diff --git a/package.json b/package.json
index f5a2f435c..14e341d0b 100644
--- a/package.json
+++ b/package.json
@@ -1,70 +1,70 @@
 {
-  "name": "fuwari",
-  "type": "module",
-  "version": "0.0.1",
-  "scripts": {
-    "dev": "astro dev",
-    "start": "astro dev",
-    "build": "astro build && pagefind --site dist",
-    "preview": "astro preview",
-    "astro": "astro",
-    "type-check": "tsc --noEmit --isolatedDeclarations",
-    "new-post": "node scripts/new-post.js",
-    "format": "biome format --write ./src",
-    "lint": "biome check --write ./src",
-    "preinstall": "npx only-allow pnpm"
-  },
-  "dependencies": {
-    "@astrojs/check": "^0.9.4",
-    "@astrojs/rss": "^4.0.11",
-    "@astrojs/sitemap": "^3.3.1",
-    "@astrojs/svelte": "7.0.12",
-    "@astrojs/tailwind": "^6.0.2",
-    "@fontsource-variable/jetbrains-mono": "^5.2.5",
-    "@fontsource/roboto": "^5.2.5",
-    "@iconify-json/fa6-brands": "^1.2.5",
-    "@iconify-json/fa6-regular": "^1.2.3",
-    "@iconify-json/fa6-solid": "^1.2.3",
-    "@iconify-json/material-symbols": "^1.2.20",
-    "@iconify/svelte": "^4.2.0",
-    "@swup/astro": "^1.6.0",
-    "@tailwindcss/typography": "^0.5.16",
-    "astro": "5.7.9",
-    "astro-icon": "^1.1.5",
-    "hastscript": "^9.0.1",
-    "katex": "^0.16.22",
-    "markdown-it": "^14.1.0",
-    "mdast-util-to-string": "^4.0.0",
-    "overlayscrollbars": "^2.11.1",
-    "pagefind": "^1.3.0",
-    "photoswipe": "^5.4.4",
-    "reading-time": "^1.5.0",
-    "rehype-autolink-headings": "^7.1.0",
-    "rehype-components": "^0.3.0",
-    "rehype-katex": "^7.0.1",
-    "rehype-slug": "^6.0.0",
-    "remark-directive": "^3.0.1",
-    "remark-directive-rehype": "^0.4.2",
-    "remark-github-admonitions-to-directives": "^1.0.5",
-    "remark-math": "^6.0.0",
-    "remark-sectionize": "^2.1.0",
-    "sanitize-html": "^2.16.0",
-    "sharp": "^0.34.1",
-    "stylus": "^0.64.0",
-    "svelte": "^5.28.2",
-    "tailwindcss": "^3.4.17",
-    "typescript": "^5.8.3",
-    "unist-util-visit": "^5.0.0"
-  },
-  "devDependencies": {
-    "@astrojs/ts-plugin": "^1.10.4",
-    "@biomejs/biome": "1.9.4",
-    "@rollup/plugin-yaml": "^4.1.2",
-    "@types/markdown-it": "^14.1.2",
-    "@types/mdast": "^4.0.4",
-    "@types/sanitize-html": "^2.15.0",
-    "postcss-import": "^16.1.0",
-    "postcss-nesting": "^13.0.1"
-  },
-  "packageManager": "pnpm@9.14.4"
+	"name": "fuwari",
+	"type": "module",
+	"version": "0.0.1",
+	"scripts": {
+		"dev": "astro dev",
+		"start": "astro dev",
+		"build": "astro build && pagefind --site dist",
+		"preview": "astro preview",
+		"astro": "astro",
+		"type-check": "tsc --noEmit --isolatedDeclarations",
+		"new-post": "node scripts/new-post.js",
+		"format": "biome format --write ./src",
+		"lint": "biome check --write ./src",
+		"preinstall": "npx only-allow pnpm"
+	},
+	"dependencies": {
+		"@astrojs/check": "^0.9.4",
+		"@astrojs/rss": "^4.0.11",
+		"@astrojs/sitemap": "^3.3.1",
+		"@astrojs/svelte": "7.0.12",
+		"@astrojs/tailwind": "^6.0.2",
+		"@fontsource-variable/jetbrains-mono": "^5.2.5",
+		"@fontsource/roboto": "^5.2.5",
+		"@iconify-json/fa6-brands": "^1.2.5",
+		"@iconify-json/fa6-regular": "^1.2.3",
+		"@iconify-json/fa6-solid": "^1.2.3",
+		"@iconify-json/material-symbols": "^1.2.20",
+		"@iconify/svelte": "^4.2.0",
+		"@swup/astro": "^1.6.0",
+		"@tailwindcss/typography": "^0.5.16",
+		"astro": "5.7.9",
+		"astro-icon": "^1.1.5",
+		"hastscript": "^9.0.1",
+		"katex": "^0.16.22",
+		"markdown-it": "^14.1.0",
+		"mdast-util-to-string": "^4.0.0",
+		"overlayscrollbars": "^2.11.1",
