diff --git a/builder/alicloud/ecs/builder.go b/builder/alicloud/ecs/builder.go
index af40c92fc..8650dc2d1 100644
--- a/builder/alicloud/ecs/builder.go
+++ b/builder/alicloud/ecs/builder.go
@@ -5,6 +5,7 @@ package ecs
 import (
 	"log"
 
+	"fmt"
 	"github.com/hashicorp/packer/common"
 	"github.com/hashicorp/packer/helper/communicator"
 	"github.com/hashicorp/packer/helper/config"
@@ -98,8 +99,8 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 			PrivateKeyFile:       b.config.Comm.SSHPrivateKey,
 			TemporaryKeyPairName: b.config.TemporaryKeyPairName,
 			SSHAgentAuth:         b.config.Comm.SSHAgentAuth,
-			//DebugKeyPath:          b.config.Com
-			RegionId: b.config.AlicloudRegion,
+			DebugKeyPath:         fmt.Sprintf("ecs_%s.pem", b.config.PackerBuildName),
+			RegionId:             b.config.AlicloudRegion,
 		},
 	}
 	if b.chooseNetworkType() == VpcNet {
diff --git a/builder/alicloud/ecs/step_attach_keypair.go b/builder/alicloud/ecs/step_attach_keypair.go
index 551c74cdf..a6cc01381 100644
--- a/builder/alicloud/ecs/step_attach_keypair.go
+++ b/builder/alicloud/ecs/step_attach_keypair.go
@@ -7,6 +7,7 @@ import (
 	"github.com/denverdino/aliyungo/ecs"
 	"github.com/hashicorp/packer/packer"
 	"github.com/mitchellh/multistep"
+	"time"
 )
 
 type stepAttachKeyPar struct {
@@ -21,7 +22,7 @@ func (s *stepAttachKeyPar) Run(state multistep.StateBag) multistep.StepAction {
 	client := state.Get("client").(*ecs.Client)
 	config := state.Get("config").(Config)
 	instance := state.Get("instance").(*ecs.InstanceAttributesType)
-	retry_times := 3
+	timeoutPoint := time.Now().Add(120 * time.Second)
 	for {
 		err := client.AttachKeyPair(&ecs.AttachKeyPairArgs{RegionId: common.Region(config.AlicloudRegion),
 			KeyPairName: keyPairName, InstanceIds: "[\"" + instance.InstanceId + "\"]"})
@@ -29,8 +30,8 @@ func (s *stepAttachKeyPar) Run(state multistep.StateBag) multistep.StepAction {
 			e, _ := err.(*common.Error)
 			if (!(e.Code == "MissingParameter" || e.Code == "DependencyViolation.WindowsInstance" ||
 				e.Code == "InvalidKeyPairName.NotFound" || e.Code == "InvalidRegionId.NotFound")) &&
-				retry_times > 0 {
-				retry_times = retry_times - 1
+				time.Now().Before(timeoutPoint) {
+				time.Sleep(5 * time.Second)
 				continue
 			}
 			err := fmt.Errorf("Error attaching keypair %s to instance %s : %s",
diff --git a/builder/alicloud/ecs/step_config_security_group.go b/builder/alicloud/ecs/step_config_security_group.go
index 6bfbb386a..dc8c083b2 100644
--- a/builder/alicloud/ecs/step_config_security_group.go
+++ b/builder/alicloud/ecs/step_config_security_group.go
@@ -121,12 +121,12 @@ func (s *stepConfigAlicloudSecurityGroup) Cleanup(state multistep.StateBag) {
 	ui := state.Get("ui").(packer.Ui)
 
 	message(state, "security group")
-	start := time.Now().Add(10 * time.Second)
+	timeoutPoint := time.Now().Add(120 * time.Second)
 	for {
 		if err := client.DeleteSecurityGroup(common.Region(s.RegionId), s.SecurityGroupId); err != nil {
