diff --git a/src/components/misc/ImageWrapper.astro b/src/components/misc/ImageWrapper.astro
index 1278db3b7..825626eb7 100644
--- a/src/components/misc/ImageWrapper.astro
+++ b/src/components/misc/ImageWrapper.astro
@@ -47,40 +47,17 @@ const imageClass = "w-full h-full object-cover";
 const imageStyle = `object-position: ${position}`;
 ---
 <div id={id} class:list={[className, 'overflow-hidden relative image-wrapper']} style={`--theme-hue: ${siteConfig.themeColor.hue}`}>
-    <!-- 加载条 -->
-    <div class="loading-bar absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 w-32 h-1 bg-gray-200 dark:bg-gray-700 z-10 rounded-full overflow-hidden">
-        <div class="loading-progress h-full w-8 bg-[oklch(0.70_0.14_var(--theme-hue))] animate-loading-progress rounded-full"></div>
-    </div>
-    
-    <!-- 图片内容 -->
-    {isLocal && img && <Image src={img} alt={alt || ""} class={`${imageClass} image-content opacity-0 transition-opacity duration-500`} style={imageStyle} onload="this.style.opacity='1'; this.parentElement.querySelector('.loading-bar').style.opacity='0';"/>}
+    {isLocal && img && <Image src={img} alt={alt || ""} class={`${imageClass} image-content`} style={imageStyle}/>}
     {!isLocal && (
         imageFallbackConfig.enable && src.includes(imageFallbackConfig.originalDomain) ? 
-            <img src={isPublic ? url(src) : src} alt={alt || ""} class={`${imageClass} image-content opacity-0 transition-opacity duration-500`} style={imageStyle} onload="this.style.opacity='1'; this.parentElement.querySelector('.loading-bar').style.opacity='0';" onerror={`this.onerror=null; this.src='${(isPublic ? url(src) : src).replace(imageFallbackConfig.originalDomain, imageFallbackConfig.fallbackDomain)}';`}/> :
-            <img src={isPublic ? url(src) : src} alt={alt || ""} class={`${imageClass} image-content opacity-0 transition-opacity duration-500`} style={imageStyle} onload="this.style.opacity='1'; this.parentElement.querySelector('.loading-bar').style.opacity='0';"/>
+            <img src={isPublic ? url(src) : src} alt={alt || ""} class={`${imageClass} image-content`} style={imageStyle} onerror={`this.onerror=null; this.src='${(isPublic ? url(src) : src).replace(imageFallbackConfig.originalDomain, imageFallbackConfig.fallbackDomain)}';`}/> :
+            <img src={isPublic ? url(src) : src} alt={alt || ""} class={`${imageClass} image-content`} style={imageStyle}/>
     )}
 </div>
 
 <style>
-    .loading-bar {
-        transition: opacity 0.5s ease-out;
-    }
-    
-    @keyframes loading-progress {
-        0% {
-            transform: translateX(-100%);
-        }
-        100% {
-            transform: translateX(400%);
-        }
-    }
-    
-    .animate-loading-progress {
-        animation: loading-progress 1.5s ease-in-out infinite;
-    }
-    
     .image-content {
-        transition: transform 0.3s ease-out, opacity 0.5s ease-out;
+        transition: transform 0.3s ease-out;
     }
     
