diff --git a/.prettierrc.json b/.prettierrc.json
index 1f9ad4c..a4a3eb3 100644
--- a/.prettierrc.json
+++ b/.prettierrc.json
@@ -2,5 +2,6 @@
   "tabWidth": 2,
   "singleQuote": true,
   "semi": false,
-  "jsxSingleQuote": true
+  "jsxSingleQuote": true,
+  "trailingComma": "none"
 }
diff --git a/lib/commands/deploy.js b/lib/commands/deploy.js
index ba44e20..a1d49e7 100644
--- a/lib/commands/deploy.js
+++ b/lib/commands/deploy.js
@@ -9,20 +9,23 @@ const {
   log,
   succeed,
   error,
-  underline,
+  underline
 } = require('../utils')
 
 const ssh = new NodeSSH()
 const maxBuffer = 5000 * 1024
 
+// 任务列表
+let taskList
+
 // 是否确认部署
 const confirmDeploy = (message) => {
   return inquirer.prompt([
     {
       type: 'confirm',
       name: 'confirm',
-      message,
-    },
+      message
+    }
   ])
 }
 
@@ -34,30 +37,46 @@ const checkEnvCorrect = (config, env) => {
     'host',
     'port',
     'username',
-    'password',
     'distPath',
-    'webDir',
+    'webDir'
   ]
 
-  if (config) {
+  if (
+    config &&
+    (function () {
+      const { privateKey, password } = config
+      if (!privateKey && !password) {
+        error(
+          `配置错误: 请配置 ${underline('privateKey')} 或 ${underline(
+            'passwrod'
+          )}`
+        )
+        process.exit(1)
+      }
+      return true
+    })()
+  ) {
     keys.forEach((key) => {
       if (!config[key] || config[key] === '/') {
         error(
-          `${underline(`${env}环境`)} ${underline(`${key}属性`)} 配置不正确`
+          `配置错误: ${underline(`${env}环境`)} ${underline(
+            `${key}属性`
+          )} 配置不正确`
         )
         process.exit(1)
       }
     })
   } else {
-    error(`未指定部署环境或指定部署环境不存在`)
+    error('配置错误: 未指定部署环境或指定部署环境不存在')
     process.exit(1)
   }
 }
 
 // 执行打包脚本
-const execBuild = async (script) => {
+const execBuild = async (config, index) => {
   try {
-    log(`(1) ${script}`)
+    const { script } = config
+    log(`(${index}) ${script}`)
     const spinner = ora('正在打包中\n')
 
     spinner.start()
@@ -85,9 +104,9 @@ const execBuild = async (script) => {
 }
 
 // 连接ssh
-const connectSSH = async (config) => {
+const connectSSH = async (config, index) => {
   try {
-    log(`(2) ssh连接 ${underline(config.host)}`)
+    log(`(${index}) ssh连接 ${underline(config.host)}`)
     await ssh.connect(config)
     succeed('ssh连接成功')
   } catch (e) {
@@ -96,31 +115,21 @@ const connectSSH = async (config) => {
   }
 }
 
-// 删除远程文件
-const removeRemoteFile = async (webDir) => {
-  try {
-    log(`(3) 删除远程文件 ${underline(webDir)}`)
-    await ssh.execCommand(`rm -rf ${webDir}`)
-    succeed('删除成功')
-  } catch (e) {
-    error(e)
-    process.exit(1)
-  }
-}
-
 // 上传本地文件
-const uploadLocalFile = async (config) => {
+const uploadLocalFile = async (config, index) => {
   try {
-    log(`(4) 上传打包文件至目录 ${underline(config.webDir)}`)
-
+    const backPath = `${config.webDir}.back`
     const localPath = `${process.cwd()}/${config.distPath}`
+
+    log(`(${index}) 上传打包文件至目录 ${underline(config.webDir)}`)
+
     const spinner = ora('正在上传中\n')
 
     spinner.start()
 
-    await ssh.putDirectory(localPath, config.webDir, {
+    await ssh.putDirectory(localPath, backPath, {
       recursive: true,
-      concurrency: 10,
+      concurrency: 10
     })
 
     spinner.stop()
@@ -131,16 +140,38 @@ const uploadLocalFile = async (config) => {
   }
 }
 