 			e, _ := err.(*common.Error)
-			if e.Code == "DependencyViolation" && time.Now().Before(start) {
-				time.Sleep(1 * time.Second)
+			if e.Code == "DependencyViolation" && time.Now().Before(timeoutPoint) {
+				time.Sleep(5 * time.Second)
 				continue
 			}
 			ui.Error(fmt.Sprintf("Failed to delete security group, it may still be around: %s", err))
diff --git a/builder/alicloud/ecs/step_config_vpc.go b/builder/alicloud/ecs/step_config_vpc.go
index 0dce325a4..c4bdd59a3 100644
--- a/builder/alicloud/ecs/step_config_vpc.go
+++ b/builder/alicloud/ecs/step_config_vpc.go
@@ -78,13 +78,13 @@ func (s *stepConfigAlicloudVPC) Cleanup(state multistep.StateBag) {
 	ui := state.Get("ui").(packer.Ui)
 
 	message(state, "VPC")
-	start := time.Now().Add(10 * time.Second)
+	timeoutPoint := time.Now().Add(60 * time.Second)
 	for {
 		if err := client.DeleteVpc(s.VpcId); err != nil {
 			e, _ := err.(*common.Error)
 			if (e.Code == "DependencyViolation.Instance" || e.Code == "DependencyViolation.RouteEntry" ||
 				e.Code == "DependencyViolation.VSwitch" ||
-				e.Code == "DependencyViolation.SecurityGroup") && time.Now().Before(start) {
+				e.Code == "DependencyViolation.SecurityGroup") && time.Now().Before(timeoutPoint) {
 				time.Sleep(1 * time.Second)
 				continue
 			}
diff --git a/builder/alicloud/ecs/step_config_vswitch.go b/builder/alicloud/ecs/step_config_vswitch.go
index 0705fb45a..734647e07 100644
--- a/builder/alicloud/ecs/step_config_vswitch.go
+++ b/builder/alicloud/ecs/step_config_vswitch.go
@@ -130,13 +130,13 @@ func (s *stepConfigAlicloudVSwitch) Cleanup(state multistep.StateBag) {
 	client := state.Get("client").(*ecs.Client)
 	ui := state.Get("ui").(packer.Ui)
 	message(state, "vSwitch")
-	start := time.Now().Add(10 * time.Second)
+	timeoutPoint := time.Now().Add(10 * time.Second)
 	for {
 		if err := client.DeleteVSwitch(s.VSwitchId); err != nil {
 			e, _ := err.(*common.Error)
 			if (e.Code == "IncorrectVSwitchStatus" || e.Code == "DependencyViolation" ||
 				e.Code == "DependencyViolation.HaVip" ||
-				e.Code == "IncorretRouteEntryStatus") && time.Now().Before(start) {
+				e.Code == "IncorretRouteEntryStatus") && time.Now().Before(timeoutPoint) {
 				time.Sleep(1 * time.Second)
 				continue
 			}
diff --git a/examples/alicloud/basic/alicloud.json b/examples/alicloud/basic/alicloud.json
index 9c7384d98..d96cafa57 100644
--- a/examples/alicloud/basic/alicloud.json
+++ b/examples/alicloud/basic/alicloud.json
@@ -8,8 +8,8 @@
     "access_key":"{{user `access_key`}}",
     "secret_key":"{{user `secret_key`}}",
     "region":"cn-beijing",
-    "image_name":"packer_basi",
-    "source_image":"ubuntu_16_0402_64_40G_base_20170222.vhd",
+    "image_name":"packer_basic",
+    "source_image":"centos_7_2_64_40G_base_20170222.vhd",
     "ssh_username":"root",
     "instance_type":"ecs.n1.tiny",
     "io_optimized":"true"
@@ -18,7 +18,7 @@
     "type": "shell",
     "inline": [
       "sleep 30",
-      "apt-get update -yy"
