问Django forms.validation错误未显示

EN

class UserForm(forms.ModelForm):
    password = forms.CharField(widget=forms.PasswordInput())
    ver_password = forms.CharField(widget=forms.PasswordInput(attrs={'placeholder': ' confirm password'}))
    ver_email = forms.EmailField(widget=forms.EmailInput(attrs={'placeholder': ' confirm email'}))

    class Meta():
        model = User
        fields = ('username',
                  'password',
                  'first_name',
                  'last_name',
                  'email')

    def clean(self):
        all_clean_data = super().clean()
        clean_email = all_clean_data['email']
        clean_ver_email = all_clean_data['ver_email']
        clean_password = all_clean_data['password']
        clean_ver_password = all_clean_data['ver_password']

        if clean_email != clean_ver_email:
            raise forms.ValidationError("Emails do not match")
        if clean_password != clean_ver_password:
            raise forms.ValidationError("Passwords do not match")

        return all_clean_data

def register(request):

    registered = False
    newregister = False

    if request.method == 'POST':
        user_form = UserForm(data=request.POST)
        profile_form = UserProfileInfoForm(data=request.POST)

        if user_form.is_valid() and profile_form.is_valid():

            user = user_form.save()
            user.set_password(user.password)
            user.save(update_fields=['username','password','first_name','last_name','email'])

            profile = profile_form.save(commit=False)
            profile.user = user

            if 'profile_pic' in request.FILES:
                profile.profile_pic = request.FILES['profile_pic']

            profile.save()

            registered = True
            newregister = True
            return render(request, 'dai_members_app/login.html',
                                    {'user_form':user_form,
                                      'profile_form':profile_form,
                                      'registered':registered})
        else:
            print(user_form.errors,profile_form.errors)