     .image-wrapper:hover .image-content {
diff --git a/src/components/widget/Profile.astro b/src/components/widget/Profile.astro
index 228ed7807..9046397b4 100644
--- a/src/components/widget/Profile.astro
+++ b/src/components/widget/Profile.astro
@@ -6,10 +6,7 @@ const config = profileConfig;
 ---
 <div class="card-base p-3 border border-black/10 dark:border-white/10">
     <div class="relative mx-auto mt-1 lg:mx-0 lg:mt-0 mb-3 max-w-[12rem] lg:max-w-none rounded-xl overflow-hidden" style={`--theme-hue: ${siteConfig.themeColor.hue}`}>
-        <div class="loading-bar absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 w-32 h-1 bg-gray-200 dark:bg-gray-700 z-10 rounded-full overflow-hidden">
-            <div class="loading-progress h-full w-8 bg-[oklch(0.70_0.14_var(--theme-hue))] animate-loading-progress rounded-full"></div>
-        </div>
-        <img src={config.avatar} alt="Profile Image of the Author" class="w-full h-full object-cover opacity-0 transition-opacity duration-500" onload="this.style.opacity='1'; this.parentElement.querySelector('.loading-bar').style.opacity='0';"/>
+        <img src={config.avatar} alt="Profile Image of the Author" class="w-full h-full object-cover transition duration-500" />
     </div>
     <div class="px-2">
         <div class="font-bold text-xl text-center mb-1 dark:text-neutral-50 transition">{config.name}</div>
@@ -52,19 +49,6 @@ const config = profileConfig;
     .loading-bar {
         transition: opacity 0.5s ease-out;
     }
-
-    @keyframes loading-progress {
-        0% {
-            transform: translateX(-100%);
-        }
-        100% {
-            transform: translateX(400%);
-        }
-    }
-
-    .animate-loading-progress {
-        animation: loading-progress 1.5s ease-in-out infinite;
-    }
 </style>
 
 <script define:vars={{ umamiConfig}}>
diff --git a/src/layouts/Layout.astro b/src/layouts/Layout.astro
index e47a7cbb3..05bec829d 100644
--- a/src/layouts/Layout.astro
+++ b/src/layouts/Layout.astro
@@ -82,7 +82,7 @@ const bannerOffset =
 ---
 
 <!DOCTYPE html>
- <html lang={siteLang} class="bg-[var(--page-bg)] transition text-[12px] md:text-[16px]"  
+    <html lang={siteLang} class="bg-[var(--page-bg)] transition text-[12px] md:text-[16px] dark"  
 	  data-overlayscrollbars-initialize>  <!-- 手机端适配 -->
 
 	<head>
@@ -136,21 +136,21 @@ const bannerOffset =
 				localStorage.setItem('theme', DARK_MODE);
 			} else {
 				// Load the theme from local storage
-				const theme = localStorage.getItem('theme') || AUTO_MODE;
-				switch (theme) {
-					case LIGHT_MODE:
-						document.documentElement.classList.remove('dark');
-						break
-					case DARK_MODE:
+			const theme = localStorage.getItem('theme') || DARK_MODE;
+			switch (theme) {
+				case LIGHT_MODE:
+					document.documentElement.classList.remove('dark');
+					break
+				case DARK_MODE:
+					document.documentElement.classList.add('dark');
+					break
+				case AUTO_MODE:
+					if (window.matchMedia('(prefers-color-scheme: dark)').matches) {
 						document.documentElement.classList.add('dark');
-						break
-					case AUTO_MODE:
-						if (window.matchMedia('(prefers-color-scheme: dark)').matches) {
-							document.documentElement.classList.add('dark');
-						} else {
-							document.documentElement.classList.remove('dark');
-						}
-				}
+					} else {
+						document.documentElement.classList.remove('dark');
+					}
+			}
 			}
 
