diff --git a/package/component/src/component/treeSelect/index.vue b/package/component/src/component/treeSelect/index.vue
index 63fdca38..932d02f5 100644
--- a/package/component/src/component/treeSelect/index.vue
+++ b/package/component/src/component/treeSelect/index.vue
@@ -61,8 +61,10 @@ const checkedKeys = computed({
     return props.multiple ? props.modelValue : [];
   },
   set(value) {
-    emits("update:modelValue", value);
-    emits("change", value);
+    if(props.multiple) {
+      emits("update:modelValue", value);
+      emits("change", value);
+    }
   },
 });
 
@@ -121,10 +123,10 @@ const handleClick = (node: any) => {
       <lay-input
         v-else
         v-model="singleValue"
-        :size="size"
         :placeholder="placeholder"
         :disabled="disabled"
         :readonly="true"
+        :size="size"
       >
         <template #suffix>
           <lay-icon
diff --git a/package/component/src/component/treeSelect/interface.ts b/package/component/src/component/treeSelect/interface.ts
index b38a8819..80e37126 100644
--- a/package/component/src/component/treeSelect/interface.ts
+++ b/package/component/src/component/treeSelect/interface.ts
@@ -1 +1 @@
-export type TreeSelectSize = "lg" | "md" | "sm" | "xs";
\ No newline at end of file
+export type TreeSelectSize = "lg" | "md" | "sm" | "xs";
diff --git a/package/component/src/index.ts b/package/component/src/index.ts
index 8e62a432..c46e21af 100644
--- a/package/component/src/index.ts
+++ b/package/component/src/index.ts
@@ -181,7 +181,7 @@ const components: Record<string, Plugin> = {
   LaySpace,
   LayTag,
   LayTagInput,
-  LayTreeSelect
+  LayTreeSelect,
 };
 
 const install = (app: App, options?: InstallOptions): void => {
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 ca233d41..462f21f3 100644
--- a/package/document-component/src/document/zh-CN/guide/changelog.md
+++ b/package/document-component/src/document/zh-CN/guide/changelog.md
@@ -24,6 +24,7 @@
               <li>[新增] ** 方法。</li>
             </ul>
           </li>
+          <li>[新增] tree-select 下拉树组件, 提供树结构数据选择能力。</li>
           <li>[修复] upload 组件 drag 为 true 时, 获取不到拖拽文件 files 集合, 并直接预览上传资源。</li>
           <li>[其他] global 整体组件源码逻辑优化, 更好的兼容 typescript 类型。</li>
           <li>[优化] layer 组件 id 属性, 当值相同时仅保留最新的弹层实例。</li>