diff --git a/packages/vant/src/form/README.md b/packages/vant/src/form/README.md
index be371c514..4fc9cd3c8 100644
--- a/packages/vant/src/form/README.md
+++ b/packages/vant/src/form/README.md
@@ -515,7 +515,7 @@ export default {
 | message | Error message | _string \| (value, rule) => string_ |
 | validator | Custom validator | _(value, rule) => boolean \| string \| Promise_ |
 | pattern | Regex pattern | _RegExp_ |
-| trigger | When to validate the form, can be set to `onChange`、`onBlur` | _string_ |
+| trigger | When to validate the form, priority is higher than the `validate-trigger` of the Form component, can be set to `onChange`, `onBlur`, `onSubmit` | _string \| string[]_ |
 | formatter | Format value before validate | _(value, rule) => any_ |
 
 ### validate-trigger
diff --git a/packages/vant/src/form/README.zh-CN.md b/packages/vant/src/form/README.zh-CN.md
index dac3ced29..6b7c0b8ef 100644
--- a/packages/vant/src/form/README.zh-CN.md
+++ b/packages/vant/src/form/README.zh-CN.md
@@ -543,7 +543,7 @@ export default {
 
 ### Rule 数据结构
 
-使用 Field 的`rules`属性可以定义校验规则，可选属性如下:
+使用 Field 的 `rules` 属性可以定义校验规则，可选属性如下:
 
 | 键名 | 说明 | 类型 |
 | --- | --- | --- |
@@ -551,7 +551,7 @@ export default {
 | message | 错误提示文案 | _string \| (value, rule) => string_ |
 | validator | 通过函数进行校验 | _(value, rule) => boolean \| string \| Promise_ |
 | pattern | 通过正则表达式进行校验 | _RegExp_ |
-| trigger | 本项规则的触发时机，可选值为 `onChange`、`onBlur` | _string_ |
+| trigger | 设置本项规则的触发时机，优先级高于 Form 组件设置的 `validate-trigger` 属性，可选值为 `onChange`、`onBlur`、`onSubmit` | _string \| string[]_ |
 | formatter | 格式化函数，将表单项的值转换后进行校验 | _(value, rule) => any_ |
 
 ### validate-trigger 可选值