diff --git a/src/main.js b/src/main.js
index c01e80d..15580f6 100644
--- a/src/main.js
+++ b/src/main.js
@@ -4,7 +4,6 @@ import Cookies from 'js-cookie'
 
 import ElementPlus from 'element-plus'
 import 'element-plus/dist/index.css'
-import 'element-plus/theme-chalk/dark/css-vars.css'
 import locale from 'element-plus/es/locale/lang/zh-cn'
 
 import '@/assets/styles/index.scss' // global css
diff --git a/src/store/modules/settings.js b/src/store/modules/settings.js
index 64b413a..85161fe 100644
--- a/src/store/modules/settings.js
+++ b/src/store/modules/settings.js
@@ -1,10 +1,6 @@
 import defaultSettings from '@/settings'
-import { useDark, useToggle } from '@vueuse/core'
 import { useDynamicTitle } from '@/utils/dynamicTitle'
 
-const isDark = useDark()
-const toggleDark = useToggle(isDark)
-
 const { sideTheme, showSettings, topNav, tagsView, fixedHeader, sidebarLogo, dynamicTitle } = defaultSettings
 
 const storageSetting = JSON.parse(localStorage.getItem('layout-setting')) || ''
@@ -22,7 +18,8 @@ const useSettingsStore = defineStore(
       fixedHeader: storageSetting.fixedHeader === undefined ? fixedHeader : storageSetting.fixedHeader,
       sidebarLogo: storageSetting.sidebarLogo === undefined ? sidebarLogo : storageSetting.sidebarLogo,
       dynamicTitle: storageSetting.dynamicTitle === undefined ? dynamicTitle : storageSetting.dynamicTitle,
-      isDark: isDark.value
+      // 关闭跟随系统的暗黑模式，默认使用亮色模式
+      isDark: false
     }),
     actions: {
       // 修改布局设置
@@ -39,8 +36,8 @@ const useSettingsStore = defineStore(
       },
       // 切换暗黑模式
       toggleTheme() {
+        // 如果后续仍需保留“主题模式”按钮，仅切换内部标记，不再操作系统/HTML 的暗黑类名
         this.isDark = !this.isDark
-        toggleDark()
       }
     }
   })