s_shunt']");
			selects.forEach(function (select, index) {
				if (select.value === "chinadns-ng") {
					addLogLink(select);
				}
				select.addEventListener("change", function () {
					var existingLogLink = select.parentElement.querySelector("a.log-link");
					if (existingLogLink) {
						existingLogLink.remove();
					}
					if (select.value === "chinadns-ng") {
						addLogLink(select);
					}
				});
			});
			function addLogLink(select) {
				var logLink = document.createElement("a");
				logLink.i