+      "yum install redis.x86_64 -y"
     ]
   }]
 }
diff --git a/examples/alicloud/basic/alicloud_windows.json b/examples/alicloud/basic/alicloud_windows.json
index bb1f16773..6a530ef36 100644
--- a/examples/alicloud/basic/alicloud_windows.json
+++ b/examples/alicloud/basic/alicloud_windows.json
@@ -9,7 +9,7 @@
     "secret_key":"{{user `secret_key`}}",
     "region":"cn-beijing",
     "image_name":"packer_test",
-    "source_image":"win2012_64_datactr_r2_en_40G_alibase_20160622.vhd",
+    "source_image":"win2008r2_64_ent_sp1_zh-cn_40G_alibase_20170622.vhd",
     "instance_type":"ecs.n1.tiny",
     "io_optimized":"true",
     "image_force_delete":"true",
diff --git a/examples/alicloud/basic/alicloud_with_data_disk.json b/examples/alicloud/basic/alicloud_with_data_disk.json
index 2d99af8fb..88412d98a 100644
--- a/examples/alicloud/basic/alicloud_with_data_disk.json
+++ b/examples/alicloud/basic/alicloud_with_data_disk.json
@@ -9,7 +9,7 @@
     "secret_key":"{{user `secret_key`}}",
     "region":"cn-beijing",
     "image_name":"packer_with_data_disk",
-    "source_image":"ubuntu_16_0402_64_40G_base_20170222.vhd",
+    "source_image":"centos_7_2_64_40G_base_20170222.vhd",
     "ssh_username":"root",
     "instance_type":"ecs.n1.tiny",
     "io_optimized":"true",
@@ -19,7 +19,7 @@
     "type": "shell",
     "inline": [
       "sleep 30",
-      "apt-get update -yy"
+      "yum install redis.x86_64 -y"
     ]
   }]
 }
diff --git a/examples/alicloud/chef/alicloud.json b/examples/alicloud/chef/alicloud.json
index 8bfcfbc8b..c04e0600f 100644
--- a/examples/alicloud/chef/alicloud.json
+++ b/examples/alicloud/chef/alicloud.json
@@ -9,7 +9,7 @@
     "secret_key":"{{user `secret_key`}}",
     "region":"cn-beijing",
     "image_name":"packer_chef2",
-    "source_image":"ubuntu_14_0405_64_40G_base_20170222.vhd",
+    "source_image":"ubuntu_14_0405_64_40G_alibase_20170625.vhd",
     "ssh_username":"root",
     "instance_type":"ecs.n1.medium",
     "io_optimized":"true",
diff --git a/examples/alicloud/chef/chef.sh b/examples/alicloud/chef/chef.sh
index 6d7ecac86..6d678b7cc 100644
--- a/examples/alicloud/chef/chef.sh
+++ b/examples/alicloud/chef/chef.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+#if the related deb pkg not found, please replace with it other avaiable repository url
 HOSTNAME=`ifconfig eth1|grep 'inet addr'|cut -d ":" -f2|cut -d " " -f1`
 if [ not $HOSTNAME ] ; then
     HOSTNAME=`ifconfig eth0|grep 'inet addr'|cut -d ":" -f2|cut -d " " -f1`
diff --git a/examples/alicloud/jenkins/alicloud.json b/examples/alicloud/jenkins/alicloud.json
new file mode 100644
index 000000000..481c39b0a
--- /dev/null
+++ b/examples/alicloud/jenkins/alicloud.json
@@ -0,0 +1,31 @@
+{
+  "variables": {
+    "access_key": "{{env `ALICLOUD_ACCESS_KEY`}}",
+    "secret_key": "{{env `ALICLOUD_SECRET_KEY`}}"
+  },
+  "builders": [{
+    "type":"alicloud-ecs",
+    "access_key":"{{user `access_key`}}",
+    "secret_key":"{{user `secret_key`}}",
+    "region":"cn-beijing",