+		"pagefind": "^1.3.0",
+		"photoswipe": "^5.4.4",
+		"reading-time": "^1.5.0",
+		"rehype-autolink-headings": "^7.1.0",
+		"rehype-components": "^0.3.0",
+		"rehype-katex": "^7.0.1",
+		"rehype-slug": "^6.0.0",
+		"remark-directive": "^3.0.1",
+		"remark-directive-rehype": "^0.4.2",
+		"remark-github-admonitions-to-directives": "^1.0.5",
+		"remark-math": "^6.0.0",
+		"remark-sectionize": "^2.1.0",
+		"sanitize-html": "^2.16.0",
+		"sharp": "^0.34.1",
+		"stylus": "^0.64.0",
+		"svelte": "^5.28.2",
+		"tailwindcss": "^3.4.17",
+		"typescript": "^5.8.3",
+		"unist-util-visit": "^5.0.0"
+	},
+	"devDependencies": {
+		"@astrojs/ts-plugin": "^1.10.4",
+		"@biomejs/biome": "1.9.4",
+		"@rollup/plugin-yaml": "^4.1.2",
+		"@types/markdown-it": "^14.1.2",
+		"@types/mdast": "^4.0.4",
+		"@types/sanitize-html": "^2.15.0",
+		"postcss-import": "^16.1.0",
+		"postcss-nesting": "^13.0.1"
+	},
+	"packageManager": "pnpm@9.14.4"
 }
diff --git a/src/components/Footer.astro b/src/components/Footer.astro
index e07307a4e..05ab1125a 100644
--- a/src/components/Footer.astro
+++ b/src/components/Footer.astro
@@ -10,6 +10,7 @@ const currentYear = new Date().getFullYear();
 <div class="transition border-t border-black/10 dark:border-white/15 my-10 border-dashed mx-32"></div>
 <!--<div class="transition bg-[oklch(92%_0.01_var(&#45;&#45;hue))] dark:bg-black rounded-2xl py-8 mt-4 mb-8 flex flex-col items-center justify-center px-6">-->
 <div class="transition border-dashed border-[oklch(85%_0.01_var(--hue))] dark:border-white/15 rounded-2xl mb-12 flex flex-col items-center justify-center px-6">
+    <iframe src="https://ip.skk.moe/simple-dark" style="width: 100%; border: 0"></iframe>
     <div class="transition text-50 text-sm text-center">
         <!-- Project Badges -->
         <div class="flex flex-wrap justify-center gap-2 mb-3">
diff --git a/src/components/Navbar.astro b/src/components/Navbar.astro
index bbc31cbfd..2156b9707 100644
--- a/src/components/Navbar.astro
+++ b/src/components/Navbar.astro
@@ -50,7 +50,9 @@ let links: NavBarLink[] = navBarConfig.links.map(
                         <Icon name="material-symbols:palette-outline" class="text-[1.25rem]"></Icon>
                     </button>
             )}
-            <LightDarkSwitch client:only="svelte"></LightDarkSwitch>
+            {!siteConfig.themeColor.forceDarkMode && (
+                <LightDarkSwitch client:only="svelte"></LightDarkSwitch>
+            )}
             <button aria-label="Menu" name="Nav Menu" class="btn-plain scale-animation rounded-lg w-11 h-11 active:scale-90 md:!hidden" id="nav-menu-switch">
                 <Icon name="material-symbols:menu-rounded" class="text-[1.25rem]"></Icon>
             </button>
diff --git a/src/components/misc/ImageWrapper.astro b/src/components/misc/ImageWrapper.astro
index 1874e46bf..359ef52b1 100644
--- a/src/components/misc/ImageWrapper.astro
+++ b/src/components/misc/ImageWrapper.astro
@@ -10,7 +10,7 @@ interface Props {
 }
 import { Image } from "astro:assets";
 import { url } from "../../utils/url-utils";
-import { imageFallbackConfig } from "../../config";
+import { imageFallbackConfig, siteConfig } from "../../config";
 
 const { id, src, alt, position = "center", basePath = "/" } = Astro.props;
 const className = Astro.props.class;
@@ -46,13 +46,43 @@ if (isLocal) {
 const imageClass = "w-full h-full object-cover";
 const imageStyle = `object-position: ${position}`;
 ---
-<div id={id} class:list={[className, 'overflow-hidden relative']}>
+<div id={id} class:list={[className, 'overflow-hidden relative image-wrapper']} style={`--theme-hue: ${siteConfig.themeColor.hue}`}>
