diff --git a/package.json b/package.json
index 06e706947..183e7ca04 100644
--- a/package.json
+++ b/package.json
@@ -100,7 +100,7 @@
     "node": ">=20.10.0",
     "pnpm": ">=9.12.0"
   },
-  "packageManager": "pnpm@10.14.0",
+  "packageManager": "pnpm@10.21.0",
   "pnpm": {
     "peerDependencyRules": {
       "allowedVersions": {
diff --git a/packages/@core/base/design/src/css/global.css b/packages/@core/base/design/src/css/global.css
index d19990985..dc154fc72 100644
--- a/packages/@core/base/design/src/css/global.css
+++ b/packages/@core/base/design/src/css/global.css
@@ -14,8 +14,9 @@
   }
 
   html {
-    @apply text-foreground bg-background font-sans text-[100%];
+    @apply text-foreground bg-background font-sans;
 
+    font-size: var(--font-size-base, 16px);
     font-variation-settings: normal;
     line-height: 1.15;
     text-size-adjust: 100%;
diff --git a/packages/@core/preferences/src/config.ts b/packages/@core/preferences/src/config.ts
index 5b8d72363..d9977b1ef 100644
--- a/packages/@core/preferences/src/config.ts
+++ b/packages/@core/preferences/src/config.ts
@@ -116,6 +116,7 @@ const defaultPreferences: Preferences = {
     colorWarning: 'hsl(42 84% 61%)',
     mode: 'dark',
     radius: '0.5',
+    fontSize: 16,
     semiDarkHeader: false,
     semiDarkSidebar: false,
   },
diff --git a/packages/@core/preferences/src/types.ts b/packages/@core/preferences/src/types.ts
index 9a4d94bdf..685ffa2ef 100644
--- a/packages/@core/preferences/src/types.ts
+++ b/packages/@core/preferences/src/types.ts
@@ -243,6 +243,8 @@ interface ThemePreferences {
   mode: ThemeModeType;
   /** 圆角 */
   radius: string;
+  /** 字体大小（单位：px） */
+  fontSize: number;
   /** 是否开启半深色header（只在theme='light'时生效） */
   semiDarkHeader: boolean;
   /** 是否开启半深色菜单（只在theme='light'时生效） */
diff --git a/packages/@core/preferences/src/update-css-variables.ts b/packages/@core/preferences/src/update-css-variables.ts
index 0d3466a01..b00be7825 100644
--- a/packages/@core/preferences/src/update-css-variables.ts
+++ b/packages/@core/preferences/src/update-css-variables.ts
@@ -66,6 +66,14 @@ function updateCSSVariables(preferences: Preferences) {
   if (Reflect.has(theme, 'radius')) {
     document.documentElement.style.setProperty('--radius', `${radius}rem`);
   }
+
+  // 更新字体大小
+  if (Reflect.has(theme, 'fontSize')) {
+    document.documentElement.style.setProperty(
+      '--font-size-base',
+      `${theme.fontSize}px`,
+    );
+  }
 }
 
 /**
diff --git a/packages/@core/ui-kit/menu-ui/src/components/menu.vue b/packages/@core/ui-kit/menu-ui/src/components/menu.vue
index 887604567..624be2910 100644
--- a/packages/@core/ui-kit/menu-ui/src/components/menu.vue
+++ b/packages/@core/ui-kit/menu-ui/src/components/menu.vue
@@ -444,7 +444,7 @@ $namespace: vben;
 .#{$namespace}-menu__popup-container,
 .#{$namespace}-menu {
   --menu-title-width: 140px;
-  --menu-item-icon-size: 16px;
+  --menu-item-icon-size: var(--font-size-base, 16px);
   --menu-item-height: 38px;
   --menu-item-padding-y: 21px;
   --menu-item-padding-x: 12px;
@@ -458,7 +458,7 @@ $namespace: vben;
   --menu-item-collapse-margin-x: 0px;
   --menu-item-radius: 0px;
   --menu-item-indent: 16px;
-  --menu-font-size: 14px;
+  --menu-font-size: calc(var(--font-size-base, 16px) * 0.875);
 
   &.is-dark {
     --menu-background-color: hsl(var(--menu));
@@ -752,7 +752,7 @@ $namespace: vben;
     }
     .#{$namespace}-menu__icon {
       display: block;
-      font-size: 20px !important;
+      font-size: calc(var(--font-size-base, 16px) * 1.25) !important;
       transition: all 0.25s ease;
     }
 
