diff --git a/.vscode/sftp.json b/.vscode/sftp.json
new file mode 100644
index 0000000..7cffaef
--- /dev/null
+++ b/.vscode/sftp.json
@@ -0,0 +1,11 @@
+{
+    "name": "laplace",
+    "host": "10.110.8.9",
+    "username": "root",
+    "password": "teamw9rk",
+    "remotePath": "/root/tmp/webssh2",
+    "protocol": "sftp",
+    "port": 22,
+    "uploadOnSave": true,
+    "ignore": [".vscode", ".git", ".DS_Store", "node_modules", "vendor"]
+}
diff --git a/Dockerfile b/Dockerfile
index 68802f3..127fdec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,6 @@
 FROM node:16-alpine
 
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories
 RUN apk update && apk add bash
 
 WORKDIR /usr/src
diff --git a/app/config.json.sample b/app/config.json.sample
index 26f8c39..f1133f9 100644
--- a/app/config.json.sample
+++ b/app/config.json.sample
@@ -1,7 +1,7 @@
 {
   "listen": {
     "ip": "0.0.0.0",
-    "port": 2224
+    "port": 2222
   },
   "socketio": {
     "serveClient": false,
diff --git a/app/server/routes.js b/app/server/routes.js
index c1ea3f9..6b31249 100644
--- a/app/server/routes.js
+++ b/app/server/routes.js
@@ -53,9 +53,10 @@ exports.connect = function connect(req, res) {
     }
   }
 
-  if (req.method === 'POST' && req.body.username && req.body.userpassword) {
+  if (req.method === 'POST' && req.body.username && (req.body.userpassword || req.body.privatekey)) {
     req.session.username = req.body.username;
     req.session.userpassword = req.body.userpassword;
+    req.session.privatekey = req.body.privatekey;
 
     if (req.body.port && validator.isInt(`${req.body.port}`, { min: 1, max: 65535 }))
       port = req.body.port;
diff --git a/app/server/socket.js b/app/server/socket.js
index 9f49dc8..27521a7 100644
--- a/app/server/socket.js
+++ b/app/server/socket.js
@@ -222,6 +222,7 @@ module.exports = function appSocket(socket) {
       const { ssh } = socket.request.session;
       ssh.username = socket.request.session.username;
       ssh.password = socket.request.session.userpassword;
+      ssh.privateKey = socket.request.session.privatekey;
       ssh.tryKeyboard = true;
       ssh.debug = debug('ssh2');
       conn.connect(ssh);