diff --git a/themes/Ying/assets/js/barrage.js b/themes/Ying/assets/js/barrage.js
index 609786c6..94ff80f7 100644
--- a/themes/Ying/assets/js/barrage.js
+++ b/themes/Ying/assets/js/barrage.js
@@ -260,8 +260,22 @@
         }
     }
 
+    // 判断是否为移动端
+    function isMobile() {
+        if (window.innerWidth < 768) {
+            return true;
+        }
+        return window.navigator.userAgent.match(/(phone|pad|pod|iPhone|iPod|ios|iPad|Android|Mobile|BlackBerry|IEMobile|MQQBrowser|JUC|Fennec|wOSBrowser|BrowserNG|WebOS|Symbian|Windows Phone)/i);
+    }
+
     // 加载弹幕主函数
     async function loadBarrager() {
+        // 移动端不加载弹幕
+        if (isMobile()) {
+            console.log('[Barrage] 移动端已禁用弹幕');
+            return;
+        }
+
         try {
             const commentsData = await initArtalkAndGetComments();
             if (commentsData) {
diff --git a/themes/Ying/assets/js/main.js b/themes/Ying/assets/js/main.js
index 8ec94df0..ac39c190 100644
--- a/themes/Ying/assets/js/main.js
+++ b/themes/Ying/assets/js/main.js
@@ -231,6 +231,31 @@ function toggleTheme() {
     }
 }
 
+// Listen for system theme changes
+try {
+    const mediaQuery = window.matchMedia('(prefers-color-scheme: dark)');
+    const handleSystemThemeChange = (e) => {
+        // Only follow system if user hasn't manually set a preference
+        if (!localStorage.getItem('theme')) {
+            const newTheme = e.matches ? 'dark' : 'light';
+            document.documentElement.setAttribute('data-theme', newTheme);
+            if (window.Artalk) {
+                Artalk.setDarkMode(newTheme === 'dark');
+            }
+        }
+    };
+    
+    // Modern browsers
+    if (mediaQuery.addEventListener) {
+        mediaQuery.addEventListener('change', handleSystemThemeChange);
+    } else if (mediaQuery.addListener) {
+        // Old Safari/IE
+        mediaQuery.addListener(handleSystemThemeChange);
+    }
+} catch (e) {
+    console.warn('System theme detection not supported', e);
+}
+
 // Update Floating Tools Visibility based on current page
 function updateFloatingToolsVisibility() {
     const tools = document.querySelector('.floating-tools');