@@ -760,7 +760,7 @@ $namespace: vben;
       display: inline-flex;
       margin-top: 8px;
       margin-bottom: 0;
-      font-size: 12px;
+      font-size: calc(var(--font-size-base, 16px) * 0.75);
       font-weight: 400;
       line-height: normal;
       transition: all 0.25s ease;
diff --git a/packages/@core/ui-kit/menu-ui/src/components/normal-menu/normal-menu.vue b/packages/@core/ui-kit/menu-ui/src/components/normal-menu/normal-menu.vue
index 7cb29e512..0c4142d22 100644
--- a/packages/@core/ui-kit/menu-ui/src/components/normal-menu/normal-menu.vue
+++ b/packages/@core/ui-kit/menu-ui/src/components/normal-menu/normal-menu.vue
@@ -102,7 +102,7 @@ $namespace: vben;
     }
 
     .#{$namespace}-normal-menu__icon {
-      font-size: 20px;
+      font-size: calc(var(--font-size-base, 16px) * 1.25);
     }
   }
 
@@ -146,14 +146,14 @@ $namespace: vben;
 
   &__icon {
     max-height: 20px;
-    font-size: 20px;
+    font-size: calc(var(--font-size-base, 16px) * 1.25);
     transition: all 0.25s ease;
   }
 
   &__name {
     margin-top: 8px;
     margin-bottom: 0;
-    font-size: 12px;
+    font-size: calc(var(--font-size-base, 16px) * 0.75);
     font-weight: 400;
     transition: all 0.25s ease;
   }
diff --git a/packages/effects/layouts/src/widgets/preferences/blocks/index.ts b/packages/effects/layouts/src/widgets/preferences/blocks/index.ts
index 59595dc48..cdd6bb1db 100644
--- a/packages/effects/layouts/src/widgets/preferences/blocks/index.ts
+++ b/packages/effects/layouts/src/widgets/preferences/blocks/index.ts
@@ -15,5 +15,6 @@ export { default as GlobalShortcutKeys } from './shortcut-keys/global.vue';
 export { default as SwitchItem } from './switch-item.vue';
 export { default as BuiltinTheme } from './theme/builtin.vue';
 export { default as ColorMode } from './theme/color-mode.vue';
+export { default as FontSize } from './theme/font-size.vue';
 export { default as Radius } from './theme/radius.vue';
 export { default as Theme } from './theme/theme.vue';
diff --git a/packages/effects/layouts/src/widgets/preferences/preferences-drawer.vue b/packages/effects/layouts/src/widgets/preferences/preferences-drawer.vue
index 301004d6e..a90c27dc0 100644
--- a/packages/effects/layouts/src/widgets/preferences/preferences-drawer.vue
+++ b/packages/effects/layouts/src/widgets/preferences/preferences-drawer.vue
@@ -44,6 +44,7 @@ import {
   Content,
   Copyright,
   Footer,
+  FontSize,
   General,
   GlobalShortcutKeys,
   Header,
@@ -85,6 +86,7 @@ const themeColorPrimary = defineModel<string>('themeColorPrimary');
 const themeBuiltinType = defineModel<BuiltinThemeType>('themeBuiltinType');
 const themeMode = defineModel<ThemeModeType>('themeMode');
 const themeRadius = defineModel<string>('themeRadius');
+const themeFontSize = defineModel<number>('themeFontSize');
 const themeSemiDarkSidebar = defineModel<boolean>('themeSemiDarkSidebar');
 const themeSemiDarkHeader = defineModel<boolean>('themeSemiDarkHeader');
 
@@ -328,6 +330,9 @@ async function handleReset() {
             <Block :title="$t('preferences.theme.radius')">
               <Radius v-model="themeRadius" />
             </Block>
+            <Block :title="$t('preferences.theme.fontSize')">
+              <FontSize v-model="themeFontSize" />
+            </Block>
             <Block :title="$t('preferences.other')">
               <ColorMode
                 v-model:app-color-gray-mode="appColorGrayMode"
diff --git a/packages/locales/src/langs/en-US/preferences.json b/packages/locales/src/langs/en-US/preferences.json
index b0bbe3741..977632acf 100644
--- a/packages/locales/src/langs/en-US/preferences.json
+++ b/packages/locales/src/langs/en-US/preferences.json
@@ -120,6 +120,8 @@
   "theme": {
     "title": "Theme",
     "radius": "Radius",
+    "fontSize": "Font Size",
+    "fontSizeTip": "Adjust global font size with real-time preview",
     "light": "Light",
     "dark": "Dark",
     "darkSidebar": "Semi Dark Sidebar",
diff --git a/packages/locales/src/langs/zh-CN/preferences.json b/packages/locales/src/langs/zh-CN/preferences.json
index de8413df9..f8e390f2b 100644
--- a/packages/locales/src/langs/zh-CN/preferences.json
+++ b/packages/locales/src/langs/zh-CN/preferences.json
@@ -120,6 +120,8 @@
   "theme": {
     "title": "主题",
     "radius": "圆角",
+    "fontSize": "字体大小",
+    "fontSizeTip": "调整全局字体大小，实时预览效果",
     "light": "浅色",
     "dark": "深色",
     "darkSidebar": "深色侧边栏",