diff --git a/packages/elements/src/message/Message.vue b/packages/elements/src/message/Message.vue
index f0fbedd..d32a384 100644
--- a/packages/elements/src/message/Message.vue
+++ b/packages/elements/src/message/Message.vue
@@ -17,7 +17,7 @@ const props = defineProps<Props>()
       cn(
         'group flex w-full max-w-[80%] gap-2',
         props.from === 'user' ? 'is-user ml-auto justify-end' : 'is-assistant',
-        props.class as string,
+        props.class,
       )
     "
     v-bind="$attrs"