diff --git a/app.js b/app.js
index dd3d0f4..091b40b 100644
--- a/app.js
+++ b/app.js
@@ -15,12 +15,17 @@ const {
   getTestSpreadSheet,
   GoogleFunctions,
   PluginsManager,
+  test_drive
 } = require("./lib/common");
 const { SyncText } = require("./lib/sync_text");
+const { startup } = require("./lib/zmq");
+
 const { CronJobs } = require("./cron-jobs");
 const { google } = require("googleapis");
 const { EventEmitter } = require("stream");
 
+const nproc = require('./lib/nproc');
+
 require("dotenv").config();
 
 Log.debug(process.env.TEST_SHEET_ID);
@@ -53,6 +58,7 @@ var cronTasks =
 
 const auth = GoogleFunctions.auth();
 const sheet = GoogleFunctions.SpreadSheets(auth);
+const drive = GoogleFunctions.Drive(auth);
 
 // let heartbeatTask = CronJobs.doEveryMinute(() => {
 //   Log.debug(`All running => ${JSON.stringify(cronTasks)}`);
@@ -90,6 +96,27 @@ const sheet = GoogleFunctions.SpreadSheets(auth);
 // Test Taobin SyncText
 // SyncText.run(sheet, "uae", false);
 
+// Test drive
+// test_drive(drive);
+
+// startup();
+//
+//
+
+let client = new nproc.NprocClient("127.0.0.1:36540", () => {
+  client.subscribe("self");
+  client.publish("self", {
+    msg: "test"
+  });
+
+  if(client.history.length > 1){
+    Log.info("connected!");
+  }
+}, () => {
+  Log.debug("closed connection");
+});
+
+
 const pm = new PluginsManager(cronTasks, CronJobs);
 pm.load();
 
diff --git a/lib/common.js b/lib/common.js
index 3ba6705..54d1eb1 100644
--- a/lib/common.js
+++ b/lib/common.js
@@ -293,7 +293,8 @@ function saveJsonToFile(filename, content) {
 //  GOOGLE
 // ======================================================================
 
-const { google, sheets_v4 } = require("googleapis");
+const { google, sheets_v4, drive_v3 } = require("googleapis");
+const { GoogleAuth } = require("google-auth-library");
 
 function authorize() {
   const oauthClient = new google.auth.GoogleAuth({
@@ -301,7 +302,7 @@ function authorize() {
       client_email: process.env.GOOGLE_SERVICE_ACCOUNT_EMAIL,
       private_key: process.env.GOOGLE_PRIVATE_KEY.replace(/\\n/gm, "\n"),
     },
-    scopes: ["https://www.googleapis.com/auth/spreadsheets"],
+    scopes: ["https://www.googleapis.com/auth/spreadsheets", "https://www.googleapis.com/auth/drive"],
   });
   return oauthClient;
 }
@@ -325,6 +326,7 @@ function getCountrySpreadSheetId(cnt) {
 const GoogleFunctions = {
   auth: authorize,
   SpreadSheets: (auth) => google.sheets({ version: "v4", auth }),
+  Drive: (auth) => google.drive({ version: 'v3', auth }),
   GetCountrySpreadSheet: getCountrySpreadSheetById,
   getAllSheetNamesByCountry: getAllSheetNamesByCountry,
   getCountrySheetByName: getCountrySheetByName,
@@ -1282,6 +1284,40 @@ async function _finalizeSyncProfilePrice(
   }
 }
 
+// ======================================================================
+//  DRIVE
+// ======================================================================
+
+/**
+ * @param {drive_v3.Drive} drive instance
+ */
+async function test_drive(drive){
+
+  try {
+    await drive.files.create({
+      requestBody: {
+        name: "test",
+        mimeType: "text/plain",
+        parents: [process.env.TAOBIN_ADMIN_SERVER_DRIVE_FOLDER]
+      },
+      media: {
+        mimeType: "text/plain",
+        body: "Hello from js"
+      }
+    }).then((x) => Log.info(`Created file response: ${JSON.parse(x)}`));
+  } catch(error){
+    Log.err(`Error test drive: ${error}`);
+    return JSON.stringify({
+      error: error
+    });
+  }
+  return JSON.stringify({
+    status: "success"
+  });
+}
+
+
+
 // special
 
