diff --git a/spug_web/src/pages/deploy/app/Ext1Setup2.js b/spug_web/src/pages/deploy/app/Ext1Setup2.js
index b686c48..3ab6ce9 100644
--- a/spug_web/src/pages/deploy/app/Ext1Setup2.js
+++ b/spug_web/src/pages/deploy/app/Ext1Setup2.js
@@ -6,22 +6,16 @@
 import React from 'react';
 import { observer } from 'mobx-react';
 import { QuestionCircleOutlined } from '@ant-design/icons';
-import { Form, Radio, Button, Tooltip } from "antd";
+import { Form, Radio, Button, Tooltip } from 'antd';
 import { cleanCommand } from 'libs';
 import Editor from 'react-ace';
 import 'ace-builds/src-noconflict/mode-text';
 import 'ace-builds/src-noconflict/mode-sh';
 import 'ace-builds/src-noconflict/theme-tomorrow';
+import Tips from './Tips';
 import store from './store';
 
 export default observer(function () {
-  const Tips = (
-    <a
-      target="_blank"
-      rel="noopener noreferrer"
-      href="https://spug.cc/docs/deploy-config/#%E5%85%A8%E5%B1%80%E5%8F%98%E9%87%8F">内置全局变量</a>
-  )
-
   function handleNext() {
     store.page += 1
   }
@@ -66,7 +60,7 @@ export default observer(function () {
       <Form.Item
         label="代码检出前执行"
         tooltip="在运行 Spug 的服务器(或容器)上执行，当前目录为仓库源代码目录，可以执行任意自定义命令。"
-        help={<span>可使用 {Tips}，请避免在此修改已跟踪的文件，防止在检出代码时失败。</span>}>
+        help={<span>{Tips}，请避免在此修改已跟踪的文件，防止在检出代码时失败。</span>}>
         <Editor
           readOnly={store.isReadOnly}
           mode="sh"
@@ -82,7 +76,7 @@ export default observer(function () {
         label="代码检出后执行"
         style={{marginTop: 12, marginBottom: 24}}
         tooltip="在运行 Spug 的服务器(或容器)上执行，当前目录为检出后的源代码目录，可执行任意自定义命令。"
-        help={<span>可使用 {Tips}，大多数情况下在此进行构建操作。</span>}>
+        help={<span>{Tips}，大多数情况下在此进行构建操作。</span>}>
         <Editor
           readOnly={store.isReadOnly}
           mode="sh"
diff --git a/spug_web/src/pages/deploy/app/Ext1Setup3.js b/spug_web/src/pages/deploy/app/Ext1Setup3.js
index 97d5db2..6d45ebb 100644
--- a/spug_web/src/pages/deploy/app/Ext1Setup3.js
+++ b/spug_web/src/pages/deploy/app/Ext1Setup3.js
@@ -11,16 +11,11 @@ import 'ace-builds/src-noconflict/mode-text';
 import 'ace-builds/src-noconflict/mode-sh';
 import 'ace-builds/src-noconflict/theme-tomorrow';
 import { http, cleanCommand } from 'libs';
+import Tips from './Tips';
 import store from './store';
 
 export default observer(function () {
   const [loading, setLoading] = useState(false);
-  const Tips = (
-    <a
-      target="_blank"
-      rel="noopener noreferrer"
-      href="https://spug.cc/docs/deploy-config/#%E5%85%A8%E5%B1%80%E5%8F%98%E9%87%8F">内置全局变量</a>
-  )
 
