From 0c3aad521c1de9a0384851372500fdc1e6cda7ff Mon Sep 17 00:00:00 2001
From: windy <1374721899@qq.com>
Date: Thu, 20 Feb 2020 20:55:00 +0800
Subject: [PATCH] =?UTF-8?q?=E6=97=A0JIRA=E4=BB=BB=E5=8A=A1=20=E4=B8=8D?=
 =?UTF-8?q?=E5=88=A4=E6=96=ADIE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/core/base.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/base.js b/src/core/base.js
index 1f042b1d7..6d326cea1 100644
--- a/src/core/base.js
+++ b/src/core/base.js
@@ -690,7 +690,7 @@ if (!_global.BI) {
                 timerFunc = function timerFunc() {
                     p.then(nextTickHandler);
                 };
-            } else if (!BI.isIE() && typeof MutationObserver !== "undefined") {
+            } else if (typeof MutationObserver !== "undefined") {
                 var counter = 1;
                 var observer = new MutationObserver(nextTickHandler);
                 var textNode = document.createTextNode(String(counter));