diff --git a/argontheme.js b/argontheme.js
index 513ba57..1a5684c 100644
--- a/argontheme.js
+++ b/argontheme.js
@@ -2312,7 +2312,7 @@ function lazyloadInit() {
 	}
 	
 	// 检查是否启用懒加载
-	if (argonConfig.lazyload === false) {
+	if (argonConfig.lazyload === false || argonConfig.lazyload === 'false') {
 		// 未启用懒加载时，直接加载所有图片
 		let images = document.querySelectorAll('img.lazyload[data-src]');
 		images.forEach(function(img) {
@@ -2328,7 +2328,9 @@ function lazyloadInit() {
 	}
 	
 	let images = document.querySelectorAll('img.lazyload[data-src]');
-	if (images.length === 0) return;
+	if (images.length === 0) {
+		return;
+	}
 	
 	let effect = argonConfig.lazyload_effect || 'fadeIn';
 	let threshold = parseInt(argonConfig.lazyload_threshold) || 800;
@@ -2413,7 +2415,14 @@ function loadImage(img, effect) {
 	};
 	tempImg.src = src;
 }
-lazyloadInit();
+
+// 确保 DOM 加载完成后再初始化懒加载
+if (document.readyState === 'loading') {
+	document.addEventListener('DOMContentLoaded', lazyloadInit);
+} else {
+	// DOM 已经加载完成，立即初始化
+	lazyloadInit();
+}
 
 /*Pangu.js*/
 function panguInit(){
diff --git a/header.php b/header.php
index 683bf03..fc73caa 100644
--- a/header.php
+++ b/header.php
@@ -459,7 +459,7 @@
 			pangu: "<?php echo get_option('argon_enable_pangu', 'false'); ?>",
 
 			// 懒加载配置
-			lazyload: <?php echo (get_option('argon_enable_lazyload') !== 'false' ? 'true' : 'false'); ?>,
+			lazyload: <?php echo (get_option('argon_enable_lazyload', 'true') == 'false' ? 'false' : 'true'); ?>,
 			lazyload_effect: "<?php echo get_option('argon_lazyload_effect', 'fadeIn'); ?>",
 			lazyload_threshold: <?php echo (get_option('argon_lazyload_threshold') == '' ? '800' : get_option('argon_lazyload_threshold')); ?>,