diff --git a/package/component/package.json b/package/component/package.json
index 27730a44..70e92439 100644
--- a/package/component/package.json
+++ b/package/component/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@layui/layui-vue",
-  "version": "1.4.7",
+  "version": "1.4.8",
   "author": "就眠儀式",
   "license": "MIT",
   "description": "a component library for Vue 3 base on layui-vue",
diff --git a/package/component/src/component/scroll/index.vue b/package/component/src/component/scroll/index.vue
index 06bdcfa2..949f426b 100644
--- a/package/component/src/component/scroll/index.vue
+++ b/package/component/src/component/scroll/index.vue
@@ -101,16 +101,19 @@ const monitorWindow = function () {
 //监听内容元素尺寸变化
 const monitorScrollBar = function () {
   // @ts-ignore
-  let MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver;
-  const observer : any = new MutationObserver(mutations => {
-      initScrollListner();
-  })
+  let MutationObserver =
+    window.MutationObserver ||
+    window.WebKitMutationObserver ||
+    window.MozMutationObserver;
+  const observer: any = new MutationObserver((mutations) => {
+    initScrollListner();
+  });
 
   observer.observe(scrollRef.value, {
-      attributes: true,
-      childList: true,
-      subtree: true
-  })
+    attributes: true,
+    childList: true,
+    subtree: true,
+  });
 };
 
 // 初始化延迟监听滚动条
diff --git a/package/document-component/src/document/zh-CN/guide/changelog.md b/package/document-component/src/document/zh-CN/guide/changelog.md
index fc2c7a2d..3fb41b46 100644
--- a/package/document-component/src/document/zh-CN/guide/changelog.md
+++ b/package/document-component/src/document/zh-CN/guide/changelog.md
@@ -11,6 +11,19 @@
 <template>
 <lay-timeline>
   <lay-timeline-item title="1.4.x">
+    <ul> 
+      <a name="1-4-8"></a> 
+      <li> 
+        <h3>1.4.8 <span class="layui-badge-rim">2022-09-02</span></h3> 
+        <ul>     
+          <li>[修复] countUp 组件 useGrouping 属性异常。</li>
+          <li>[修复] scroll 组件无法监听 subtree 的节点变化。</li>
+          <li>[修复] tab 组件 title 属性显示异常的问题。</li>
+          <li>[优化] table 组件 page 参数 total 值为 0 时, 隐藏分页操作。</li>
+          <li>[优化] select 组件多选模式下边框被遮挡的问题。</li>
+        </ul>
+      </li>
+    </ul>
     <ul> 
       <a name="1-4-7"></a> 
       <li>