From ab73c19decad337a392ec638cd35719dc6c288e2 Mon Sep 17 00:00:00 2001
From: "Daniel.xiao" <danieldx666@126.com>
Date: Fri, 8 May 2020 13:42:45 +0800
Subject: [PATCH] Update CONFIG.md

---
 CONFIG.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/CONFIG.md b/CONFIG.md
index 79065a9..c33d4b1 100755
--- a/CONFIG.md
+++ b/CONFIG.md
@@ -296,9 +296,10 @@ Form item value change event
 // Demo code:
 <ncform @change="onChange"></ncform>
 
-onChange({paths, itemValue, formValue}) {
+onChange({paths, itemValue, formValue, oldItemValue}) {
   // paths: the path of the item whose value changes
   // itemValue: the latest value of the item whose value has changed
-  // formVallue: the latest value of the form
+  // formValue: the latest value of the form
+  // oldItemValue: ths old value of the item before value changed
 }
 ```