diff --git a/argontheme.js b/argontheme.js
index 5e46a43..d9cc864 100644
--- a/argontheme.js
+++ b/argontheme.js
@@ -683,7 +683,20 @@ if (argonConfig.waterflow_columns != "1") {
 
 /*浮动按钮栏相关 (回顶等)*/
 !function(){
+	// 确保 DOM 和 jQuery 已加载
+	if (typeof jQuery === 'undefined') {
+		console.warn('jQuery not loaded, retrying...');
+		setTimeout(arguments.callee, 50);
+		return;
+	}
+	
 	let $fabtns = $('#float_action_buttons');
+	if ($fabtns.length === 0) {
+		console.warn('Float action buttons not found, retrying...');
+		setTimeout(arguments.callee, 50);
+		return;
+	}
+	
 	let $backToTopBtn = $('#fabtn_back_to_top');
 	let $toggleSidesBtn = $('#fabtn_toggle_sides');
 	let $toggleDarkmode = $('#fabtn_toggle_darkmode');
diff --git a/style.css b/style.css
index e072f16..dad1a88 100644
--- a/style.css
+++ b/style.css
@@ -3154,11 +3154,9 @@ html.is-home.banner-as-cover #float_action_buttons.hidden {
 }
 
 .fabtns-unloaded {
-
 	opacity: 0;
-
 	pointer-events: none;
-
+	transition: opacity var(--animation-normal) var(--ease-standard);
 }
 
 .fabtn {