 // ======================================================================
@@ -1406,4 +1442,5 @@ module.exports = {
   getCountrySheetByName,
   diff2DArraysCustom,
   saveJsonToFile,
+  test_drive
 };
diff --git a/lib/nproc.js b/lib/nproc.js
new file mode 100644
index 0000000..d589de5
--- /dev/null
+++ b/lib/nproc.js
@@ -0,0 +1,85 @@
+const net = require('net');
+// TODO: must change to read by env
+const API_KEY = Buffer.from('AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA');
+
+function frame(msgType, topicStr, bodyBuf) {
+  const topic = Buffer.from(topicStr);
+  const payloadLen = 1 + 2 + 4 + topic.length + bodyBuf.length;
+  const totalBytes = payloadLen + 32;
+
+  const buf = Buffer.alloc(4 + payloadLen + 32);
+  buf.writeUInt32BE(totalBytes, 0);
+  buf.writeUInt8(msgType, 4);
+  buf.writeUInt16BE(topic.length, 5);
+  buf.writeUInt32BE(bodyBuf.length, 7);
+  topic.copy(buf, 11);
+  bodyBuf.copy(buf, 11 + topic.length);
+  API_KEY.copy(buf, 4 + payloadLen);
+  return buf;
+}
+
+class NprocClient {
+
+  MESSAGE_TYPE = {
+    SUB: 1,
+    UNSUB: 2,
+    PUB: 3,
+    PING: 4
+  };
+
+  constructor(
+    addr,
+    onConnect,
+    onClose
+  ){
+    let _addr = addr.toString().split(":");
+
+    let host = _addr[0];
+    let port = parseInt(_addr[1]);
+
+    this.client = net.createConnection({
+      host: host,
+      port: port
+    }, () => onConnect());
+    this.history = [];
+    this.acc = Buffer.alloc(0);
+    this.client.on('data', chunk => {
+      this.acc = Buffer.concat([this.acc, chunk]);
+      while(this.acc.length >= 4){
+        const total = this.acc.readUInt32BE(0);
+        if (this.acc.length < 4 + total) break;
+        const frm = this.acc.subarray(0, 4 + total);
+        this.acc = this.acc.subarray(4 + total);
+
+        const msgType = frm.readUInt8(4);
+        const topicLen = frm.readUInt16BE(5);
+        const bodyLen = frm.readUInt32BE(7);
+        const topic = frm.subarray(11, 11 + topicLen).toString();
+        const body = frm.subarray(11 + topicLen, 11 + topicLen + bodyLen);
+
+        let res = {
+          msgType, topic, body: body.toString()
+        };
+        console.log(`get msg! ${JSON.stringify(res)}`);
+
+        this.history.push(res);
+      }
+    });
+    this.client.on('close', () => onClose());
+  }
+
+  subscribe(topic){
+    this.client.write(frame(this.MESSAGE_TYPE.SUB, topic, Buffer.alloc(0)));
+  }
+
+  publish(topic, payload){
+    this.client.write(frame(this.MESSAGE_TYPE.PUB, topic, Buffer.from(JSON.stringify(payload))));
+  }
+
+  // TODO: unsub
+  // TODO: ping
+}
+
+module.exports = {
+  NprocClient
+};
\ No newline at end of file
diff --git a/lib/package_manager.js b/lib/package_manager.js
new file mode 100644
index 0000000..e69de29
diff --git a/lib/zmq.js b/lib/zmq.js
new file mode 100644
index 0000000..f7b1249
--- /dev/null
+++ b/lib/zmq.js
@@ -0,0 +1,28 @@
+const zmq = require('zeromq');
+const uuid = require('uuid');
+
+/**
+ * Publish simple message to server to notify service is ready.
+ */
+async function startup(){
+  const pub = new zmq.Publisher();
+  await pub.connect("tcp://127.0.0.1:36541");
+
+  const msg = {
+    id: uuid.v4(),
+    topic: "news",
+    message_type: "Data",
+    data: { content: "GGS Ready!" },
+    timestamp: Math.floor(Date.now() / 1000)
+  };
