[优化]

js/giscus.js

@@ -29,27 +29,30 @@ switch (lang) {
 }
 
 var giscus = function () {
-	const script = document.createElement("script");
-	script.type = "text/javascript";
-	script.src = "https://giscus.app/client.js";
+	if (document.getElementById("giscus-container") != null) {
+		const script = document.createElement("script");
+		script.type = "text/javascript";
+		script.src = "https://giscus.app/client.js";
 
 
-	script.setAttribute("data-repo", "PJ-568/568tools");
-	script.setAttribute("data-repo-id", "R_kgDOJer3gw");
-	script.setAttribute("data-category", "Announcements");
-	script.setAttribute("data-category-id", "DIC_kwDOJer3g84CXG0D");
+		script.setAttribute("data-repo", "PJ-568/568tools");
+		script.setAttribute("data-repo-id", "R_kgDOJer3gw");
+		script.setAttribute("data-category", "Announcements");
+		script.setAttribute("data-category-id", "DIC_kwDOJer3g84CXG0D");
 
-	script.setAttribute("data-mapping", "title");
-	script.setAttribute("data-strict", "1");
-	script.setAttribute("data-reactions-enabled", "1");
-	script.setAttribute("data-emit-metadata", "0");
-	script.setAttribute("data-input-position", "top");
-	script.setAttribute("data-theme", "https://tools.pj568.eu.org/css/568_comment.css");
-	script.setAttribute("data-lang", giscus_lang);
+		script.setAttribute("data-mapping", "title");
+		script.setAttribute("data-strict", "1");
+		script.setAttribute("data-reactions-enabled", "1");
+		script.setAttribute("data-emit-metadata", "0");
+		script.setAttribute("data-input-position", "top");
+		script.setAttribute("data-theme", "https://tools.pj568.eu.org/css/568_comment.css");
+		script.setAttribute("data-lang", giscus_lang);
 
-	script.crossOrigin = "anonymous";
-	script.async = true;
-	document.getElementById("giscus-container").appendChild(script);
+		script.crossOrigin = "anonymous";
+		script.async = true;
+
+		document.getElementById("giscus-container").appendChild(script);
+	}
 };
 
 window.addEventListener('load', giscus);