From 26a45e0a962b27b5d383d027d050d5e10c6e3f49 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 14:13:32 +0800
Subject: [PATCH] Update Assignment2.md

---
 Assignment2.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Assignment2.md b/Assignment2.md
index b18d0d0..70c198c 100644
--- a/Assignment2.md
+++ b/Assignment2.md
@@ -100,7 +100,9 @@ $ service docker status
            └─1954 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
 ```
 
-## **为保证试验正常进行，请根据以下步骤修改docker镜像源为ucloud**
+## **为保证试验正常进行，请根据以下步骤修改docker镜像源从默认镜像库改为ucloud镜像库**
+
+### hint：docker镜像库中包含大量可用镜像，可以直接下载到本地使用，常用的镜像库比如https://hub.docker.com/
 
 #### 1.登录`ucloud docker hub`