diff --git a/packages/vue-v8n/src/composables/useV7d.ts b/packages/vue-v8n/src/composables/useV7d.ts
index acbd865..7fab4e3 100644
--- a/packages/vue-v8n/src/composables/useV7d.ts
+++ b/packages/vue-v8n/src/composables/useV7d.ts
@@ -3,7 +3,9 @@ import type { MaybeRefOrGetter } from 'vue'
 import type { RuleDefinition, UseV7dOptions } from '../types'
 
 export function useV7d<T>(value: T, rules: MaybeRefOrGetter<RuleDefinition[]>, options?: UseV7dOptions) {
-  const immediate = !!options?.immediate
+  const {
+    immediate = false
+  } = options || {}
 
   const $el = ref<EventTarget>()
   const _value = ref(value)
diff --git a/packages/vue-v8n/src/types.ts b/packages/vue-v8n/src/types.ts
index 22d6d32..b61cae1 100644
--- a/packages/vue-v8n/src/types.ts
+++ b/packages/vue-v8n/src/types.ts
@@ -13,7 +13,7 @@ type RuleFunction = (value: unknown, context: RuleContext) => string | undefined
 export interface RuleContext {}
 
 export interface UseV7dOptions {
-  immediate: boolean
+  immediate?: boolean
 }
 
 export interface VueV8nOptions {}