diff --git a/app/service/base.js b/app/service/base.js
index 1fa75e0..71316b4 100644
--- a/app/service/base.js
+++ b/app/service/base.js
@@ -1,9 +1,9 @@
 'use strict';
 
-const request = require('superagent');
 const Service = require('egg').Service;
 
 class BaseService extends Service {
+
   /*
    * ipc call
    */
@@ -17,14 +17,8 @@ class BaseService extends Service {
       return result;
     }
 
-    const port = this.service.storage.getElectronIPCPort();
-    const url  = 'localhost:' + port + '/send';
     try {
-      const response = await request.post(url)
-        .send({ cmd: method, params: params })
-        .set('accept', 'json');
-        
-        result = JSON.parse(response.text);  
+      result = await this.service.socket.call(method, params);
     } catch (err) {
       this.app.logger.error('[base] [ipcCall] request error:', err);
       result.err = 'request err';
@@ -33,6 +27,36 @@ class BaseService extends Service {
 
     return result;
   }
+
+  /*
+   * ipc call
+   */
+  // async ipcCall(method = '', ...params) {
+  //   let result = {
+  //     err: null,
+  //     data: null
+  //   };
+  //   if (!method) {
+  //     result.err = 'Method does not exist';
+  //     return result;
+  //   }
+
+  //   const port = this.service.storage.getElectronIPCPort();
+  //   const url  = 'http://localhost:' + port + '/send';
+  //   try {
+  //     const response = await request.post(url)
+  //       .send({ cmd: method, params: params })
+  //       .set('accept', 'json');
+        
+  //       result = JSON.parse(response.text);  
+  //   } catch (err) {
+  //     this.app.logger.error('[base] [ipcCall] request error:', err);
+  //     result.err = 'request err';
+  //   }
+  //   this.app.logger.info('[base] [ipcCall] result:', result);
+
+  //   return result;
+  // }
 }
 
 module.exports = BaseService;
diff --git a/app/service/socket.js b/app/service/socket.js
new file mode 100644
index 0000000..ad2b944
--- /dev/null
+++ b/app/service/socket.js
@@ -0,0 +1,30 @@
+'use strict';
+
+const BaseService = require('./base');
+const io = require('socket.io-client');
+
+this.instance = null;
+
+class SocketService extends BaseService {
+
+  instance() {
+    if (!SocketService.instance) {
+      const port = this.service.storage.getElectronIPCPort();
+      const url  = 'http://localhost:' + port;
+      const instance = io(url);
+      SocketService.instance = instance;
+    }
+    return SocketService.instance;
+  }
+
+  call (method = '', params) {
+    return new Promise((resolve, reject) => {
+      this.instance().emit('ipc', { cmd: method, params: params }, (response) => {
+        resolve(response);
+      });
+    });
+  }
+
+}
+
+module.exports = SocketService;
diff --git a/electron/api.js b/electron/api.js
index f4a713f..c9c524e 100755
--- a/electron/api.js
+++ b/electron/api.js
@@ -1,90 +1,105 @@
-'use strict';
-const fs = require('fs');
-const http = require('http');
-const path = require('path');
-const _ = require('lodash');
-const storage = require('./storage');
-
-const apis = {};
-
-exports.setup = async function () {
-  setApi();
-
-  // use api server
-  let port = await storage.setIpcDynamicPort();
-  ELog.info('[api] [setup] dynamic port:', port);
-  const listen = 'localhost';
-  port = port ? port : 7069;
-
-  const server = http.createServer(function(req, res) {
-    ELog.info('[ api ] [setup] command received', { method: req.method, url: req.url });
-    if ((req.method === 'POST' && req.url === '/send')) {
-      let body = '';
-      req.setEncoding('utf8');
-      req
-      .on('data', function(data) {
-        body += data;
-      })
-      .on('end', function() {
-        let message;
-        try {
-          message = JSON.parse(body);
-        } catch (e) {
-          res.statusCode = 400;
-          return res.end('request body parse failure.');
-        }
