page = doc[1]
content = page.select('Content')
page.name = 'Home'
page.url = 'index.html'
content = page.select('Content')
box = content.newBanner()
box = content.newIntroduction()
This issue...
section = content.newSection()
box = section.newMain()
AAAA
box = section.newSide()
BBB