 			// Load the hue from local storage
@@ -161,71 +161,14 @@ const bannerOffset =
 			let offset = Math.floor(window.innerHeight * (BANNER_HEIGHT_EXTEND / 100));
 			offset = offset - offset % 4;
 			document.documentElement.style.setProperty('--banner-height-extend', `${offset}px`);
-			
-			// // Background image loading detection
-			// const bgUrl = getComputedStyle(document.documentElement).getPropertyValue('--bg-url').trim();
-			// const bgEnable = getComputedStyle(document.documentElement).getPropertyValue('--bg-enable').trim();
-			
-			// if (bgUrl && bgUrl !== 'none' && bgEnable === '1') {
-			// 	const img = new Image();
-			// 	const urlMatch = bgUrl.match(/url\(["']?([^"')]+)["']?\)/);
-			// 	if (urlMatch) {
-			// 		img.onload = function() {
-			// 			// 背景图片完全加载后，显示背景并启用卡片透明效果
-			// 			document.body.classList.add('bg-loaded');
-			// 			document.documentElement.style.setProperty('--card-bg', 'var(--card-bg-transparent)');
-			// 			document.documentElement.style.setProperty('--float-panel-bg', 'var(--float-panel-bg-transparent)');
-			// 		};
-			// 		img.onerror = function() {
-			// 			// Keep cards opaque if background image fails to load
-			// 			console.warn('Background image failed to load, keeping cards opaque');
-			// 		};
-			// 		img.src = urlMatch[1];
-			// 	}
-			// }
-
-            // Random Background Image Integration
-             // This waits for the external script to define window.getRandomPicH
-             /* 
-             function setRandomBackground() {
-                 // Check if the external random pic function is available
-                 if (typeof window.getRandomPicH === 'function') {
-                      const bgUrl = window.getRandomPicH();
-                      const bgBox = document.getElementById('bg-box');
-                      if (bgBox && bgUrl) {
-                         console.log('Setting random background:', bgUrl);
-                         const img = new Image();
-                         img.onload = function() {
-                             bgBox.style.backgroundImage = `url('${bgUrl}')`;
-                             bgBox.classList.add('loaded');
-                             bgBox.classList.add('random-loaded'); // Add specific class
-                             console.log('Random background loaded successfully');
-                             
-                             // Set CSS variables for transparency effects
-                             document.documentElement.style.setProperty('--card-bg', 'var(--card-bg-transparent)');
-                             document.documentElement.style.setProperty('--float-panel-bg', 'var(--float-panel-bg-transparent)');
-                         };
-                         img.onerror = function() {
-                             console.error('Failed to load random background image:', bgUrl);
-                         };
-                         img.src = bgUrl;
-                      } else {
-                        console.warn('bgBox not found or bgUrl is empty', { bgBox, bgUrl });
-                      }
-                 } else {
-                     // Retry after a short delay if script is not yet loaded
-                     console.log('Waiting for getRandomPicH...');
-                     setTimeout(setRandomBackground, 500);
-                 }
-             }
-             // Start attempting to set background
-             if (document.readyState === 'loading') {
-                 document.addEventListener('DOMContentLoaded', setRandomBackground);
-             } else {
-                 setRandomBackground();
-             }
-             */
 		</script>
+        
+        <style define:vars={{ configHue }}>
+            /* Fallback for no-js: Apply default theme hue */
+            :root {
+                --hue: var(--configHue);
+            }
+        </style>
 		<style define:vars={{
 			configHue,
 			'page-width': `${PAGE_WIDTH}rem`,
diff --git a/src/pages/friends.astro b/src/pages/friends.astro
index 71a1d6b9c..fc8bcdc02 100644
--- a/src/pages/friends.astro
+++ b/src/pages/friends.astro
@@ -30,10 +30,7 @@ const friends = Object.values(
                 <a href={friend.url} target="_blank" class="friend-card">
                     <div class="flex items-center gap-2">
                         <div class="relative w-5 h-5 rounded overflow-hidden" style={`--theme-hue: ${siteConfig.themeColor.hue}`}>
-                            <div class="loading-bar absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 w-32 h-1 bg-gray-200 dark:bg-gray-700 z-10 rounded-full overflow-hidden">
-                                <div class="loading-progress h-full w-8 bg-[oklch(0.70_0.14_var(--theme-hue))] animate-loading-progress rounded-full"></div>
-                            </div>
-                            <img src={friend.avatar} loading="lazy" class="w-full h-full object-cover opacity-0 transition-opacity duration-500" alt={`${friend.name}的头像`} onload="this.style.opacity='1'; this.parentElement.querySelector('.loading-bar').style.opacity='0';"/>
+                            <img src={friend.avatar} loading="lazy" class="w-full h-full object-cover transition-opacity duration-500" alt={`${friend.name}的头像`} />
                         </div>
                         <div class="font-bold text-black dark:text-white">{friend.name}</div>
                     </div>
@@ -79,21 +76,4 @@ const friends = Object.values(
         transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
         transition-duration: 0.15s;
     }
-
-    .loading-bar {
-        transition: opacity 0.5s ease-out;
-    }
-
-    @keyframes loading-progress {
-        0% {
-            transform: translateX(-100%);
-        }
-        100% {
-            transform: translateX(400%);
-        }
-    }
-
-    .animate-loading-progress {
-        animation: loading-progress 1.5s ease-in-out infinite;
-    }
 </style>
diff --git a/src/pages/posts/[...slug].astro b/src/pages/posts/[...slug].astro
index 037e28c60..a766e1105 100644
--- a/src/pages/posts/[...slug].astro
+++ b/src/pages/posts/[...slug].astro
@@ -262,56 +262,9 @@ const jsonLd = {
 </style>
 
