diff --git a/website/docs/en-US/time-picker.md b/website/docs/en-US/time-picker.md
index 2c735bdf19..8f28a78efb 100644
--- a/website/docs/en-US/time-picker.md
+++ b/website/docs/en-US/time-picker.md
@@ -120,6 +120,7 @@ Can pick an arbitrary time range.
 | align | alignment | left / center / right | left |
 | popper-class | custom class name for TimePicker's dropdown | string | — | — |
 | range-separator | range separator | string | - | '-' |
+| format | format of the displayed value in the input box | string | see [date formats](#/en-US/component/date-picker#date-formats) | HH:mm:ss |
 | default-value | optional, default date of the calendar | Date for TimePicker, string for TimeSelect | anything accepted by `new Date()` for TimePicker, selectable value for TimeSelect | — |
 | name | same as `name` in native input | string | — | — |
 | prefix-icon | Custom prefix icon class | string | — | el-icon-time |
diff --git a/website/docs/es/time-picker.md b/website/docs/es/time-picker.md
index 4848cc7da9..ec1f88c1be 100644
--- a/website/docs/es/time-picker.md
+++ b/website/docs/es/time-picker.md
@@ -120,6 +120,7 @@ Es posible escoger un rango de tiempo arbitrario.
 | align             | alineación                               | left / center / right                    | left                                     |                      |
 | popper-class      | nombre de clase personalizada para el dropdown del Time Picker | string                                   | —                                        | —                    |
 | range-separator   | separador de rango                       | string                                   | -                                        | '-'                  |
+| format | format of the displayed value in the input box | string | see [date formats](#/en-US/component/date-picker#date-formats) | HH:mm:ss |
 | default-value     | opcional, fecha por defecto del calendario | Fecha para Selector de Tiempo, string para el Seleccionador de Tiempo | cualquier cosa aceptada por `new Date()` para el Selector de Tiempo,  Selector de Tiempo, valor seleccionable para el Seleccionador de Tiempo | —                    |
 | name              | como `name` en input nativo              | string                                   | —                                        | —                    |
 | prefix-icon       | Clase personalizada para el icono de prefijado | string                                   | —                                        | el-icon-time         |
diff --git a/website/docs/fr-FR/time-picker.md b/website/docs/fr-FR/time-picker.md
index f5b41de851..c1e856d7cf 100644
--- a/website/docs/fr-FR/time-picker.md
+++ b/website/docs/fr-FR/time-picker.md
@@ -121,6 +121,7 @@ Vous pouvez également définir un intervalle libre.
 | align | Alignement. | left / center / right | left |
 | popper-class | Classe du menu du TimePicker. | string | — | — |
 | range-separator | Séparateur d'intervalle. | string | - | '-' |
+| format | format of the displayed value in the input box | string | see [date formats](#/en-US/component/date-picker#date-formats) | HH:mm:ss |
 | default-value | Optionnel, date d'aujourd'hui par défaut. | `Date` pour le TimePicker, `string` pour le TimeSelect | Toute valeur acceptée par `new Date()` pour le TimePicker, une valeur sélectionnable pour TimeSelect. | — |
 | name | Attribut `name` natif de l'input. | string | — | — |
 | prefix-icon | Classe de l'icône de préfixe. | string | — | el-icon-time |
diff --git a/website/docs/jp/time-picker.md b/website/docs/jp/time-picker.md
index 80ff26f5bf..717cbe2a52 100644
--- a/website/docs/jp/time-picker.md
+++ b/website/docs/jp/time-picker.md
@@ -120,6 +120,7 @@
 | align | 整列 | left / center / right | left |
 | popper-class | タイムピッカーのドロップダウンのカスタムクラス名 | string | — | — |
 | range-separator | 範囲セパレータ | string | - | '-' |
+| format | format of the displayed value in the input box | string | see [date formats](#/en-US/component/date-picker#date-formats) | HH:mm:ss |
 | default-value | オプション、カレンダーのデフォルトの日付 | Date for TimePicker, string for TimeSelect | anything accepted by `new Date()` for TimePicker, selectable value for TimeSelect | — |
 | name | ネイティブ入力の `name` と同じ | string | — | — |
 | prefix-icon | カスタムプレフィックスアイコンクラス | string | — | el-icon-time |
diff --git a/website/docs/zh-CN/time-picker.md b/website/docs/zh-CN/time-picker.md
index 228adc26e9..dddf319b26 100644
--- a/website/docs/zh-CN/time-picker.md
+++ b/website/docs/zh-CN/time-picker.md
@@ -121,7 +121,7 @@
 | align | 对齐方式 | string | left / center / right | left |
 | popper-class | TimePicker 下拉框的类名 | string | — | — |
 | range-separator | 选择范围时的分隔符 | string | - | '-' |
-| string | 见[日期格式](#/zh-CN/component/date-picker#ri-qi-ge-shi) | — |
+| format | 显示在输入框中的格式 | string | 见[日期格式](#/zh-CN/component/date-picker#ri-qi-ge-shi) | HH:mm:ss |
 | default-value | 可选，选择器打开时默认显示的时间 | Date(TimePicker) / string(TimeSelect) | 可被`new Date()`解析(TimePicker) / 可选值(TimeSelect) | — |
 | name | 原生属性 | string | — | — |
 | prefix-icon | 自定义头部图标的类名 | string | — | el-icon-time |