old_contents: #!/usr/bin/env python
  # coding: utf-8
  
  from table import Table, Column
  
  
  class PersonTable(Table):
      id = Column(index=True, title=u'序号')
      name = Column(attr='name', title=u'姓名')
  
new_contents: #!/usr/bin/env python
  # coding: utf-8
  
  from table import Table, Column
  
  
  class PersonTable(Table):
      id = Column(index=True, title=u'序号', width='50%')
      name = Column(field='name', title=u'姓名', width='50%')
  
subject: update example