  
new_contents: # jieba app
  import falcon
  import seg
  import tag
  api = application = falcon.API()
  api.req_options.auto_parse_form_urlencoded = True
  seg = seg.Resource()
  api.add_route('/jieba', seg)
  tag = tag.Resource()
  api.add_route('/jieba/tag', tag)
  
  
subject: update app.py for falcon update