diff --git a/scripts/check_server/app.js b/scripts/check_server/app.js
index 578b0bf..6373b5a 100644
--- a/scripts/check_server/app.js
+++ b/scripts/check_server/app.js
@@ -1,5 +1,6 @@
 const axios = require('axios').default;
-const protobuf = require('protobufjs');
+const ws = require('nodejs-websocket');
+const ClientNet = require('./clientnet');
 
 function get(url, params) {
   return new Promise((resolve) => {
@@ -24,20 +25,36 @@ function get(url, params) {
 }
 
 async function start() {
-  const fiendMsg = await protobuf.load('proto/friend/cs_proto.proto');
-  const fiendMsgId = await protobuf.load('proto/friend/cs_msgid.proto');
-  console.log(friendMsg, friendMsgId);
-  const {err, response} = await get(
-    'https://login-z2-test.cebg.games/webapp/index.php',
-    {
-      'c': 'Login',
-      'a': 'auth',
-      'gameid': 2006,
-      'channel': 6513,
-      'account': '123456',
-      'openid': '123456'
+  let loginData = null;
+  //console.log(err, root);
+  {
+    const {err, response} = await get(
+      'https://login-z2-test.cebg.games/webapp/index.php',
+      {
+        'c': 'Login',
+        'a': 'auth',
+        'gameid': 2006,
+        'channel': 6513,
+        'account': '123456',
+        'openid': '123456'
+      });
+    loginData = response;
+    console.log(loginData);
+  }
+  const clientNet = new ClientNet(
+    'wss://relation-test.kingsome.cn/friend/websocket',
+    'proto/friend/cs_proto.proto',
+    'proto/friend/cs_msgid.proto'
+  );
+  await clientNet.init();
+  await clientNet.connect();
+  clientNet.on('connect', () => {
+    console.log('onConnect');
+    clientNet.sendMsg('CMLogin', {
+      accountId: loginData['account_id'],
+      sessionId: loginData['session_id'],
     });
-  console.log(err, response);
+  });
 }
 
 start();
diff --git a/scripts/check_server/clientnet.js b/scripts/check_server/clientnet.js
new file mode 100644
index 0000000..7f66a4c
--- /dev/null
+++ b/scripts/check_server/clientnet.js
@@ -0,0 +1,88 @@
+const protobuf = require('protobufjs');
+const ws = require('nodejs-websocket');
+
+class ClientNet {
+
+  constructor(url, protoPbFile, msgIdPbFile) {
+    this.url = url;
+    this.conn = null;
+    this.protoPbFile = protoPbFile;
+    this.msgIdPbFile = msgIdPbFile;
+    this.protoPb = null;
+    this.msgIdPb = null;
+    this.cmMsgId = null;
+    this.smMsgId = null;
+    this.recvBuf = Buffer.alloc(0);
+  }
+
+  async init() {
+    {
+      const {err, root} = await protobuf.load(this.protoPbFile);
+      this.protoPb = root;
+    }
+    {
+      const {err, root} = await protobuf.load(this.msgIdPbFile);
+      this.msgIdPb = root;
+      this.cmMsgId = this.msgIdPb.lookup('CMMessageId_e');
+      this.smMsgId = this.msgIdPb.lookup('SMMessageId_e');
+    }
+  }
+
+  async connect() {
+    this.conn = await ws.connect(this.url);
+    this.on('binary', this.#onReceive.bind(this));
+  }
+
+  async #onReceive(inStream) {
+    inStream.on('readable', async () => {
+      console.log('inStream.readable');
+      const newData = inStream.read();
+      if (newData) {
+        this.recvBuf = Buffer.concat([this.recvBuf, newData]);
+        await this.#onParsePacket();
+      }
+    });
+    inStream.on('end', () => {
+      console.log('inStream.end', this.recvBuf.length);
+    });
+    inStream.on('close', () => {
+      console.log('inStream.close');
+    });
+  }
+
+  async #onParsePacket() {
+    while (this.recvBuf.length > 12) {
+      const msgSize = this.recvBuf.readUInt16LE(0);
+      const msgId = this.recvBuf.readUInt16LE(2);
+      const seqId = this.recvBuf.readUInt32LE(4);
+      const magicCode = this.recvBuf.readUInt16LE(8);
+      const ext = this.recvBuf.readUInt16LE(10);
+      if (this.recvBuf.length >= 12 + msgSize) {
+        this.recvBuf = this.recvBuf.slice(12 + msgSize);
+      }
+    }
+  }
+
+  on(eventName, cb) {
+    this.conn.on(eventName, cb);
+  }
+
+  async sendMsg(name, msg) {
+    const msgType = this.protoPb.lookupType(name);
+    const msgId = this.cmMsgId.values['_' + name];
+    const msgPb = msgType.create(msg);
+
+    const msgBuf = msgType.encode(msg).finish();
+    let buf = Buffer.alloc(12);
+    buf.writeInt16LE(msgBuf.length, 0);
+    buf.writeInt16LE(msgId, 2);
+    buf.writeInt32LE(0, 4);
+    buf.writeUInt8('K'.charCodeAt(0), 8);
+    buf.writeUInt8('S'.charCodeAt(0), 9);
+    buf.writeInt16LE(0, 10);
+    this.conn.sendBinary(Buffer.concat([buf, msgBuf]));
+  }
+
+}
+
+module.exports = ClientNet;
diff --git a/scripts/check_server/package-lock.json b/scripts/check_server/package-lock.json
index c757c7f..e0e0b6e 100644
--- a/scripts/check_server/package-lock.json
+++ b/scripts/check_server/package-lock.json
@@ -9,6 +9,7 @@
       "version": "1.0.0",
       "dependencies": {
         "axios": "^0.27.0",
+        "nodejs-websocket": "^1.7.2",
         "protobufjs": "^6.11.2"
       }
     },
@@ -165,6 +166,14 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/nodejs-websocket": {
+      "version": "1.7.2",
+      "resolved": "https://registry.npmjs.org/nodejs-websocket/-/nodejs-websocket-1.7.2.tgz",
+      "integrity": "sha512-PFX6ypJcCNDs7obRellR0DGTebfUhw1SXGKe2zpB+Ng1DQJhdzbzx1ob+AvJCLzy2TJF4r8cCDqMQqei1CZdPQ==",
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/protobufjs": {
       "version": "6.11.2",
       "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-6.11.2.tgz",
@@ -316,6 +325,11 @@
         "mime-db": "1.52.0"
       }
     },
+    "nodejs-websocket": {
+      "version": "1.7.2",
+      "resolved": "https://registry.npmjs.org/nodejs-websocket/-/nodejs-websocket-1.7.2.tgz",
+      "integrity": "sha512-PFX6ypJcCNDs7obRellR0DGTebfUhw1SXGKe2zpB+Ng1DQJhdzbzx1ob+AvJCLzy2TJF4r8cCDqMQqei1CZdPQ=="
+    },
     "protobufjs": {
       "version": "6.11.2",
       "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-6.11.2.tgz",
diff --git a/scripts/check_server/package.json b/scripts/check_server/package.json
index b407f35..7315574 100644
--- a/scripts/check_server/package.json
+++ b/scripts/check_server/package.json
@@ -6,6 +6,7 @@
   "scripts": {},
   "dependencies": {
     "axios": "^0.27.0",
+    "nodejs-websocket": "^1.7.2",
     "protobufjs": "^6.11.2"
   }
 }