 <script define:vars={{ siteConfig }}>
-    // 图片加载动画处理
+    // 图片加载处理 (仅用于图片回退逻辑)
     function setupImageLoading() {
-        const markdownContent = document.querySelector('.markdown-content');
-        if (!markdownContent) return;
-
-        const images = markdownContent.querySelectorAll('img');
-        
-        images.forEach(img => {
-            // 跳过已经处理过的图片
-            if (img.parentElement.classList.contains('image-loading-wrapper')) return;
-
-            // 创建包裹容器
-            const wrapper = document.createElement('div');
-            wrapper.className = 'relative image-loading-wrapper rounded-xl overflow-hidden my-4';
-            wrapper.style.setProperty('--theme-hue', siteConfig.themeColor.hue);
-            
-            // 创建加载条
-            const loadingBar = document.createElement('div');
-            loadingBar.className = 'loading-bar absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 w-32 h-1 bg-gray-200 dark:bg-gray-700 z-10 rounded-full overflow-hidden';
-            loadingBar.innerHTML = `<div class="loading-progress h-full w-8 bg-[oklch(0.70_0.14_var(--theme-hue))] animate-loading-progress rounded-full"></div>`;
-            
-            // 插入DOM
-            img.parentNode.insertBefore(wrapper, img);
-            wrapper.appendChild(loadingBar);
-            wrapper.appendChild(img);
-
-            // 设置图片初始状态
-            img.style.opacity = '0';
-            img.style.transition = 'opacity 0.5s ease-out';
-            loadingBar.style.transition = 'opacity 0.5s ease-out';
-
-            // 处理加载完成
-            const handleLoad = () => {
-                img.style.opacity = '1';
-                loadingBar.style.opacity = '0';
-                setTimeout(() => {
-                    loadingBar.remove();
-                }, 500);
-            };
-
-            if (img.complete) {
-                handleLoad();
-            } else {
-                img.onload = handleLoad;
-                img.onerror = () => {
-                    loadingBar.remove();
-                    img.style.opacity = '1';
-                };
-            }
-        });
+        // 保留此函数用于将来的其他处理，或者彻底删除
     }
 
