摘要：
前端页面： 1 {% extends 'base.html' %} 2 {% load static %} 3 {% load bootstrap3 %} 4 {% load i18n %} 5 {% load common_tags %} 6 7 {% block content %} 8 <di 阅读全文
摘要：
You are trying to add a non-nullable field 'address' to person without a default; we can't do that (the database needs something to populate existing 阅读全文