From 0aa764df51fa4f152ef42bebd662a39db888b94b Mon Sep 17 00:00:00 2001
From: tangjinzhou <415800467@qq.com>
Date: Tue, 1 Jan 2019 16:44:48 +0800
Subject: [PATCH] feat: update form ts

---
 types/form/form.d.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/types/form/form.d.ts b/types/form/form.d.ts
index 522299521..956cd2a64 100644
--- a/types/form/form.d.ts
+++ b/types/form/form.d.ts
@@ -177,6 +177,13 @@ declare interface FieldDecoratorOptions {
    * @type string
    */
   valuePropName?: string;
+
+  /**
+   * Whether to keep the information of the child node all the time.
+   * @default false
+   * @type boolean
+   */
+  preserve?: boolean;
 }
 
 export interface WrappedFormUtils {