From d74f63903c731ee8fe541f0030ed45045f38cbcd Mon Sep 17 00:00:00 2001
From: Urthur <urthur@fanruan.com>
Date: Thu, 12 Oct 2017 17:30:50 +0800
Subject: [PATCH] =?UTF-8?q?=E6=97=B6=E5=88=86=E7=A7=92=E8=BE=93=E5=85=A5?=
 =?UTF-8?q?=E4=B8=8D=E5=8F=AF=E4=B8=BA=E7=A9=BA?=
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---
 src/widget/datetime/datetime.select.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/widget/datetime/datetime.select.js b/src/widget/datetime/datetime.select.js
index 4aafee21f3..4972c35e12 100644
--- a/src/widget/datetime/datetime.select.js
+++ b/src/widget/datetime/datetime.select.js
@@ -16,6 +16,7 @@ BI.DateTimeSelect = BI.inherit(BI.Widget, {
         this.editor = BI.createWidget({
             type: "bi.sign_editor",
             value: this._alertInEditorValue(o.min),
+            allowBlank: false,
             errorText: BI.i18nText("BI-Please_Input_Natural_Number"),
             validationChecker: function(v){
                 return BI.isNaturalNumber(v);