diff --git a/src/components/UseIntersectionObserverInfiniteLoading.vue b/src/components/UseIntersectionObserverInfiniteLoading.vue
index 7bb000a..fa7e01d 100644
--- a/src/components/UseIntersectionObserverInfiniteLoading.vue
+++ b/src/components/UseIntersectionObserverInfiniteLoading.vue
@@ -1,6 +1,4 @@
 <script lang="ts">
-import { throttle } from 'radash';
-
 function checkIsVisible(el: Element, root: Element | null = null) {
   if (!el) return false;
 
@@ -45,12 +43,19 @@ defineSlots<{
   // 加载失败
   error(props: { retry: () => void }): unknown;
 }>();
+defineExpose({
+  refresh: () => {
+    currentPage = 0;
+    state.value = '';
+    return load('refresh');
+  },
+});
 
 const target = ref(null);
 let currentPage = 0;
 const state = ref<'' | 'loading' | 'loaded' | 'complete' | 'error'>('');
 
-const loadImpl = async (why?: string) => {
+const load = async (why?: string) => {
   console.group('load');
   console.debug(`why :>> `, why);
   console.groupEnd();
@@ -76,19 +81,6 @@ const loadImpl = async (why?: string) => {
   }
 };
 
-// 使用radash的throttle包装load函数,1秒内最多执行一次
-const load = throttle({ interval: 1000 }, loadImpl);
-
-const refresh = () => {
-  currentPage = 0;
-  state.value = '';
-  return loadImpl('refresh'); // refresh 不需要节流
-};
-
-defineExpose({
-  refresh,
-});
-
 const { pause, resume /*  ,isSupported, isActive */ } = useIntersectionObserver(
   target,
   ([entry]) => {