diff --git a/package/component/src/component/dropdown/index.vue b/package/component/src/component/dropdown/index.vue
index fcb92837..212718a1 100644
--- a/package/component/src/component/dropdown/index.vue
+++ b/package/component/src/component/dropdown/index.vue
@@ -20,6 +20,7 @@ import {
   cloneVNode,
   useAttrs,
   StyleValue,
+PropType,
 } from "vue";
 import {
   computed,
@@ -45,7 +46,7 @@ import {
 } from "./interface";
 import TeleportWrapper from "../_components/teleportWrapper.vue";
 import { useFirstElement, isScrollElement, getScrollElements } from "./util";
-import RenderFunction from "../_components/renderFunction";
+import RenderFunction, { RenderFunc } from "../_components/renderFunction";
 import { transformPlacement } from "./util";
 
 export type DropdownTrigger = "click" | "hover" | "focus" | "contextMenu";
@@ -573,7 +574,7 @@ onClickOutside(dropdownRef, (e) => {
   hide();
 });
 
-const onlyChildRenderFunc = computed(() => {
+const onlyChildRenderFunc = () => {
   const slotContent = slots.default ? slots.default() : [];
   const transformedSlotContent = slotContent.map((vnode) =>
     cloneVNode(
@@ -592,8 +593,8 @@ const onlyChildRenderFunc = computed(() => {
   );
 
   children.value = transformedSlotContent;
-  return () => h(Fragment, children.value);
-});
+  return h(Fragment, children.value);
+};
 
 onMounted(() => {
   if (props.updateAtScroll) {
diff --git a/package/document-component/src/document/zh-CN/components/space.md b/package/document-component/src/document/zh-CN/components/space.md
index 1b30c20d..04f02a00 100644
--- a/package/document-component/src/document/zh-CN/components/space.md
+++ b/package/document-component/src/document/zh-CN/components/space.md
@@ -40,7 +40,7 @@ export default {
 
 <template>
   <lay-space direction="vertical" fill wrap>
-    <lay-button v-for="idx of 5" type="normal" fluid="true">按钮 {{idx}}</lay-button>
+    <lay-button v-for="idx of 5" type="normal" :fluid="true">按钮 {{idx}}</lay-button>
   </lay-space>
 </template>
 
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 e0043f7b..14332e33 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 +11,20 @@
 <template>
 <lay-timeline>
   <lay-timeline-item title="1.7.x">
+    <ul> 
+      <a name="1-7-7"></a> 
+      <li> 
+        <h3>1.7.7 <span class="layui-badge-rim">2022-11-10</span></h3> 
+        <ul>
+          <li>[新增] upload 组件 text 属性, 设置上传描述。</li>
+          <li>[新增] upload 组件 dragText 属性, 设置拖拽面板提示信息。</li>
+          <li>[修复] input-number 组件 step 设置为小数时精度丢失的问题。</li>
+          <li>[修复] tooltip 组件临近屏幕边界, 三角位置显示错误。</li>
+          <li>[优化] select-option 组件 default 插槽。</li>
+          <li>
+        </ul> 
+      </li>
+    </ul>
     <ul> 
       <a name="1-7-6"></a> 
       <li>