diff --git a/app/components/ThemeSettings.vue b/app/components/ThemeSettings.vue
index 70cfd6f..b75b510 100644
--- a/app/components/ThemeSettings.vue
+++ b/app/components/ThemeSettings.vue
@@ -10,7 +10,7 @@
   >
     <div
       v-if="isOpen"
-      class="fixed right-0 top-16 h-[calc(100vh-4rem)] w-full sm:w-96 bg-white dark:bg-gray-900 shadow-2xl z-40 overflow-y-auto border-l border-gray-200 dark:border-gray-700 custom-scrollbar"
+      class="fixed right-0 z-51 top-16 h-[calc(100vh-4rem)] w-full sm:w-96 bg-white dark:bg-gray-900 shadow-2xl overflow-y-auto border-l border-gray-200 dark:border-gray-700 custom-scrollbar"
     >
       <!-- 头部 -->
       <div class="sticky top-0 bg-white dark:bg-gray-900 border-b border-gray-200 dark:border-gray-700 px-6 py-4">