-        if (!apis[message.cmd]) {
-          ELog.info('[ api ] [setup] invalid command called:', message.cmd);
-          res.statusCode = 404;
-          return res.end('NG');
-        }
-
-        ELog.info('[ api ] [setup] command received message:', message);
-        const start = Date.now();
-        const data = apis[message.cmd](...message.params);
-        const elapsed = Date.now() - start;
-        ELog.info(`[api] [setup] [${message.cmd}] success. elapsed: ${elapsed}ms`, data);
-        res.statusCode = 200;
-        const result = {
-          err: null,
-          data: data,
-        };
-        res.end(JSON.stringify(result));
-      });
-    } else {
-      res.statusCode = 404;
-      res.end('NOT FOUND');
-    }
-  });
-
-  server.listen(port, listen, function() {
-    ELog.info('[ api ] [setup] server is listening on', `${listen}:${port}`);
-  });  
-};
-
-function setApi() {
-  const apiDir = path.normalize(__dirname + '/apis');
-  // console.log('apiDir:', apiDir);
-  fs.readdirSync(apiDir).forEach(function(filename) {
-    if (path.extname(filename) === '.js' && filename !== 'index.js') {
-      const name = path.basename(filename, '.js');
-      const fileObj = require(`./apis/${filename}`);
-      _.map(fileObj, function(fn, method) {
-        let methodName = getApiName(name, method);
-        apis[methodName] = fn;
-        // ELog.info('[ Monitor ]', methodName);
-      });
-    }
-  });
-};
-
-/**
- * get api method name
- * ex.) jsname='user' method='get' => 'user.get'
- * @param {String} jsname
- * @param {String} method
- */
-function getApiName (jsname, method) {
-  return jsname + '.' + method;
-  //return jsname + method.charAt(0).toUpperCase() + method.slice(1);
-};
+'use strict';
+const fs = require('fs');
+const http = require('http');
+const path = require('path');
+const _ = require('lodash');
+const storage = require('./storage');
+const socketIo = require('socket.io');
+
+const apis = {};
+
+exports.setup = async function () {
+  setApi();
+
+  // use api server
+  let port = await storage.setIpcDynamicPort();
+  ELog.info('[api] [setup] dynamic port:', port);
+  const listen = 'localhost';
+  port = port ? port : 7069;
+
+  const server = http.createServer(function(req, res) {
+    ELog.info('[ api ] [setup] command received', { method: req.method, url: req.url });
+    if ((req.method === 'POST' && req.url === '/send')) {
+      let body = '';
+      req.setEncoding('utf8');
+      req
+      .on('data', function(data) {
+        body += data;
+      })
+      .on('end', function() {
+        let message;
+        try {
+          message = JSON.parse(body);
+        } catch (e) {
+          res.statusCode = 400;
+          return res.end('request body parse failure.');
+        }
+        if (!apis[message.cmd]) {
+          ELog.info('[ api ] [setup] invalid command called:', message.cmd);
+          res.statusCode = 404;
+          return res.end('NG');
+        }
+
+        ELog.info('[ api ] [setup] command received message:', message);
+        const start = Date.now();
+        const data = apis[message.cmd](...message.params);
+        const elapsed = Date.now() - start;
+        ELog.info(`[api] [setup] [${message.cmd}] success. elapsed: ${elapsed}ms`, data);
+        res.statusCode = 200;
+        const result = {
+          err: null,
+          data: data,
+        };
+        res.end(JSON.stringify(result));
+      });
+    } else {
+      res.statusCode = 404;
+      res.end('NOT FOUND');
+    }
+  });
+
+  // socket io
+  const io = socketIo(server);
+  io.on('connection', (socket) => {
+    socket.on('ipc', (message, callback) => {
+      ELog.info('[ api ] [setup] socket id:' + socket.id + ' message cmd: ' + message.cmd);
+      const data = apis[message.cmd](...message.params);
+      const result = {
+        err: null,
+        data: data,
