diff --git a/README.md b/README.md
index 815d87e..f3fc74d 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ Execute following scripts in your shell
 ```
 export ALICLOUD_ACCESS_KEY=XXX
 export ALICLOUD_SECRET_KEY=XXX
-packer build ack-centos.json
+packer build examples/ack-centos.json
 ```
 ## Building in the kubernetes
 
diff --git a/ack-centos.json b/ack-centos.json
deleted file mode 100644
index 9b0a900..0000000
--- a/ack-centos.json
+++ /dev/null
@@ -1,38 +0,0 @@
-{
-  "variables": {
-    "region": "cn-hangzhou",
-    "image_name": "test_image{{timestamp}}",
-    "source_image": "centos_7_7_x64_20G_alibase_20200426.vhd",
-    "instance_type": "ecs.g6.large",
-    "access_key": "{{env `ALICLOUD_ACCESS_KEY`}}",
-    "secret_key": "{{env `ALICLOUD_SECRET_KEY`}}"
-  },
-  "builders": [
-    {
-      "type": "alicloud-ecs",
-      "access_key": "{{user `access_key`}}",
-      "secret_key": "{{user `secret_key`}}",
-      "region": "{{user `region`}}",
-      "image_name": "{{user `image_name`}}",
-      "source_image": "{{user `source_image`}}",
-      "ssh_username": "root",
-      "instance_type": "{{user `instance_type`}}",
-      "skip_image_validation": "true",
-      "io_optimized": "true"
-    }
-  ],
-  "provisioners": [
-    {
-      "type": "shell",
-      "scripts": [
-        "scripts/updateKernel.sh",
-        "scripts/reboot.sh",
-        "scripts/cleanUpKerneles.sh",
-        "config/default.sh",
-        "scripts/updateDNS.sh",
-        "scripts/verify.sh"
-      ],
-      "expect_disconnect": true
-    }
-  ]
-}