-// 断开ssh
-const disconnectSSH = () => {
-  ssh.dispose()
+// 删除远程文件
+const removeRemoteFile = async (config, index) => {
+  try {
+    const { webDir } = config
+
+    log(`(${index}) 删除远程文件 ${underline(webDir)}`)
+
+    await ssh.execCommand(`rm -rf ${webDir}`)
+    succeed('删除成功')
+  } catch (e) {
+    error(e)
+    process.exit(1)
+  }
+}
+
+// 移动远程文件
+const moveRemoteFile = async (config) => {
+  try {
+    const { webDir } = config
+
+    await ssh.execCommand(`mv ${webDir}.back ${webDir}`)
+  } catch (e) {
+    error(e)
+    process.exit(1)
+  }
 }
 
 // 删除本地打包文件
-const removeLocalFile = (distPath) => {
-  const localPath = `${process.cwd()}/${distPath}`
+const removeLocalFile = (config, index) => {
+  const localPath = `${process.cwd()}/${config.distPath}`
 
-  log(`(5) 删除本地打包目录 ${underline(localPath)}`)
+  log(`(${index}) 删除本地打包目录 ${underline(localPath)}`)
 
   const remove = (path) => {
     if (fs.existsSync(path)) {
@@ -160,13 +191,45 @@ const removeLocalFile = (distPath) => {
   succeed('删除本地打包目录成功')
 }
 
+// 断开ssh
+const disconnectSSH = () => {
+  ssh.dispose()
+}
+
+// 创建任务列表
+const createTaskList = (config) => {
+  const { isRemoveRemoteFile = true } = config
+
+  taskList = []
+  taskList.push(execBuild)
+  taskList.push(connectSSH)
+  taskList.push(uploadLocalFile)
+  isRemoveRemoteFile && taskList.push(removeRemoteFile)
+  taskList.push(removeLocalFile)
+  taskList.push(moveRemoteFile)
+  taskList.push(disconnectSSH)
+}
+
+// 执行任务列表
+const executeTaskList = async (config) => {
+  for (const [index, execute] of new Map(
+    taskList.map((execute, index) => [index, execute])
+  )) {
+    await execute(config, index + 1)
+  }
+}
+
 module.exports = {
   description: '部署项目',
   apply: async (env) => {
     if (checkDeployConfigExists()) {
       const config = require(deployConfigPath)
       const projectName = config.projectName
-      const envConfig = config[env]
+      const envConfig = Object.assign(config[env], {
+        privateKey: config.privateKey,
+        passphrase: config.passphrase
+      })
+
       checkEnvCorrect(envConfig, env)
 
       const answers = await confirmDeploy(
@@ -174,12 +237,10 @@ module.exports = {
       )
 
       if (answers.confirm) {
-        await execBuild(envConfig.script)
-        await connectSSH(envConfig)
-        await removeRemoteFile(envConfig.webDir)
-        await uploadLocalFile(envConfig)
-        disconnectSSH()
-        removeLocalFile(envConfig.distPath)
+        createTaskList(envConfig)
+
+        await executeTaskList(envConfig)
+
         succeed(
           `恭喜您，${underline(projectName)}项目已在${underline(
             envConfig.name
@@ -195,5 +256,5 @@ module.exports = {
       )
       process.exit(1)
     }
-  },
+  }
 }
diff --git a/lib/commands/init.js b/lib/commands/init.js
index b9189a8..5a44f28 100644
--- a/lib/commands/init.js
+++ b/lib/commands/init.js
@@ -5,7 +5,7 @@ const {
   checkDeployConfigExists,
   succeed,
   error,
-  underline,
+  underline
 } = require('../utils')
 const { inquirerConfig, deployConfigPath } = require('../config')
 
@@ -18,6 +18,8 @@ const getUserInputInfo = () => {
 const createJsonObj = (userInputInfo) => {
   const jsonObj = {
     projectName: userInputInfo.projectName,
+    privateKey: userInputInfo.privateKey,
+    passphrase: userInputInfo.passphrase
   }
   const { deployEnvList } = userInputInfo
 
@@ -31,6 +33,7 @@ const createJsonObj = (userInputInfo) => {
       password: userInputInfo[`${env}Password`],
       distPath: userInputInfo[`${env}DistPath`],
       webDir: userInputInfo[`${env}WebDir`],
+      isRemoveRemoteFile: userInputInf[`${env}IsRemoveRemoteFile`]
     }
   }
 
