diff --git a/packages/theme-saas/src/dropdown/index.less b/packages/theme-saas/src/dropdown/index.less
index f8d593c14..81dfe8e56 100644
--- a/packages/theme-saas/src/dropdown/index.less
+++ b/packages/theme-saas/src/dropdown/index.less
@@ -6,7 +6,7 @@
 .@{dropdown-prefix-cls} {
   @apply inline-block;
   @apply relative;
-  @apply text-xs;
+  @apply text-sm;
 
   .@{css-prefix}button-group {
     @apply block;
diff --git a/packages/vue/src/dropdown/src/mobile-first.vue b/packages/vue/src/dropdown/src/mobile-first.vue
index 045d1a08e..f3901445e 100644
--- a/packages/vue/src/dropdown/src/mobile-first.vue
+++ b/packages/vue/src/dropdown/src/mobile-first.vue
@@ -195,7 +195,7 @@ export default defineComponent({
     return (
       <div
         class={[
-          'relative inline-block [&>span:nth-of-type(1)]:text-color-brand-focus [&>span:nth-of-type(1)]:text-sm sm:[&>span:nth-of-type(1)]:text-xs',
+          'relative inline-block [&>span:nth-of-type(1)]:text-color-brand-focus [&>span:nth-of-type(1)]:text-sm sm:[&>span:nth-of-type(1)]:text-sm',
           disabled && '[&>span:nth-of-type(1)]:text-color-brand-focus',
           state.showSelfIcon && 'leading-4 h-4 [&_svg]:align-top [&_svg]:rotate-0'
         ]}