Django bootstrap按钮点击后激活active

<ul class="navbar-nav mr-auto">
	<li class="nav-item">
		<a class="nav-link {% if isactive == 'home' %}active{% endif %}" href="{% url 'home' %}">Home</a>
	</li>
	<li class="nav-item">
		<a class="nav-link {% if isactive == 'about' %}active{% endif %}" href="{% url 'about' %}">About</a>
	</li>
</ul>

def home(reqeust):
	isactive = "home"
	return render(request, "home.html", {"isactive":isactive})
	
def about(reqeust):
	isactive = "about"
	return render(request, "about.html", {"isactive":isactive})