@@ -68,5 +71,5 @@ module.exports = {
         process.exit(0)
       })
     }
-  },
+  }
 }
diff --git a/lib/config/index.js b/lib/config/index.js
index 31c887d..6438187 100644
--- a/lib/config/index.js
+++ b/lib/config/index.js
@@ -1,4 +1,5 @@
 const fs = require('fs')
+const os = require('os')
 const path = require('path')
 
 const devConfig = [
@@ -7,54 +8,61 @@ const devConfig = [
     name: 'devName',
     message: '环境名称',
     default: '开发环境',
-    when: (answers) => answers.deployEnvList.includes('dev'),
+    when: (answers) => answers.deployEnvList.includes('dev')
   },
   {
     type: 'input',
     name: 'devScript',
     message: '打包命令',
     default: 'npm run build:dev',
-    when: (answers) => answers.deployEnvList.includes('dev'),
+    when: (answers) => answers.deployEnvList.includes('dev')
   },
   {
     type: 'input',
     name: 'devHost',
     message: '服务器地址',
-    when: (answers) => answers.deployEnvList.includes('dev'),
+    when: (answers) => answers.deployEnvList.includes('dev')
   },
   {
     type: 'number',
     name: 'devPort',
     message: '服务器端口号',
     default: 22,
-    when: (answers) => answers.deployEnvList.includes('dev'),
+    when: (answers) => answers.deployEnvList.includes('dev')
   },
   {
     type: 'input',
     name: 'devUsername',
     message: '用户名',
     default: 'root',
-    when: (answers) => answers.deployEnvList.includes('dev'),
+    when: (answers) => answers.deployEnvList.includes('dev')
   },
   {
     type: 'password',
     name: 'devPassword',
     message: '密码',
-    when: (answers) => answers.deployEnvList.includes('dev'),
+    when: (answers) => answers.deployEnvList.includes('dev')
   },
   {
     type: 'input',
     name: 'devDistPath',
     message: '本地打包目录',
     default: 'dist',
-    when: (answers) => answers.deployEnvList.includes('dev'),
+    when: (answers) => answers.deployEnvList.includes('dev')
   },
   {
     type: 'input',
     name: 'devWebDir',
     message: '部署路径',
-    when: (answers) => answers.deployEnvList.includes('dev'),
+    when: (answers) => answers.deployEnvList.includes('dev')
   },
+  {
+    type: 'confirm',
+    name: 'devIsRemoveRemoteFile',
+    message: '是否删除远程文件',
+    default: true,
+    when: (answers) => answers.deployEnvList.includes('dev')
+  }
 ]
 
 const testConfig = [
@@ -63,54 +71,61 @@ const testConfig = [
     name: 'testName',
     message: '环境名称',
     default: '测试环境',
-    when: (answers) => answers.deployEnvList.includes('test'),
+    when: (answers) => answers.deployEnvList.includes('test')
   },
   {
     type: 'input',
     name: 'testScript',
     message: '打包命令',
     default: 'npm run build:test',
-    when: (answers) => answers.deployEnvList.includes('test'),
+    when: (answers) => answers.deployEnvList.includes('test')
   },
   {
     type: 'input',
     name: 'testHost',
     message: '服务器地址',
-    when: (answers) => answers.deployEnvList.includes('test'),
+    when: (answers) => answers.deployEnvList.includes('test')
   },
   {
     type: 'number',
     name: 'testPort',
     message: '服务器端口号',
     default: 22,
-    when: (answers) => answers.deployEnvList.includes('test'),
+    when: (answers) => answers.deployEnvList.includes('test')
   },
   {
     type: 'input',
     name: 'testUsername',
     message: '用户名',
     default: 'root',
-    when: (answers) => answers.deployEnvList.includes('test'),
+    when: (answers) => answers.deployEnvList.includes('test')
   },
   {
     type: 'password',
     name: 'testPassword',
     message: '密码',
-    when: (answers) => answers.deployEnvList.includes('test'),
+    when: (answers) => answers.deployEnvList.includes('test')
   },
   {
     type: 'input',
     name: 'testDistPath',
     message: '本地打包目录',
     default: 'dist',
-    when: (answers) => answers.deployEnvList.includes('test'),
+    when: (answers) => answers.deployEnvList.includes('test')
   },
   {
     type: 'input',
     name: 'testWebDir',
     message: '部署路径',
-    when: (answers) => answers.deployEnvList.includes('test'),
+    when: (answers) => answers.deployEnvList.includes('test')
   },
+  {
+    type: 'confirm',
+    name: 'testIsRemoveRemoteFile',
+    message: '是否删除远程文件',
+    default: true,
+    when: (answers) => answers.deployEnvList.includes('test')
+  }
 ]
 
