diff --git a/Assignment2.md b/Assignment2.md
index 83852e6..eada2af 100644
--- a/Assignment2.md
+++ b/Assignment2.md
@@ -359,14 +359,14 @@ mkdir /var/html
 
 #### 到现在为止，同学可能会疑惑，这种docker的镜像到底是如何创建的呢？这里就要使用到一个概念: `Dockerfile`
 
-#### 1.从repo中下载[附件](/file/assignment2/FoodTrucks.zip)，通过`scp`命令上传到云服务器并解压
+#### 1.从repo中下载[附件](/file/assignment2/demo.zip)，通过`scp`命令上传到云服务器并解压
 
 ```bash
-$ scp FoodTrucks.zip root@113.31.112.166:~
+$ scp demo.zip root@113.31.112.166:~
 
 root@113.31.112.166's password: 
 /etc/profile.d/lang.sh: line 19: warning: setlocale: LC_CTYPE: cannot change locale (UTF-8): No such file or directory
-FoodTrucks.zip                                                   0%    0     0.0KB/s   --:-- ETAsFoodTrucks.zip                                                 100% 1097KB 488.5KB/s   00:02 
+demo.zip                                                   0%    0     0.0KB/s   --:-- ETAsFoodTrucks.zip                                                 100% 1097KB 488.5KB/s   00:02 
 
 
 $ unzip FoodTrucks.zip 
diff --git a/file/assignment2/.DS_Store b/file/assignment2/.DS_Store
index 280acd9..fc1dd6a 100644
Binary files a/file/assignment2/.DS_Store and b/file/assignment2/.DS_Store differ
diff --git a/file/assignment2/FoodTrucks.zip b/file/assignment2/FoodTrucks.zip
deleted file mode 100644
index 3bde1d9..0000000
Binary files a/file/assignment2/FoodTrucks.zip and /dev/null differ
diff --git a/file/assignment2/demo.zip b/file/assignment2/demo.zip
new file mode 100644
index 0000000..690fe5e
Binary files /dev/null and b/file/assignment2/demo.zip differ