diff --git a/src/sku/README.md b/src/sku/README.md
index 11da1814e..dee55190b 100644
--- a/src/sku/README.md
+++ b/src/sku/README.md
@@ -211,7 +211,8 @@ sku: {
       multiple: '0',
       name: 'Message',
       type: 'text',
-      required: '1'
+      required: '1'，
+      placeholder: ''
     }
   ],
   hide_stock: false
@@ -278,7 +279,7 @@ messageConfig: {
   },
   // max file size (MB)
   uploadMaxSize: 3,
-  // placehold config
+  // placeholder config
   placeholderMap: {
     text: 'xxx',
     tel: 'xxx',
diff --git a/src/sku/README.zh-CN.md b/src/sku/README.zh-CN.md
index 8fee2237c..5e74779cc 100644
--- a/src/sku/README.zh-CN.md
+++ b/src/sku/README.zh-CN.md
@@ -221,7 +221,8 @@ sku: {
       multiple: '0', // 留言类型为 text 时，是否多行文本。'1' 表示多行
       name: '留言', // 留言名称
       type: 'text', // 留言类型，可选: id_no（身份证）, text, tel, date, time, email
-      required: '1' // 是否必填 '1' 表示必填
+      required: '1', // 是否必填 '1' 表示必填
+      placeholder: '' // 可选值，占位文本
     }
   ],
   hide_stock: false // 是否隐藏剩余库存
@@ -290,7 +291,7 @@ messageConfig: {
   },
   // 最大上传体积 (MB)
   uploadMaxSize: 3,
-  // placehold配置
+  // placeholder 配置
   placeholderMap: {
     text: 'xxx',
     tel: 'xxx',
diff --git a/src/sku/components/SkuMessages.js b/src/sku/components/SkuMessages.js
index c5e75f157..180897207 100644
--- a/src/sku/components/SkuMessages.js
+++ b/src/sku/components/SkuMessages.js
@@ -85,7 +85,7 @@ export default createComponent({
     getPlaceholder(message) {
       const type = +message.multiple === 1 ? 'textarea' : message.type;
       const map = this.messageConfig.placeholderMap || {};
-      return map[type] || PLACEHOLDER[type];
+      return message.placeholder || map[type] || PLACEHOLDER[type];
     },
 
     validateMessages() {
diff --git a/src/sku/type.ts b/src/sku/type.ts
index a49b23406..59ec4cefe 100644
--- a/src/sku/type.ts
+++ b/src/sku/type.ts
@@ -39,6 +39,7 @@ export type SkuMessageData = {
   required?: string;
   datetime?: string;
   multiple?: string;
+  placeholder?: string;
 };
 
 export type SkuGoodsData = {
diff --git a/src/utils/types.ts b/src/utils/types.ts
index ab91395e2..8e1a50b65 100644
--- a/src/utils/types.ts
+++ b/src/utils/types.ts
@@ -3,9 +3,7 @@ import { InjectOptions, PropsDefinition } from 'vue/types/options';
 
 export type EventHandler = (event: Event) => void;
 
-export type ObjectIndex = {
-  [key: string]: any;
-};
+export type ObjectIndex = Record<string, any>;
 
 export type ScopedSlot<Props = any> = (props?: Props) => VNode[] | VNode | undefined;
 
@@ -22,7 +20,7 @@ export type ModelOptions = {
   event?: string;
 };
 
-export type DefaultProps = Record<string, any>;
+export type DefaultProps = ObjectIndex;
 
 export type FunctionComponent<Props = DefaultProps, PropDefs = PropsDefinition<Props>> = {
   (h: CreateElement, props: Props, slots: ScopedSlots, context: RenderContext<Props>):