diff --git a/web/layouts/default.vue b/web/layouts/default.vue
index a5b8236..d8ff359 100644
--- a/web/layouts/default.vue
+++ b/web/layouts/default.vue
@@ -2,7 +2,7 @@
   <div>
     <!-- 暗色模式切换按钮 -->
     <button
-      class="fixed top-4 right-4 z-50 w-8 h-8 flex items-center justify-center rounded-full shadow-lg border border-gray-200 dark:border-gray-700 bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-200 transition-all duration-200 hover:bg-blue-100 dark:hover:bg-blue-900 hover:scale-110 focus:outline-none"
+      class="fixed top-4 left-4 z-50 w-8 h-8 flex items-center justify-center rounded-full shadow-lg border border-gray-200 dark:border-gray-700 bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-200 transition-all duration-200 hover:bg-blue-100 dark:hover:bg-blue-900 hover:scale-110 focus:outline-none"
       @click="toggleDarkMode"
       aria-label="切换明暗模式"
     >
diff --git a/web/pages/r/[key].vue b/web/pages/r/[key].vue
index 9d09bc0..8842c1f 100644
--- a/web/pages/r/[key].vue
+++ b/web/pages/r/[key].vue
@@ -25,9 +25,9 @@
         </h1>
 
         <!-- 右侧导航按钮 -->
-        <nav class="mt-4 flex flex-col sm:flex-row justify-center gap-2 sm:gap-2 right-4 top-0 absolute">
+        <nav class="mt-4 flex flex-row justify-center gap-2 right-4 top-0 absolute">
           <!-- 返回首页按钮 -->
-          <NuxtLink to="/" class="hidden sm:flex">
+          <NuxtLink to="/" class="flex">
             <n-button size="tiny" type="tertiary" round ghost class="!px-2 !py-1 !text-xs !text-white dark:!text-white !border-white/30 hover:!border-white">
               <i class="fas fa-arrow-left text-xs"></i>
               <span class="ml-1">返回首页</span>