+      };
+      callback(result);
+    });
+  });
+
+  server.listen(port, listen, function() {
+    ELog.info('[ api ] [setup] server is listening on', `${listen}:${port}`);
+  });  
+};
+
+function setApi() {
+  const apiDir = path.normalize(__dirname + '/apis');
+  // console.log('apiDir:', apiDir);
+  fs.readdirSync(apiDir).forEach(function(filename) {
+    if (path.extname(filename) === '.js' && filename !== 'index.js') {
+      const name = path.basename(filename, '.js');
+      const fileObj = require(`./apis/${filename}`);
+      _.map(fileObj, function(fn, method) {
+        let methodName = getApiName(name, method);
+        apis[methodName] = fn;
+        // ELog.info('[ Monitor ]', methodName);
+      });
+    }
+  });
+};
+
+/**
+ * get api method name
+ * ex.) jsname='user' method='get' => 'user.get'
+ * @param {String} jsname
+ * @param {String} method
+ */
+function getApiName (jsname, method) {
+  return jsname + '.' + method;
+  //return jsname + method.charAt(0).toUpperCase() + method.slice(1);
+};
diff --git a/electron/lib/AutoLaunch.js b/electron/lib/AutoLaunch.js
index 464e252..c58939f 100644
--- a/electron/lib/AutoLaunch.js
+++ b/electron/lib/AutoLaunch.js
@@ -21,7 +21,6 @@ class AutoLaunch {
 
   isEnabled () {
     const enabled = app.getLoginItemSettings(LOGIN_SETTING_OPTIONS).openAtLogin;
-    console.log('AutoLaunch isEnabled:', enabled);
     return enabled;
   }
 }
diff --git a/package.json b/package.json
index 3527fd3..bcdd904 100755
--- a/package.json
+++ b/package.json
@@ -1,120 +1,121 @@
-{
-  "name": "electron-egg",
-  "version": "1.5.0",
-  "description": "A fast, desktop software development framework",
-  "main": "main.js",
-  "scripts": {
-    "start": "electron .",
-    "dev": "electron . --env=local",
-    "build-w": "electron-builder -w",
-    "build-m": "electron-builder -m",
-    "build-l": "electron-builder -l",
-    "web-start": "egg-scripts start --daemon --title=electron-egg --ignore-stderr --env=prod --workers=1",
-    "web-stop": "egg-scripts stop --title=electron-egg",
-    "web-dev": "egg-bin dev"
-  },
-  "build": {
-    "productName": "electron-egg",
-    "appId": "com.electron.egg",
-    "copyright": "wallace5303",
-    "directories": {
-      "output": "out"
-    },
-    "asar": true,
-    "files": [
-      "**/*"
-    ],
-    "electronDownload": {
-      "mirror": "https://npm.taobao.org/mirrors/electron/"
-    },
-    "nsis": {
-      "oneClick": false,
-      "allowElevation": true,
-      "allowToChangeInstallationDirectory": true,
-      "installerIcon": "./build/icons/icon.ico",
-      "uninstallerIcon": "./build/icons/icon.ico",
-      "installerHeaderIcon": "./build/icons/icon.ico",
-      "createDesktopShortcut": true,
-      "createStartMenuShortcut": true,
-      "shortcutName": "demo"
-    },
-    "publish": [
-      {
-        "provider": "generic",
-        "url": "https://github.com/wallace5303/electron-egg"
-      }
-    ],
-    "dmg": {
-      "contents": [
-        {
-          "x": 410,
-          "y": 150,
-          "type": "link",
-          "path": "/Applications"
-        },
-        {
-          "x": 130,
-          "y": 150,
-          "type": "file"
-        }
-      ]
-    },
-    "mac": {
-      "icon": "build/icons/icon.icns"
-    },
-    "win": {
-      "icon": "build/icons/icon.ico",
-      "artifactName": "${productName}_windows_${version}.${ext}",
-      "target": [
-        {
-          "target": "nsis",
-          "arch": [
-            "ia32"
-          ]
-        }
-      ]
-    },
-    "linux": {
-      "icon": "build/icons"
-    }
-  },
-  "repository": "https://github.com/wallace5303/electron-egg.git",
-  "keywords": [
-    "Electron",
-    "Egg"
-  ],
-  "author": "wallace5303",
-  "license": "Apache",
-  "devDependencies": {
-    "devtron": "^1.4.0",
-    "electron": "^8.4.1",
-    "electron-builder": "^22.7.0",
