diff --git a/db/TDesign.db b/db/TDesign.db
index 51a96c327..dd85b1927 100644
Binary files a/db/TDesign.db and b/db/TDesign.db differ
diff --git a/packages/products/tdesign-miniprogram/src/cascader/README.en-US.md b/packages/products/tdesign-miniprogram/src/cascader/README.en-US.md
index 69b7fff72..2018762c6 100644
--- a/packages/products/tdesign-miniprogram/src/cascader/README.en-US.md
+++ b/packages/products/tdesign-miniprogram/src/cascader/README.en-US.md
@@ -8,7 +8,7 @@ name | type | default | description | required
 close-btn | Boolean / Slot | true | [see more ts definition](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N
 keys | Object | - | Typescript：`KeysType`。[see more ts definition](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N
 options | Array | [] | Typescript：`Array<CascaderOption>` | N
-placeholder | String / Slot | - | [see more ts definition](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N
+placeholder | String / Slot | 选择选项 | [see more ts definition](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N
 sub-titles | Array | [] | Typescript：`Array<string>` | N
 theme | String | step | options: step/tab | N
 title | String / Slot | - | [see more ts definition](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N
diff --git a/packages/products/tdesign-miniprogram/src/cascader/README.md b/packages/products/tdesign-miniprogram/src/cascader/README.md
index 697de41a6..f399cf77c 100644
--- a/packages/products/tdesign-miniprogram/src/cascader/README.md
+++ b/packages/products/tdesign-miniprogram/src/cascader/README.md
@@ -8,7 +8,7 @@
 close-btn | Boolean / Slot | true | 关闭按钮。[通用类型定义](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N
 keys | Object | - | 用来定义 value / label 在 `options` 中对应的字段别名。TS 类型：`KeysType`。[通用类型定义](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N
 options | Array | [] | 可选项数据源。TS 类型：`Array<CascaderOption>` | N
-placeholder | String / Slot | - | 未选中时的提示文案。[通用类型定义](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N
+placeholder | String / Slot | 选择选项 | 未选中时的提示文案。[通用类型定义](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N
 sub-titles | Array | [] | 每级展示的次标题。TS 类型：`Array<string>` | N
 theme | String | step | 展示风格。可选项：step/tab | N
 title | String / Slot | - | 标题。[通用类型定义](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N
diff --git a/packages/products/tdesign-mobile-vue/src/cascader/cascader.en-US.md b/packages/products/tdesign-mobile-vue/src/cascader/cascader.en-US.md
index ec2cb920d..fa906da34 100644
--- a/packages/products/tdesign-mobile-vue/src/cascader/cascader.en-US.md
+++ b/packages/products/tdesign-mobile-vue/src/cascader/cascader.en-US.md
@@ -1,16 +1,15 @@
 :: BASE_DOC ::
 
 ## API
-
 ### Cascader Props
 
 name | type | default | description | required
 -- | -- | -- | -- | --
+checkStrictly | Boolean | false | \- | N
 closeBtn | Boolean / Slot / Function | true | Typescript：`boolean \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
 keys | Object | - | Typescript：`KeysType`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
-lazy | Boolean | false | \- | N
-loadCompleted | Boolean | false | \- | N
 options | Array | [] | Typescript：`Array<CascaderOption>` | N
+placeholder | String / Slot / Function | 选择选项 | Typescript：`string \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
 subTitles | Array | [] | Typescript：`Array<string>` | N
 theme | String | step | options: step/tab | N
 title | String / Slot / Function | - | Typescript：`string \| TNode`。[see more ts definition](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
diff --git a/packages/products/tdesign-mobile-vue/src/cascader/cascader.md b/packages/products/tdesign-mobile-vue/src/cascader/cascader.md
index 897d9d28b..1d6e5ff3f 100644
--- a/packages/products/tdesign-mobile-vue/src/cascader/cascader.md
+++ b/packages/products/tdesign-mobile-vue/src/cascader/cascader.md
@@ -1,16 +1,15 @@
 :: BASE_DOC ::
 
 ## API
-
 ### Cascader Props
 
 名称 | 类型 | 默认值 | 说明 | 必传
 -- | -- | -- | -- | --
+checkStrictly | Boolean | false | 父子节点选中状态不再关联，可各自选中或取消 | N
 closeBtn | Boolean / Slot / Function | true | 关闭按钮。TS 类型：`boolean \| TNode`。[通用类型定义](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
 keys | Object | - | 用来定义 value / label 在 `options` 中对应的字段别名。TS 类型：`KeysType`。[通用类型定义](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
-lazy | Boolean | false | 是否异步加载 | N
-loadCompleted | Boolean | false | 是否完成异步加载 | N
 options | Array | [] | 可选项数据源。TS 类型：`Array<CascaderOption>` | N
+placeholder | String / Slot / Function | 选择选项 | 未选中时的提示文案。TS 类型：`string \| TNode`。[通用类型定义](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
 subTitles | Array | [] | 每级展示的次标题。TS 类型：`Array<string>` | N
 theme | String | step | 展示风格。可选项：step/tab | N
 title | String / Slot / Function | - | 标题。TS 类型：`string \| TNode`。[通用类型定义](https://github.com/Tencent/tdesign-mobile-vue/blob/develop/src/common.ts) | N
diff --git a/packages/scripts/api.json b/packages/scripts/api.json
index 924ec5aa3..9690f6a51 100644
--- a/packages/scripts/api.json
+++ b/packages/scripts/api.json
@@ -18437,7 +18437,7 @@
         "1",
         "64"
       ],
-      "field_default_value": "",
+      "field_default_value": "选择选项",
       "field_enum": "",
       "field_desc_zh": "未选中时的提示文案",
       "field_desc_en": null,