diff --git a/package/component/src/component/datePicker/index.vue b/package/component/src/component/datePicker/index.vue
index 7fe9d3f1..a24085f6 100644
--- a/package/component/src/component/datePicker/index.vue
+++ b/package/component/src/component/datePicker/index.vue
@@ -11,7 +11,7 @@
       <lay-input
         :name="name"
         :readonly="readonly"
-        v-model="(dateValue as string)"
+        v-model="dateValue"
         :placeholder="placeholder"
         prefix-icon="layui-icon-date"
         :disabled="disabled"
diff --git a/package/component/src/component/switch/index.less b/package/component/src/component/switch/index.less
index 71d700af..91e5ab65 100644
--- a/package/component/src/component/switch/index.less
+++ b/package/component/src/component/switch/index.less
@@ -1,12 +1,12 @@
-@lg: 28px;
+@lg: 24px;
 @md: 22px;
-@sm: 16px;
-@xs: 13px;
+@sm: 20px;
+@xs: 18px;
 
-@lg-min-width: 55px;
-@md-min-width: 35px;
-@sm-min-width: 26px;
-@xs-min-width: 20px;
+@lg-min-width: 42px;
+@md-min-width: 37px;
+@sm-min-width: 32px;
+@xs-min-width: 27px;
 
 .set-size(@size, @min-width) {
   & {
diff --git a/package/component/src/provider/index.vue b/package/component/src/provider/index.vue
index 5c0f72a1..92862c11 100644
--- a/package/component/src/provider/index.vue
+++ b/package/component/src/provider/index.vue
@@ -130,5 +130,5 @@ watch(
 </script>
 
 <template>
-    <slot></slot>
+  <slot></slot>
 </template>
diff --git a/package/document-component/src/document/zh-CN/components/datePicker.md b/package/document-component/src/document/zh-CN/components/datePicker.md
index 1b6b8fb8..b3e806dc 100644
--- a/package/document-component/src/document/zh-CN/components/datePicker.md
+++ b/package/document-component/src/document/zh-CN/components/datePicker.md
@@ -49,7 +49,7 @@ import { ref } from 'vue'
 export default {
   setup() {
 
-   const endTime2 = ref("2022-03-04 17:35:00");
+   const endTime2 = ref("2022-06-04 17:35:00");
 
     return {
       endTime2
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 0b89991d..c2e31afb 100644
--- a/package/document-component/src/document/zh-CN/guide/changelog.md
+++ b/package/document-component/src/document/zh-CN/guide/changelog.md
@@ -29,6 +29,7 @@
           <li>[新增] date-picker 组件 年月日 范围选择, 重构代码。</li>
           <li>[新增] date-picker 组件 allow-clear 属性, 开启内容清空操作。</li>
           <li>[新增] date-picker 组件 readonly 属性, 开启只读模式。</li>
+          <li>[新增] switch 组件 size 属性, 用于设置 switch 尺寸。</li>
           <li>[修复] date-picker 组件 modelValue 属性, 空值报错。</li>
           <li>[修复] input-number 组件 size 属性, lg md sm xs 为可选值。</li>
           <li>[修复] input-number 组件 size 属性, 默认值为 md。</li>
diff --git a/package/document-component/src/view/index.vue b/package/document-component/src/view/index.vue
index c5126645..49511c36 100644
--- a/package/document-component/src/view/index.vue
+++ b/package/document-component/src/view/index.vue
@@ -347,4 +347,4 @@ body {
   font-size: 13.6px;
   background: #f9f9f9;
 }
-</style>
\ No newline at end of file
+</style>