From c254b3d07308ac0af03ae720dde66e67dddb9a99 Mon Sep 17 00:00:00 2001
From: jm <zzyifan@126.com>
Date: Sun, 29 Nov 2020 18:25:41 +0800
Subject: [PATCH] =?UTF-8?q?fix(datetime-picker):=20=E4=BF=AE=E5=A4=8Dyear-?=
 =?UTF-8?q?month=20=E9=80=89=E6=8B=A9=E5=AD=97=E6=AE=B5=E6=A0=A1=E9=AA=8C?=
 =?UTF-8?q?=E6=8A=A5=E9=94=99=20(#3783)?=
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---
 packages/datetime-picker/index.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/datetime-picker/index.ts b/packages/datetime-picker/index.ts
index 88951b2a..b9f9daaf 100644
--- a/packages/datetime-picker/index.ts
+++ b/packages/datetime-picker/index.ts
@@ -27,6 +27,9 @@ function times(n: number, iteratee: (index: number) => string): string[] {
 }
 
 function getTrueValue(formattedValue: string) {
+  if (formattedValue === undefined) {
+    formattedValue = '1';
+  }
   while (isNaN(parseInt(formattedValue, 10))) {
     formattedValue = formattedValue.slice(1);
   }