Django表单不显示姓名和电子邮件字段

from django import forms

class MyForm(forms.Form):
    name = forms.CharField(label='姓名')
    email = forms.EmailField(label='电子邮件')

from django.shortcuts import render
from .forms import MyForm

def my_view(request):
    form = MyForm()
    return render(request, 'my_template.html', {'form': form})

<form method="post">
    {% csrf_token %}
    {{ form.as_p }}
    <button type="submit">提交</button>
</form>