From 21d0d51eb9edaf04f2311939d20de6202802e12c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=86=E9=9B=AA=E6=9D=BE?= <xuesong.lu.dase@gmail.com>
Date: Thu, 8 Oct 2020 14:08:11 +0800
Subject: [PATCH] Update Assignment2.md

---
 Assignment2.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Assignment2.md b/Assignment2.md
index 2c85a2d..3d50b5e 100644
--- a/Assignment2.md
+++ b/Assignment2.md
@@ -68,6 +68,12 @@ $ ssh root@你的云主机外网ip -L 32769:0.0.0.0:32769 -L 32768:0.0.0.0:32768
 $ curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun
 ```
 
+#### 如果遇到如下图所示错误，请先运行下面的命令后再重新安装docker
+```bash
+$ yum install -y https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.6-3.3.el7.x86_64.rpm
+```
+![docker错误](img/assignment2/docker错误.jpeg)
+
 #### 按照提示将自己的用户加入docker的用户组(root 用户无需操作)
 
 ```bash