Shorten cicakamera update period

templates/plugins/cicakamera.html

@@ -12,7 +12,7 @@
 	let image = document.getElementById("image");
 	setInterval(() => {
 		image.src = "/cicakamera_img?t=" + new Date().getTime();
-	}, 1000);
+	}, 500);
 </script>
 
 {% endblock %}