   function handleSubmit() {
     const {dst_dir, dst_repo} = store.deploy;
@@ -60,7 +55,7 @@ export default observer(function () {
       <Form.Item
         label="应用发布前执行"
         tooltip="在发布的目标主机上运行，当前目录为目标主机上待发布的源代码目录，可执行任意自定义命令。"
-        help={<span>可使用 {Tips}，此时还未进行文件变更，可进行一些发布前置操作。</span>}>
+        help={<span>{Tips}，此时还未进行文件变更，可进行一些发布前置操作。</span>}>
         <Editor
           readOnly={store.isReadOnly}
           mode="sh"
@@ -76,7 +71,7 @@ export default observer(function () {
         label="应用发布后执行"
         style={{marginTop: 12, marginBottom: 24}}
         tooltip="在发布的目标主机上运行，当前目录为已发布的应用目录，可执行任意自定义命令。"
-        help={<span>可使用 {Tips}，可以在发布后进行重启服务等操作。</span>}>
+        help={<span>{Tips}，可以在发布后进行重启服务等操作。</span>}>
         <Editor
           readOnly={store.isReadOnly}
           mode="sh"
diff --git a/spug_web/src/pages/deploy/app/Ext2Setup1.js b/spug_web/src/pages/deploy/app/Ext2Setup1.js
index 070e7b1..ac329ca 100644
--- a/spug_web/src/pages/deploy/app/Ext2Setup1.js
+++ b/spug_web/src/pages/deploy/app/Ext2Setup1.js
@@ -89,7 +89,7 @@ export default observer(function Ext2Setup1() {
       <Form.Item wrapperCol={{span: 14, offset: 6}}>
         <Button
           type="primary"
-          disabled={!info.env_id}
+          disabled={!(info.env_id && info.host_ids.length)}
           onClick={() => store.page += 1}>下一步</Button>
       </Form.Item>
       <Selector
diff --git a/spug_web/src/pages/deploy/app/Ext2Setup2.js b/spug_web/src/pages/deploy/app/Ext2Setup2.js
index 4026126..3437640 100644
--- a/spug_web/src/pages/deploy/app/Ext2Setup2.js
+++ b/spug_web/src/pages/deploy/app/Ext2Setup2.js
@@ -12,6 +12,7 @@ import 'ace-builds/src-noconflict/mode-sh';
 import 'ace-builds/src-noconflict/theme-tomorrow';
 import styles from './index.module.css';
 import { http, cleanCommand } from 'libs';
+import Tips from './Tips';
 import store from './store';
 import lds from 'lodash';
 
@@ -59,7 +60,8 @@ class Ext2Setup2 extends React.Component {
             description={[
               <p key={1}>Spug 将遵循先本地后目标主机的原则，按照顺序依次执行添加的动作，例如：本地动作1 -> 本地动作2 -> 目标主机动作1 -> 目标主机动作2 ...</p>,
               <p key={2}>执行的命令内可以使用发布申请中设置的环境变量 SPUG_RELEASE，一般可用于标记一次发布的版本号或提交ID等，在执行的脚本内通过使用 $SPUG_RELEASE
-                获取其值来执行相应操作。</p>
+                获取其值来执行相应操作。</p>,
+              <p key={3}>{Tips}。</p>
             ]}/>
         )}
         {server_actions.map((item, index) => (
@@ -180,7 +182,7 @@ class Ext2Setup2 extends React.Component {
             </Button>
           </Form.Item>
         )}
-        <Form.Item wrapperCol={{span: 14, offset: 6}}>
+        <Form.Item wrapperCol={{span: 14, offset: 6}} style={{marginTop: 24}}>
           <Button
             type="primary"
             disabled={store.isReadOnly || [...host_actions, ...server_actions].filter(x => x.title && x.data).length === 0}
diff --git a/spug_web/src/pages/deploy/app/Tips.js b/spug_web/src/pages/deploy/app/Tips.js
new file mode 100644
index 0000000..e59fbfa
--- /dev/null
+++ b/spug_web/src/pages/deploy/app/Tips.js
@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) OpenSpug Organization. https://github.com/openspug/spug
+ * Copyright (c) <spug.dev@gmail.com>
+ * Released under the AGPL-3.0 License.
+ */
+import React from 'react';
+import { Tooltip } from 'antd';
+
+const Tips1 = (
+  <a
+    target="_blank"
+    rel="noopener noreferrer"
+    href="https://spug.cc/docs/deploy-config/#%E5%85%A8%E5%B1%80%E5%8F%98%E9%87%8F">内置全局变量</a>
+)
+
+const Tips2 = (
+  <Tooltip title="配置中心应用的配置将会以 _SPUG_标识符_Key 方式组合成环境变量，可通过执行 env | grep SPUG 来查看所有的内置的和配置中心的可使用变量。">
+    <span style={{color: '#1890ff'}}>配置中心的配置变量</span>
+  </Tooltip>
+)
+
+export default (
+  <span>可使用 {Tips1} 和 {Tips2}</span>
+)
\ No newline at end of file