From 4718fc48547956d9166c30bd2aecbe844fc22a81 Mon Sep 17 00:00:00 2001
From: zsmj1994 <zsmj1994@gmail.com>
Date: Fri, 7 Aug 2020 17:05:29 +0800
Subject: [PATCH] =?UTF-8?q?DEC-14403=20fix:=20=E5=9C=BA=E6=99=AF=E6=B2=A1?=
 =?UTF-8?q?=E8=80=83=E8=99=91=E5=85=A8,=E5=A4=96=E9=83=A8=E4=BD=BF?=
 =?UTF-8?q?=E7=94=A8=E8=80=85=E5=A4=A7=E9=83=A8=E5=88=86=E6=A0=B9=E6=9C=AC?=
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---
 src/base/single/input/file.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/base/single/input/file.js b/src/base/single/input/file.js
index 142e6e7b7..15e642a91 100644
--- a/src/base/single/input/file.js
+++ b/src/base/single/input/file.js
@@ -413,6 +413,9 @@
      * @returns {boolean}
      */
     var fileTypeValidate = function (fileName, fileType) {
+        if (!fileType) {
+            return true;
+        }
         var mimes = fileType.split(",");
         if (mimes[0] === fileType) {
             mimes = (fileType + "").split(";");