+    <!-- 加载条 -->
+    <div class="loading-bar absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 w-32 h-1 bg-gray-200 dark:bg-gray-700 z-10 rounded-full overflow-hidden">
+        <div class="loading-progress h-full w-8 bg-[oklch(0.70_0.14_var(--theme-hue))] animate-loading-progress rounded-full"></div>
+    </div>
+    
+    <!-- 图片内容 -->
     <div class="transition absolute inset-0 dark:bg-black/10 bg-opacity-50 pointer-events-none"></div>
-    {isLocal && img && <Image src={img} alt={alt || ""} class={imageClass} style={imageStyle}/>}
+    {isLocal && img && <Image src={img} alt={alt || ""} class={`${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 && (
         imageFallbackConfig.enable && src.includes(imageFallbackConfig.originalDomain) ? 
-            <img src={isPublic ? url(src) : src} alt={alt || ""} class={imageClass} style={imageStyle} onerror={`this.onerror=null; this.src='${(isPublic ? url(src) : src).replace(imageFallbackConfig.originalDomain, imageFallbackConfig.fallbackDomain)}';`}/> :
-            <img src={isPublic ? url(src) : src} alt={alt || ""} class={imageClass} style={imageStyle}/>
+            <img src={isPublic ? url(src) : src} alt={alt || ""} class={`${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';"/>
     )}
 </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-wrapper:hover .image-content {
+        transform: scale(1.05);
+        transition: transform 0.3s ease-out, opacity 0.5s ease-out;
+    }
+</style>
+
diff --git a/src/config.ts b/src/config.ts
index abfa8b7a4..ab21148cd 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -14,6 +14,7 @@ export const siteConfig: SiteConfig = {
 	themeColor: {
 		hue: 360, // Default hue for the theme color, from 0 to 360. e.g. red: 0, teal: 200, cyan: 250, pink: 345
 		fixed: true, // Hide the theme color picker for visitors
+		forceDarkMode: true, // Force dark mode and hide theme switcher
 	},
 	banner: {
 		enable: false,
diff --git a/src/layouts/Layout.astro b/src/layouts/Layout.astro
index 991a049f1..3c4e5392a 100644
--- a/src/layouts/Layout.astro
+++ b/src/layouts/Layout.astro
@@ -110,22 +110,28 @@ const bannerOffset =
 		))}
 
 		<!-- Set the theme before the page is rendered to avoid a flash -->
-		<script is:inline define:vars={{DEFAULT_THEME, LIGHT_MODE, DARK_MODE, AUTO_MODE, BANNER_HEIGHT_EXTEND, PAGE_WIDTH, configHue}}>
-			// Load the theme from local storage
-			const theme = localStorage.getItem('theme') || DEFAULT_THEME;
-			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');
-					} else {
+		<script is:inline define:vars={{DEFAULT_THEME, LIGHT_MODE, DARK_MODE, AUTO_MODE, BANNER_HEIGHT_EXTEND, PAGE_WIDTH, configHue, forceDarkMode: siteConfig.themeColor.forceDarkMode}}>
+			// Force dark mode if configured
+			if (forceDarkMode) {
+				document.documentElement.classList.add('dark');
+				localStorage.setItem('theme', DARK_MODE);
+			} else {
+				// Load the theme from local storage
+				const theme = localStorage.getItem('theme') || DEFAULT_THEME;
+				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');
+						} else {
+							document.documentElement.classList.remove('dark');
+						}
+				}
 			}
 
 			// Load the hue from local storage
diff --git a/src/types/config.ts b/src/types/config.ts
index a29ce275d..60f415e39 100644
--- a/src/types/config.ts
+++ b/src/types/config.ts
@@ -9,6 +9,7 @@ export type SiteConfig = {
 	themeColor: {
 		hue: number;
 		fixed: boolean;
+		forceDarkMode?: boolean;
 	};
 	banner: {
 		enable: boolean;