Django 扩展自带的User模型,与其成一对一联系,如何提交数据

Django我扩展了User与表Usrprofile为一对一关系 加入telephone字段进行非验证登录(在登陆页面填写该字段,但不去验证)
但是我无法将telephone的值存入Userprofile中,请大神指点一下,我考虑很久都想不出来

forms

    def clean_telephone(self):
        telephone = self.cleaned_data.get('telephone')
        if len(telephone) == 11:
            result = UserProfile.objects.filter(telephone__exact=telephone)
        else:
            raise forms.ValidationError("Your phone is error")
        if len(result) > 0:
            raise forms.ValidationError("Your username already exists.")
        return telephone

views:

def register(request):

    if request.method == 'POST':
        tel=UserProfile()
        form = RegistrationForm(request.POST)
        if form.is_valid():
            username = form.cleaned_data['username']
            email = form.cleaned_data['email']
            password = form.cleaned_data['password2']
            telephone = form.cleaned_data['telephone']
            user = User.objects.create_user(username=username, password=password, email=email)
            user_profile = UserProfile(user=user)
            user_profile.save()
        return HttpResponseRedirect("/accounts/login/")
    else:
        form = RegistrationForm()
    return render(request, 'loadin/registration.html', {'form': form})

model:

from django.contrib.auth.models import User
from django.db import models


class UserProfile(models.Model):

    user = models.OneToOneField(User, on_delete=models.CASCADE, related_name='profile')
    org = models.CharField('Organization', max_length=128, blank=True)
    telephone = models.OneToOneField(User, on_delete=models.CASCADE, related_name='tele', max_length=128)
    mod_date = models.DateTimeField('Last modified', auto_now=True)

    class Meta:
        verbose_name = 'User Profile'

    def __str__(self):
        return self.user

求大神一定要指教一下,我真的不行了

https://blog.csdn.net/HH2030/article/details/80979423