+
+  await pub.send(["news", JSON.stringify(msg)]);
+
+  console.log("startup send!")
+  pub.close();
+}
+
+
+module.exports = {
+  startup
+};
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index dc9af4f..b1b0d34 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,11 @@
         "morgan": "~1.9.1",
         "node-cron": "^3.0.3",
         "winston": "^3.17.0",
-        "winston-daily-rotate-file": "^5.0.0"
+        "winston-daily-rotate-file": "^5.0.0",
+        "zeromq": "^6.5.0"
+      },
+      "devDependencies": {
+        "esbuild": "^0.25.8"
       }
     },
     "node_modules/@colors/colors": {
@@ -720,6 +724,14 @@
         "wordwrap": "0.0.2"
       }
     },
+    "node_modules/cmake-ts": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/cmake-ts/-/cmake-ts-1.0.2.tgz",
+      "integrity": "sha512-5l++JHE7MxFuyV/OwJf3ek7ZZN1aGPFPM5oUz6AnK5inQAPe4TFXRMz5sA2qg2FRgByPWdqO+gSfIPo8GzoKNQ==",
+      "bin": {
+        "cmake-ts": "build/main.js"
+      }
+    },
     "node_modules/color": {
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/color/-/color-3.2.1.tgz",
@@ -1631,6 +1643,14 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/node-addon-api": {
+      "version": "8.5.0",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-8.5.0.tgz",
+      "integrity": "sha512-/bRZty2mXUIFY/xU5HLvveNHlswNJej+RnxBjOMkidWfwZzgTbPG1E3K5TOxRLOR+5hX7bSofy8yf1hZevMS8A==",
+      "engines": {
+        "node": "^18 || ^20 || >= 21"
+      }
+    },
     "node_modules/node-cron": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/node-cron/-/node-cron-3.0.3.tgz",
@@ -2273,6 +2293,19 @@
         "decamelize": "^1.0.0",
         "window-size": "0.1.0"
       }
+    },
+    "node_modules/zeromq": {
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/zeromq/-/zeromq-6.5.0.tgz",
+      "integrity": "sha512-vWOrt19lvcXTxu5tiHXfEGQuldSlU+qZn2TT+4EbRQzaciWGwNZ99QQTolQOmcwVgZLodv+1QfC6UZs2PX/6pQ==",
+      "hasInstallScript": true,
+      "dependencies": {
+        "cmake-ts": "1.0.2",
+        "node-addon-api": "^8.3.1"
+      },
+      "engines": {
+        "node": ">= 12"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 97cb220..359466d 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,8 @@
     "morgan": "~1.9.1",
     "node-cron": "^3.0.3",
     "winston": "^3.17.0",
-    "winston-daily-rotate-file": "^5.0.0"
+    "winston-daily-rotate-file": "^5.0.0",
+    "zeromq": "^6.5.0"
   },
   "devDependencies": {
     "esbuild": "^0.25.8"
diff --git a/plugins/heartbeat.js b/plugins/heartbeat.js
index f9e4c65..88dcfe9 100644
--- a/plugins/heartbeat.js
+++ b/plugins/heartbeat.js
@@ -12,7 +12,10 @@ const heartbeatApiInfo = {
 let heartbeatTask = CronJobs.doEveryMinute(() => {
     Log.debug("[hb] test heartbeat");
     Log.debug(`[hb] current running tasks: ${JSON.stringify(CronJobs.getAllRunning.size)}`);
-    heartbeatTask.stop();
+    client.publish("log", {
+      msg: "heartbeat",
+      status: 200
+    });
 }, 'heartbeat');
 
 heartbeatTask.on('stop-heartbeat', () => heartbeatTask.stop());
diff --git a/run.test.sh b/run.test.sh
index d24c3e8..58dbcf5 100755
--- a/run.test.sh
+++ b/run.test.sh
@@ -1,2 +1,2 @@
 #!/bin/bash
-DEBUG=server:* PORT=36530 npm start
\ No newline at end of file
+DEBUG=server:* PORT=36531 npm start
\ No newline at end of file