diff --git a/.DS_Store b/.DS_Store
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index 0000000..398e349
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diff --git a/Assignment2.md b/Assignment2.md
index 40e5c05..2eaf957 100644
--- a/Assignment2.md
+++ b/Assignment2.md
@@ -1,3 +1,5 @@
+
+
 # Assignment 2 指南
 
 ##  `******注意，实验结束请立即删除云主机，节省费用******`
@@ -79,6 +81,18 @@ $ service docker status
            └─1954 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
 ```
 
+## **强烈推荐使用阿里云和三方源加速image下载，不然接下来的实验会进行的异常痛苦**
+
+#### 讲如下内容写入`/etc/docker/daemon.json`中（没有则创建）
+
+```
+{
+    "registry-mirrors": ["https://registry.docker-cn.com","http://hub-mirror.c.163.com"]
+}
+```
+
+#### 之后重新启动`docker`即可
+
 #### b) 测试Docker是否安装成功
 
 #### 当你的按照上述步骤安装完docker之后，可以通过运行如下命令来测试docker是否安装成功
@@ -288,6 +302,6 @@ $ docker port static-site
 >
 > 1.若提示continer正在运行中，可以使用`docker stop static-site && docker rm static-site`删除正在使用的容器并重新创建.
 >
-> 2. -v local_path请使用绝对路径
+> 2.-v local_path请使用绝对路径
 
 ### 
\ No newline at end of file
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diff --git a/file/assignment2/FoodTrucks.zip b/file/assignment2/FoodTrucks.zip
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index 0000000..0f16f57
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