+    "image_name":"packer_jenkins",
+    "source_image":"ubuntu_14_0405_64_40G_alibase_20170625.vhd",
+    "ssh_username":"root",
+    "instance_type":"ecs.n1.medium",
+    "io_optimized":"true",
+    "image_force_delete":"true",
+    "ssh_password":"Test12345"
+  }],
+  "provisioners": [{
+    "type": "file",
+    "source": "examples/alicloud/jenkins/jenkins.sh",
+    "destination": "/root/"	
+   },{
+    "type": "shell",
+    "inline": [
+	"cd /root/",
+    "chmod 755 jenkins.sh",
+	"./jenkins.sh"
+    ]
+  }]
+}
diff --git a/examples/alicloud/jenkins/jenkins.sh b/examples/alicloud/jenkins/jenkins.sh
new file mode 100644
index 000000000..af3eb51a3
--- /dev/null
+++ b/examples/alicloud/jenkins/jenkins.sh
@@ -0,0 +1,48 @@
+#!/bin/sh
+
+JENKINS_URL='http://mirrors.jenkins.io/war-stable/2.32.2/jenkins.war'
+
+TOMCAT_VERSION='7.0.77'
+TOMCAT_NAME="apache-tomcat-$TOMCAT_VERSION"
+TOMCAT_PACKAGE="$TOMCAT_NAME.tar.gz"
+TOMCAT_URL="http://mirror.bit.edu.cn/apache/tomcat/tomcat-7/v$TOMCAT_VERSION/bin/$TOMCAT_PACKAGE"
+TOMCAT_PATH="/opt/$TOMCAT_NAME"
+
+#install jdk
+if grep -Eqi "Ubuntu|Debian|Raspbian" /etc/issue || grep -Eq "Ubuntu|Debian|Raspbian" /etc/*-release; then
+        sudo apt-get update -y
+        sudo apt-get install -y openjdk-7-jdk
+elif grep -Eqi "CentOS|Fedora|Red Hat Enterprise Linux Server" /etc/issue || grep -Eq "CentOS|Fedora|Red Hat Enterprise Linux Server" /etc/*-release; then
+        sudo yum update -y
+        sudo yum install -y openjdk-7-jdk
+else
+        echo "Unknown OS type."
+fi
+
+#install jenkins server
+mkdir ~/work
+cd ~/work
+
+#install tomcat
+wget $TOMCAT_URL
+tar -zxvf $TOMCAT_PACKAGE
+mv $TOMCAT_NAME /opt
+
+#install
+wget $JENKINS_URL
+mv jenkins.war $TOMCAT_PATH/webapps/
+
+#set emvironment
+echo "TOMCAT_PATH=\"$TOMCAT_PATH\"">>/etc/profile
+echo "JENKINS_HOME=\"$TOMCAT_PATH/webapps/jenkins\"">>/etc/profile
+echo PATH="\"\$PATH:\$TOMCAT_PATH:\$JENKINS_HOME\"">>/etc/profile
+. /etc/profile
+
+#start tomcat & jenkins
+$TOMCAT_PATH/bin/startup.sh
+
+#set start on boot
+sed -i "/#!\/bin\/sh/a$TOMCAT_PATH/bin/startup.sh" /etc/rc.local
+
+#clean
+rm -rf ~/work
diff --git a/examples/alicloud/local/centos.json b/examples/alicloud/local/centos.json
new file mode 100644
index 000000000..45c19b3dc
--- /dev/null
+++ b/examples/alicloud/local/centos.json
@@ -0,0 +1,60 @@
+{"variables": {
+    "box_basename": "centos-6.8",
+    "build_timestamp": "{{isotime \"20060102150405\"}}",
+    "cpus": "1",
+    "disk_size": "4096",
+    "git_revision": "__unknown_git_revision__",
+    "headless": "",
+    "http_proxy": "{{env `http_proxy`}}",
+    "https_proxy": "{{env `https_proxy`}}",
+    "iso_checksum": "0ca12fe5f28c2ceed4f4084b41ff8a0b",
+    "iso_checksum_type": "md5",
+    "iso_name": "CentOS-6.8-x86_64-minimal.iso",
+    "ks_path": "centos-6.8/ks.cfg",
+    "memory": "512",
+    "metadata": "floppy/dummy_metadata.json",
+    "mirror": "http://mirrors.aliyun.com/centos",
+    "mirror_directory": "6.8/isos/x86_64",