 const prodConfig = [
@@ -119,54 +134,61 @@ const prodConfig = [
     name: 'prodName',
     message: '环境名称',
     default: '生产环境',
-    when: (answers) => answers.deployEnvList.includes('prod'),
+    when: (answers) => answers.deployEnvList.includes('prod')
   },
   {
     type: 'input',
     name: 'prodScript',
     message: '打包命令',
     default: 'npm run build:prod',
-    when: (answers) => answers.deployEnvList.includes('prod'),
+    when: (answers) => answers.deployEnvList.includes('prod')
   },
   {
     type: 'input',
     name: 'prodHost',
     message: '服务器地址',
-    when: (answers) => answers.deployEnvList.includes('prod'),
+    when: (answers) => answers.deployEnvList.includes('prod')
   },
   {
     type: 'number',
     name: 'prodPort',
     message: '服务器端口号',
     default: 22,
-    when: (answers) => answers.deployEnvList.includes('prod'),
+    when: (answers) => answers.deployEnvList.includes('prod')
   },
   {
     type: 'input',
     name: 'prodUsername',
     message: '用户名',
     default: 'root',
-    when: (answers) => answers.deployEnvList.includes('prod'),
+    when: (answers) => answers.deployEnvList.includes('prod')
   },
   {
     type: 'password',
     name: 'prodPassword',
     message: '密码',
-    when: (answers) => answers.deployEnvList.includes('prod'),
+    when: (answers) => answers.deployEnvList.includes('prod')
   },
   {
     type: 'input',
     name: 'prodDistPath',
     message: '本地打包目录',
     default: 'dist',
-    when: (answers) => answers.deployEnvList.includes('prod'),
+    when: (answers) => answers.deployEnvList.includes('prod')
   },
   {
     type: 'input',
     name: 'prodWebDir',
     message: '部署路径',
-    when: (answers) => answers.deployEnvList.includes('prod'),
+    when: (answers) => answers.deployEnvList.includes('prod')
   },
+  {
+    type: 'confirm',
+    name: 'prodIsRemoveRemoteFile',
+    message: '是否删除远程文件',
+    default: true,
+    when: (answers) => answers.deployEnvList.includes('prod')
+  }
 ]
 
 module.exports = {
@@ -179,7 +201,19 @@ module.exports = {
       message: '请输入项目名称',
       default: fs.existsSync(`${path.join(process.cwd())}/package.json`)
         ? require(`${process.cwd()}/package.json`).name
-        : '',
+        : ''
+    },
+    {
+      type: 'input',
+      name: 'privateKey',
+      message: '请输入本地私钥地址',
+      default: `${os.homedir()}/.ssh/id_rsa`
+    },
+    {
+      type: 'password',
+      name: 'passphrase',
+      message: '请输入本地私钥密码',
+      default: ''
     },
     {
       type: 'checkbox',
@@ -188,18 +222,18 @@ module.exports = {
       choices: [
         {
           name: 'dev',
-          checked: true,
+          checked: true
         },
         {
-          name: 'test',
+          name: 'test'
         },
         {
-          name: 'prod',
-        },
-      ],
+          name: 'prod'
+        }
+      ]
     },
     ...devConfig,
     ...testConfig,
-    ...prodConfig,
-  ],
+    ...prodConfig
+  ]
 }
diff --git a/package.json b/package.json
index 5619101..806bdca 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "deploy-cli-service",
-  "version": "1.0.9",
+  "version": "1.1.0",
   "description": "前端一键自动化部署脚手架服务",
   "main": "lib/service.js",
   "homepage": "https://github.com/fuchengwei/deploy-cli-service",