I want to make sign in & up for my site with Django but it doesn't work

form.py

class SignUpForm(forms.Form):                               
name = forms.CharField(max_length=50, required=True)
email = forms.EmailField(max_length=100, required=True) 
password = forms.CharField(max_length=20, required=True)


class SignInForm(forms.Form):                                                             
email = forms.EmailField()                              
password = forms.CharField(max_length=20, min_length=8)

view.py

def Sign_Up(request):
if request.method == 'POST':
    form = SignUpForm(request)
    if form.is_valid():
        cd = form.cleaned_data
        name = cd['name']
        email = cd['email']
        password = cd['password']
        us = User.objects.all()
        us = User(name=name, email=email, password=password)
        us.save()
    return HttpResponseRedirect('/')
else:
    form = SignUpForm()
    return render(request,'User Login Page.html', {'form':form})


def Sign_In(request):
if request.method =='POST' :
    form = SignInForm(request)
    if form.is_valid():
        F = form.cleaned_data
        Eemail = F['email']
        Epassword = F['password']
        try:
            user = User.objects.filter(email=Eemail)
        except User.DoesNotExist:
            form = SignInForm()
            return render(request, "Admin Login Page.html", {'form': form})
        if User.password == Epassword:
            return HttpResponseRedirect("/")
form = SignInForm()
return render(request,"Admin Login Page.html",{'form':form})

I'm new in Django I want to make sign in & up for my site with Django but it doesn't work!
when i click on submit button my sign up directly go to address on HttpRsponseDirect even with empty parameters