+    "name": "centos-6.8",
+    "no_proxy": "{{env `no_proxy`}}",
+    "template": "centos-6.8-x86_64",
+    "version": "2.1.TIMESTAMP"
+  },
+  "builders":[
+    {
+      "boot_command": [
+        "<tab> text ks=http://{{ .HTTPIP }}:{{ .HTTPPort }}/{{user `ks_path`}}<enter><wait>"
+      ],
+      "boot_wait": "10s",
+      "disk_size": "{{user `disk_size`}}",
+      "headless": "{{ user `headless` }}",
+      "http_directory": "http",
+      "iso_checksum": "{{user `iso_checksum`}}",
+      "iso_checksum_type": "{{user `iso_checksum_type`}}",
+      "iso_url": "{{user `mirror`}}/{{user `mirror_directory`}}/{{user `iso_name`}}",
+      "output_directory": "packer-{{user `template`}}-qemu",
+      "shutdown_command": "echo 'vagrant'|sudo -S /sbin/halt -h -p",
+      "ssh_password": "vagrant",
+      "ssh_port": 22,
+      "ssh_username": "root",
+      "ssh_wait_timeout": "10000s",
+      "type": "qemu",
+      "vm_name": "{{ user `template` }}.raw",      
+      "net_device": "virtio-net",
+      "disk_interface": "virtio",
+      "format": "raw"
+    }
+  ],
+"post-processors":[
+    {
+      "type":"alicloud-import",
+      "oss_bucket_name": "packer",
+      "image_name": "packer_import",
+      "image_os_type": "linux",
+      "image_platform": "CentOS",
+      "image_architecture": "x86_64",
+      "image_system_size": "40",
+      "region":"cn-beijing"
+    }
+  ]
+}
diff --git a/examples/alicloud/local/http/centos-6.8/ks.cfg b/examples/alicloud/local/http/centos-6.8/ks.cfg
new file mode 100644
index 000000000..90864b006
--- /dev/null
+++ b/examples/alicloud/local/http/centos-6.8/ks.cfg
@@ -0,0 +1,69 @@
+install
+cdrom
+lang en_US.UTF-8
+keyboard us
+network --bootproto=dhcp
+rootpw vagrant
+firewall --disabled
+selinux --permissive
+timezone UTC
+unsupported_hardware
+bootloader --location=mbr
+text
+skipx
+zerombr
+clearpart --all --initlabel
+autopart
+auth --enableshadow --passalgo=sha512 --kickstart
+firstboot --disabled
+reboot
+user --name=vagrant --plaintext --password vagrant
+key --skip
+
+%packages --nobase --ignoremissing --excludedocs
+# vagrant needs this to copy initial files via scp
+openssh-clients
+sudo
+kernel-headers
+kernel-devel
+gcc
+make
+perl
+wget
+nfs-utils
+-fprintd-pam
+-intltool
+
+# unnecessary firmware
+-aic94xx-firmware
+-atmel-firmware
+-b43-openfwwf
+-bfa-firmware
+-ipw2100-firmware
+-ipw2200-firmware
+-ivtv-firmware
+-iwl100-firmware
+-iwl1000-firmware
+-iwl3945-firmware
+-iwl4965-firmware
+-iwl5000-firmware
+-iwl5150-firmware
+-iwl6000-firmware
+-iwl6000g2a-firmware
+-iwl6050-firmware
+-libertas-usb8388-firmware
+-ql2100-firmware
+-ql2200-firmware
+-ql23xx-firmware
+-ql2400-firmware
+-ql2500-firmware
+-rt61pci-firmware
+-rt73usb-firmware
+-xorg-x11-drv-ati-firmware
+-zd1211-firmware
+
+%post
+# Force to set SELinux to a permissive mode
+sed -i -e 's/\(^SELINUX=\).*$/\1permissive/' /etc/selinux/config
+# sudo
+echo "%vagrant ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers.d/vagrant