diff --git a/src/datetime-picker/README.md b/src/datetime-picker/README.md
index 44b5d09f2..6ef7d62be 100644
--- a/src/datetime-picker/README.md
+++ b/src/datetime-picker/README.md
@@ -256,6 +256,7 @@ export default {
 | cancel-button-text | Text of cancel button | _string_ | `Cancel` |
 | show-toolbar | Whether to show toolbar | _boolean_ | `true` |
 | loading | Whether to show loading prompt | _boolean_ | `false` |
+| readonly `v2.10.5` | Whether to be readonly | _boolean_ | `false` |
 | filter | Option filter | _(type, vals) => vals_ | - |
 | formatter | Option text formatter | _(type, val) => val_ | - |
 | columns-order `v2.9.2` | Array for ordering columns, where item can be set to<br> `year`, `month`, `day`, `hour` and `minute` | _string[]_ | - |
diff --git a/src/datetime-picker/README.zh-CN.md b/src/datetime-picker/README.zh-CN.md
index 17fb28660..713997449 100644
--- a/src/datetime-picker/README.zh-CN.md
+++ b/src/datetime-picker/README.zh-CN.md
@@ -265,6 +265,7 @@ export default {
 | cancel-button-text | 取消按钮文字 | _string_ | `取消` |
 | show-toolbar | 是否显示顶部栏 | _boolean_ | `true` |
 | loading | 是否显示加载状态 | _boolean_ | `false` |
+| readonly `v2.10.5` | 是否为只读状态，只读状态下无法切换选项 | _boolean_ | `false` |
 | filter | 选项过滤函数 | _(type, vals) => vals_ | - |
 | formatter | 选项格式化函数 | _(type, val) => val_ | - |
 | columns-order `v2.9.2` | 自定义列排序数组, 子项可选值为<br> `year`、`month`、`day`、`hour`、`minute` | _string[]_ | - |
diff --git a/src/datetime-picker/shared.js b/src/datetime-picker/shared.js
index 45ad4a273..a3f9126cc 100644
--- a/src/datetime-picker/shared.js
+++ b/src/datetime-picker/shared.js
@@ -7,6 +7,7 @@ export const sharedProps = {
   ...pickerProps,
   value: null,
   filter: Function,
+  columnsOrder: Array,
   showToolbar: {
     type: Boolean,
     default: true,
@@ -15,7 +16,6 @@ export const sharedProps = {
     type: Function,
     default: (type, value) => value,
   },
-  columnsOrder: Array,
 };
 
 export const TimePickerMixin = {
@@ -94,6 +94,7 @@ export const TimePickerMixin = {
       <Picker
         ref="picker"
         columns={this.columns}
+        readonly={this.readonly}
         onChange={this.onChange}
         onConfirm={this.onConfirm}
         onCancel={this.onCancel}