text: from django.db import models
  from django.contrib.auth.models import AbstractUser
  
  # Create your models here.
  
  class User(AbstractUser):
      """用户模型类"""
      mobile = models.CharField(max_length=11, unique=True, verbose_name='手机号')
  
      class Meta:
          db_table = 'tb_users'  # 指定数据库表名称
          verbose_name = '用户'  # 指定admin后台站点名称
          verbose_name_plural = verbose_name