     // 初始化
@@ -376,19 +329,6 @@ const jsonLd = {
 </script>
 
 <style is:global>
-    @keyframes loading-progress {
-        0% {
-            transform: translateX(-100%);
-        }
-        100% {
-            transform: translateX(400%);
-        }
-    }
-
-    .animate-loading-progress {
-        animation: loading-progress 1.5s ease-in-out infinite;
-    }
-    
     /* 确保包裹容器继承原图的圆角等样式 */
     .markdown-content img {
         margin: 0 !important; /* 让wrapper来控制margin */
diff --git a/src/pages/sponsors.astro b/src/pages/sponsors.astro
index def3f2706..ec36dd58d 100644
--- a/src/pages/sponsors.astro
+++ b/src/pages/sponsors.astro
@@ -44,10 +44,7 @@ const sponsors = Object.values(
                 </div>
                 <div class="qr-code-placeholder">
                     <div class="relative w-48 h-48 mx-auto rounded-lg overflow-hidden" style={`--theme-hue: ${siteConfig.themeColor.hue}`}>
-                        <div class="loading-bar absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 w-32 h-1 bg-gray-200 dark:bg-gray-700 z-10 rounded-full overflow-hidden">
-                            <div class="loading-progress h-full w-8 bg-[oklch(0.70_0.14_var(--theme-hue))] animate-loading-progress rounded-full"></div>
-                        </div>
-                        <img src="/sponsors/alipay.svg" alt="支付宝二维码" class="w-full h-full object-cover opacity-0 transition-opacity duration-500" onload="this.style.opacity='1'; this.parentElement.querySelector('.loading-bar').style.opacity='0';"/>
+                        <img src="/sponsors/alipay.svg" alt="支付宝二维码" class="w-full h-full object-cover transition duration-500" />
                     </div>
                 </div>
             </div>
@@ -65,10 +62,7 @@ const sponsors = Object.values(
                 </div>
                 <div class="qr-code-placeholder">
                     <div class="relative w-48 h-48 mx-auto rounded-lg overflow-hidden" style={`--theme-hue: ${siteConfig.themeColor.hue}`}>
-                        <div class="loading-bar absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 w-32 h-1 bg-gray-200 dark:bg-gray-700 z-10 rounded-full overflow-hidden">
-                            <div class="loading-progress h-full w-8 bg-[oklch(0.70_0.14_var(--theme-hue))] animate-loading-progress rounded-full"></div>
-                        </div>
-                        <img src="/sponsors/wechat.svg" alt="微信支付二维码" class="w-full h-full object-cover opacity-0 transition-opacity duration-500" onload="this.style.opacity='1'; this.parentElement.querySelector('.loading-bar').style.opacity='0';"/>
+                        <img src="/sponsors/wechat.svg" alt="微信支付二维码" class="w-full h-full object-cover transition duration-500" />
                     </div>
                 </div>
             </div>
@@ -129,10 +123,7 @@ const sponsors = Object.values(
                             <div class="w-10 h-10 rounded-lg flex items-center justify-center overflow-hidden">
                             {sponsor.avatar ? (
                                 <div class="relative w-full h-full rounded-lg overflow-hidden" style={`--theme-hue: ${siteConfig.themeColor.hue}`}>
-                                    <div class="loading-bar absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 w-32 h-1 bg-gray-200 dark:bg-gray-700 z-10 rounded-full overflow-hidden">
-                                        <div class="loading-progress h-full w-8 bg-[oklch(0.70_0.14_var(--theme-hue))] animate-loading-progress rounded-full"></div>
-                                    </div>
-                                    <img src={sponsor.avatar} alt={`${sponsor.name}的头像`} loading="lazy" class="w-full h-full object-cover opacity-0 transition-opacity duration-500" onload="this.style.opacity='1'; this.parentElement.querySelector('.loading-bar').style.opacity='0';"/>
+                                    <img src={sponsor.avatar} alt={`${sponsor.name}的头像`} loading="lazy" class="w-full h-full object-cover transition duration-500" />
                                 </div>
                             ) : (
                                 <Icon name="material-symbols:person" class="text-gray-500 dark:text-gray-400 text-[1.2rem]" />
@@ -199,23 +190,6 @@ const sponsors = Object.values(
     color: var(--primary);
     opacity: 0.8;
 }
-
-.loading-bar {
-    transition: opacity 0.5s ease-out;
-}
-
-@keyframes loading-progress {
-    0% {
-        transform: translateX(-100%);
-    }
-    100% {
-        transform: translateX(400%);
-    }
-}
-
-.animate-loading-progress {
-    animation: loading-progress 1.5s ease-in-out infinite;
-}
 </style>
 
 <script>