-    "autod": "^3.0.1",
-    "autod-egg": "^1.1.0",
-    "egg-bin": "^4.12.3",
-    "egg-ci": "^1.11.0",
-    "egg-mock": "^3.21.0",
-    "eslint": "^5.13.0",
-    "eslint-config-egg": "^7.1.0",
-    "eslint-plugin-prettier": "^3.0.1",
-    "prettier": "^1.16.4",
-    "webstorm-disable-index": "^1.2.0"
-  },
-  "dependencies": {
-    "dayjs": "^1.9.5",
-    "egg": "^2.15.1",
-    "egg-cors": "^2.2.0",
-    "egg-jwt": "^3.1.6",
-    "egg-scripts": "^2.13.0",
-    "egg-view-ejs": "^2.0.0",
-    "electron-is": "^3.0.0",
-    "electron-log": "^4.2.2",
-    "electron-updater": "^4.3.5",
-    "get-port": "^5.1.1",
-    "glob": "^7.1.6",
-    "lodash": "^4.17.11",
-    "lowdb": "^1.0.0",
-    "semver": "^5.4.1",
-    "superagent": "^6.1.0"
-  }
-}
+{
+  "name": "electron-egg",
+  "version": "1.5.0",
+  "description": "A fast, desktop software development framework",
+  "main": "main.js",
+  "scripts": {
+    "start": "electron .",
+    "dev": "electron . --env=local",
+    "build-w": "electron-builder -w",
+    "build-m": "electron-builder -m",
+    "build-l": "electron-builder -l",
+    "web-start": "egg-scripts start --daemon --title=electron-egg --ignore-stderr --env=prod --workers=1",
+    "web-stop": "egg-scripts stop --title=electron-egg",
+    "web-dev": "egg-bin dev"
+  },
+  "build": {
+    "productName": "electron-egg",
+    "appId": "com.electron.egg",
+    "copyright": "wallace5303",
+    "directories": {
+      "output": "out"
+    },
+    "asar": true,
+    "files": [
+      "**/*"
+    ],
+    "electronDownload": {
+      "mirror": "https://npm.taobao.org/mirrors/electron/"
+    },
+    "nsis": {
+      "oneClick": false,
+      "allowElevation": true,
+      "allowToChangeInstallationDirectory": true,
+      "installerIcon": "./build/icons/icon.ico",
+      "uninstallerIcon": "./build/icons/icon.ico",
+      "installerHeaderIcon": "./build/icons/icon.ico",
+      "createDesktopShortcut": true,
+      "createStartMenuShortcut": true,
+      "shortcutName": "demo"
+    },
+    "publish": [
+      {
+        "provider": "generic",
+        "url": "https://github.com/wallace5303/electron-egg"
+      }
+    ],
+    "dmg": {
+      "contents": [
+        {
+          "x": 410,
+          "y": 150,
+          "type": "link",
+          "path": "/Applications"
+        },
+        {
+          "x": 130,
+          "y": 150,
+          "type": "file"
+        }
+      ]
+    },
+    "mac": {
+      "icon": "build/icons/icon.icns"
+    },
+    "win": {
+      "icon": "build/icons/icon.ico",
+      "artifactName": "${productName}_windows_${version}.${ext}",
+      "target": [
+        {
+          "target": "nsis",
+          "arch": [
+            "ia32"
+          ]
+        }
+      ]
+    },
+    "linux": {
+      "icon": "build/icons"
+    }
+  },
+  "repository": "https://github.com/wallace5303/electron-egg.git",
+  "keywords": [
+    "Electron",
+    "Egg"
+  ],
+  "author": "wallace5303",
+  "license": "Apache",
+  "devDependencies": {
+    "devtron": "^1.4.0",
+    "electron": "^8.4.1",
+    "electron-builder": "^22.7.0",
+    "autod": "^3.0.1",
+    "autod-egg": "^1.1.0",
+    "egg-bin": "^4.12.3",
+    "egg-ci": "^1.11.0",
+    "egg-mock": "^3.21.0",
+    "eslint": "^5.13.0",
+    "eslint-config-egg": "^7.1.0",
+    "eslint-plugin-prettier": "^3.0.1",
+    "prettier": "^1.16.4",
+    "webstorm-disable-index": "^1.2.0"
+  },
+  "dependencies": {
+    "dayjs": "^1.9.5",
+    "egg": "^2.15.1",
+    "egg-cors": "^2.2.0",
+    "egg-jwt": "^3.1.6",
+    "egg-scripts": "^2.13.0",
+    "egg-view-ejs": "^2.0.0",
+    "electron-is": "^3.0.0",
+    "electron-log": "^4.2.2",
+    "electron-updater": "^4.3.5",
+    "get-port": "^5.1.1",
+    "glob": "^7.1.6",
+    "lodash": "^4.17.11",
+    "lowdb": "^1.0.0",
+    "semver": "^5.4.1",
+    "socket.io": "^3.0.5",
+    "socket.io-client": "^3.0.5"
+  }
+}