From 34bc402b4e86cece4e834fe4147b21dc012d3659 Mon Sep 17 00:00:00 2001
From: Qiming <tengqim@cn.ibm.com>
Date: Tue, 9 Oct 2018 20:07:16 +0800
Subject: [PATCH] Revert "update slack link (#10536)"

This reverts commit 0d3104940a3e7fc8b3795828456ea58bea419036.