diff --git a/packages/vant-use/src/useClickAway/README.md b/packages/vant-use/src/useClickAway/README.md
index 714215ac2..da40115ea 100644
--- a/packages/vant-use/src/useClickAway/README.md
+++ b/packages/vant-use/src/useClickAway/README.md
@@ -59,15 +59,15 @@ export default {
 ### 类型定义
 
 ```ts
+type Options = {
+  eventName?: string;
+};
+
 function useClickAway(
   target: Element | Ref<Element | undefined>,
   listener: EventListener,
   options?: Options
 ): void;
-
-type Options = {
-  eventName?: string;
-};
 ```
 
 ### 参数
diff --git a/packages/vant-use/src/useCountDown/README.md b/packages/vant-use/src/useCountDown/README.md
index 669ad6ca7..fed6980ce 100644
--- a/packages/vant-use/src/useCountDown/README.md
+++ b/packages/vant-use/src/useCountDown/README.md
@@ -62,13 +62,13 @@ export default {
 ### 类型定义
 
 ```ts
-function useCountDown(options: UseCountDownOptions): CountDown;
-
-type UseCountDownOptions = {
-  time: number;
-  millisecond?: boolean;
-  onChange?: (current: CurrentTime) => void;
-  onFinish?: () => void;
+type CurrentTime = {
+  days: number;
+  hours: number;
+  total: number;
+  minutes: number;
+  seconds: number;
+  milliseconds: number;
 };
 
 type CountDown = {
@@ -78,14 +78,14 @@ type CountDown = {
   current: ComputedRef<CurrentTime>;
 };
 
-type CurrentTime = {
-  days: number;
-  hours: number;
-  total: number;
-  minutes: number;
-  seconds: number;
-  milliseconds: number;
+type UseCountDownOptions = {
+  time: number;
+  millisecond?: boolean;
+  onChange?: (current: CurrentTime) => void;
+  onFinish?: () => void;
 };
+
+function useCountDown(options: UseCountDownOptions): CountDown;
 ```
 
 ### 参数
diff --git a/packages/vant-use/src/useEventListener/README.md b/packages/vant-use/src/useEventListener/README.md
index 3df4ecbcd..d59536ba7 100644
--- a/packages/vant-use/src/useEventListener/README.md
+++ b/packages/vant-use/src/useEventListener/README.md
@@ -33,17 +33,17 @@ export default {
 ## 类型定义
 
 ```ts
-function useEventListener(
-  type: string,
-  listener: EventListener,
-  options?: Options
-): void;
-
 type Options = {
   target?: EventTarget | Ref<EventTarget>;
   capture?: boolean;
   passive?: boolean;
 };
+
+function useEventListener(
+  type: string,
+  listener: EventListener,
+  options?: Options
+): void;
 ```
 
 ## API
diff --git a/packages/vant-use/src/usePageVisibility/README.md b/packages/vant-use/src/usePageVisibility/README.md
index 8af5a42c9..e389c31e0 100644
--- a/packages/vant-use/src/usePageVisibility/README.md
+++ b/packages/vant-use/src/usePageVisibility/README.md
@@ -26,9 +26,9 @@ export default {
 ### 类型定义
 
 ```ts
-function usePageVisibility(): Ref<VisibilityState>;
-
 type VisibilityState = 'visible' | 'hidden';
+
+function usePageVisibility(): Ref<VisibilityState>;
 ```
 
 ### 返回值
diff --git a/packages/vant-use/src/useRect/README.md b/packages/vant-use/src/useRect/README.md
index ff2a3236b..33dfa36df 100644
--- a/packages/vant-use/src/useRect/README.md
+++ b/packages/vant-use/src/useRect/README.md
@@ -31,7 +31,9 @@ export default {
 ### 类型定义
 
 ```ts
-function useRect((Element | Window) | Ref<Element | Window | undefined>): DOMRect;
+function useRect(
+  element: Element | Window | Ref<Element | Window | undefined>
+): DOMRect;
 ```
 
 ### 返回值
diff --git a/packages/vant-use/src/useRect/index.ts b/packages/vant-use/src/useRect/index.ts
index 16494cdbc..228549ffc 100644
--- a/packages/vant-use/src/useRect/index.ts
+++ b/packages/vant-use/src/useRect/index.ts
@@ -16,9 +16,9 @@ function makeDOMRect(width: number, height: number) {
 }
 
 export const useRect = (
-  elementRef: (Element | Window) | Ref<Element | Window | undefined>
+  elementOrRef: Element | Window | Ref<Element | Window | undefined>
 ) => {
-  const element = unref(elementRef);
+  const element = unref(elementOrRef);
 
   if (isWindow(element)) {
     const width = element.innerWidth;
diff --git a/packages/vant-use/src/useRelation/useParent.ts b/packages/vant-use/src/useRelation/useParent.ts
index c1b4816be..ac8ec53fa 100644
--- a/packages/vant-use/src/useRelation/useParent.ts
+++ b/packages/vant-use/src/useRelation/useParent.ts
@@ -23,10 +23,7 @@ export function useParent<T>(key: string | symbol) {
     const { link, unlink, internalChildren, ...rest } = parent;
 
     link(instance);
-
-    onUnmounted(() => {
-      unlink(instance);
-    });
+    onUnmounted(() => unlink(instance));
 
     const index = computed(() => internalChildren.indexOf(instance));
 
diff --git a/packages/vant-use/src/utils.ts b/packages/vant-use/src/utils.ts
index 5610d0112..2bc2417b5 100644
--- a/packages/vant-use/src/utils.ts
+++ b/packages/vant-use/src/utils.ts
@@ -24,7 +24,5 @@ export function cancelRaf(id: number) {
 
 // double raf for animation
 export function doubleRaf(fn: FrameRequestCallback): void {
-  raf(() => {
-    raf(fn);
-  });
+  raf(() => raf(fn));
 }