diff --git a/src/assets/locales.ts b/src/assets/locales.ts
index 8d9bc07c..20bf4acc 100644
--- a/src/assets/locales.ts
+++ b/src/assets/locales.ts
@@ -73,6 +73,8 @@ const message = {
     change: '更 换',
     editorTip: '你可以插入单独行的 <!-- more --> 为摘要分隔标识（此行之前内容为摘要）',
     saveError: '保存失败',
+    privateKeyTip: '请填写绝对路径，例如：/home/username/.ssh/id_rsa',
+    remotePathTip: '请填写绝对路径，例如：/home/username/www/',
     testConnection: '检测远程连接',
     connectSuccess: '远程连接成功',
     connectFailed: '远程连接失败，请检查仓库、用户名和 Token 设置',
@@ -182,6 +184,8 @@ const message = {
     change: '更 換',
     editorTip: '你可以插入單獨行的 <!-- more --> 為摘要分隔標識（此行之前內容為摘要）',
     saveError: '保存失敗',
+    privateKeyTip: '請填寫絕對路徑，例如：/home/username/.ssh/id_rsa',
+    remotePathTip: '請填寫絕對路徑，例如：/home/username/www/',
     testConnection: '檢測遠程連接',
     connectSuccess: '遠程連接成功',
     connectFailed: '遠程連接失敗，請檢查倉庫、用戶名和 Token 設置',
@@ -290,6 +294,8 @@ const message = {
     change: 'Change',
     editorTip: 'You can insert a separate line <!-- more --> is the abstract separator identifier ( the content before this line is the abstract)',
     saveError: 'Save failed',
+    privateKeyTip: 'Please fill in the absolute path, for example: /home/username/.ssh/id_rsa',
+    remotePathTip: 'Please fill in the absolute path, for example:：/home/username/www/',
     testConnection: 'Test Connection',
     connectSuccess: 'Remote connection succeeded',
     connectFailed: 'Remote connection failed, please check repository, username and token settings',
diff --git a/src/interfaces/setting.ts b/src/interfaces/setting.ts
index da123e31..e7179fa8 100644
--- a/src/interfaces/setting.ts
+++ b/src/interfaces/setting.ts
@@ -10,6 +10,7 @@ export interface ISetting {
   port: string
   server: string
   password: string
+  privateKey: string
   remotePath: string
   [index: string]: string
 }
diff --git a/src/server/app.ts b/src/server/app.ts
index 81417c58..3b030f9d 100644
--- a/src/server/app.ts
+++ b/src/server/app.ts
@@ -75,6 +75,7 @@ export default class App {
         port: '22',
         server: '',
         password: '',
+        privateKey: '',
         remotePath: '',
       },
       commentSetting: {
diff --git a/src/server/plugins/deploys/sftp.ts b/src/server/plugins/deploys/sftp.ts
index 157dab27..515d214a 100644
--- a/src/server/plugins/deploys/sftp.ts
+++ b/src/server/plugins/deploys/sftp.ts
@@ -1,10 +1,20 @@
 import * as fse from 'fs-extra'
+// import * as fs from 'fs'
 import path from 'path'
 import SftpClient from 'ssh2-sftp-client'
 import NodeSsh from 'node-ssh'
 import normalizePath from 'normalize-path'
 import Model from '../../model'
 
+type sftpConnectConfig = {
+  host: string;
+  port: number;
+  type?: string;
+  username: string;
+  password?: string;
+  privateKey?: string | Buffer;
+}
+
 export default class SftpDeploy extends Model {
   // connect: SftpClient
   constructor(appInstance: any) {
@@ -22,11 +32,24 @@ export default class SftpDeploy extends Model {
     const client = new SftpClient()
 
     const { setting } = this.db
-    const connectConfig = {
+
+    const connectConfig: sftpConnectConfig = {
       host: setting.server,
       port: Number(setting.port),
       username: setting.username,
-      password: setting.password,
+    }
+
+    if (setting.privateKey) {
+      try {
+        connectConfig.privateKey = fse.readFileSync(setting.privateKey)
+      } catch (e) {
+        console.error('SFTP Test Remote Error: ', e.message)
+        result.success = false
+        result.message = e.message
+        return result
+      }
+    } else {
+      connectConfig.password = setting.password
     }
 
     const testFilename = 'gridea.txt'
@@ -58,7 +81,7 @@ export default class SftpDeploy extends Model {
     } finally {
       await client.end()
     }
-    
+
     return result
   }
 
@@ -71,12 +94,19 @@ export default class SftpDeploy extends Model {
     const client = new NodeSsh()
 
     const { setting } = this.db
-    const connectConfig = {
+
+    const connectConfig: sftpConnectConfig = {
       host: setting.server,
       port: Number(setting.port),
-      username: setting.username,
-      password: setting.password,
       type: 'sftp',
+      username: setting.username,
+    }
+
+    // node-ssh: privateKey is path string.
+    if (setting.privateKey) {
+      connectConfig.privateKey = setting.privateKey
+    } else {
+      connectConfig.password = setting.password
     }
 
     const localPath = normalizePath(path.join(this.appDir, 'output'))
diff --git a/src/store/modules/site.ts b/src/store/modules/site.ts
index d82a0fdd..8a828450 100644
--- a/src/store/modules/site.ts
+++ b/src/store/modules/site.ts
@@ -59,6 +59,7 @@ const siteState: Site = {
     port: '22',
     server: '',
     password: '',
+    privateKey: '',
     remotePath: '',
   },
   commentSetting: {
diff --git a/src/views/setting/includes/BasicSetting.vue b/src/views/setting/includes/BasicSetting.vue
index d4fce3f6..bfa6df1a 100644
--- a/src/views/setting/includes/BasicSetting.vue
+++ b/src/views/setting/includes/BasicSetting.vue
@@ -48,7 +48,10 @@
             <a-icon class="icon" slot="addonAfter" :type="passVisible ? 'eye-invisible' : 'eye'" @click="passVisible = !passVisible" />
           </a-input>
         </a-form-item>
-        <a-form-item label="Remote Path" :labelCol="formLayout.label" :wrapperCol="formLayout.wrapper" :colon="false" help="请填写绝对路径，例如：/home/username/www/">
+        <a-form-item label="Private Key" :labelCol="formLayout.label" :wrapperCol="formLayout.wrapper" :colon="false" :help="$t('privateKeyTip')">
+          <a-input v-model="form.privateKey" />
+        </a-form-item>
+        <a-form-item label="Remote Path" :labelCol="formLayout.label" :wrapperCol="formLayout.wrapper" :colon="false" :help="$t('remotePathTip')">
           <a-input v-model="form.remotePath" />
         </a-form-item>
       </template>
@@ -99,6 +102,7 @@ export default class BasicSetting extends Vue {
     port: '22',
     server: '',
     password: '',
+    privateKey: '',
     remotePath: '',
   }
 
@@ -110,13 +114,13 @@ export default class BasicSetting extends Vue {
       && form.branch
       && form.username
       && form.token
-    
+
     const sftpPlatformValid = ['sftp'].includes(form.platform)
       && form.port
       && form.server
       && form.username
-      && form.password
       && form.remotePath
+      && (form.password || form.privateKey)
 
     return pagesPlatfomValid || sftpPlatformValid
   }