diff --git a/wai-server/.env.development b/wai-server/.env.development
index 45152ff..5f34498 100644
--- a/wai-server/.env.development
+++ b/wai-server/.env.development
@@ -11,5 +11,5 @@ NODE_ENV='development'
 
 WEBHOOK_URL='https://p9axztuwd7x8a7.mycht.cn/whatsapp_server/wawebhook'
 
-SERVER_DOMAIN=''
+SERVER_DOMAIN='http://202.103.68.93:3031'
 SERVER_NAME='aliyun1'
diff --git a/wai-server/api/channels/channel.controller.js b/wai-server/api/channels/channel.controller.js
index bbf18a4..6b3b20b 100644
--- a/wai-server/api/channels/channel.controller.js
+++ b/wai-server/api/channels/channel.controller.js
@@ -9,7 +9,7 @@ const waInstance = {
 exports.newConnect = async ctx => {
   try {
     const { phone } = ctx.query;
-    const findSession = getConnection({ sesson_id: phone, status: 'open' });
+    const findSession = await getConnection({ sesson_id: phone, status: 'open' });
     if (findSession) {
       return findSession;
     }
diff --git a/wai-server/api/index.js b/wai-server/api/index.js
index 648510c..157f03b 100644
--- a/wai-server/api/index.js
+++ b/wai-server/api/index.js
@@ -21,6 +21,11 @@ function applyApiMiddleware(app) {
     });
 
   app.use(router.routes()).use(router.allowedMethods());
+
+  // debug: Print out all registered routes
+  router.stack.forEach(layer => {
+    console.log(`${layer.methods} ${layer.path}`);
+  });
 }
 
 module.exports = applyApiMiddleware;
diff --git a/wai-server/api/users/index.js b/wai-server/api/users/index.js
deleted file mode 100644
index 0c29102..0000000
--- a/wai-server/api/users/index.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = require('./user.routes');
diff --git a/wai-server/api/users/user.controller.js b/wai-server/api/users/user.controller.js
deleted file mode 100644
index 09b2206..0000000
--- a/wai-server/api/users/user.controller.js
+++ /dev/null
@@ -1,54 +0,0 @@
-'use strict';
-
-const generateId = require('../../utils/generateId.util');
-
-/**
- * Mock database, replace this with your db models import, required to perform query to your database.
- */
-const db = {
-  users: [
-    {
-      id: 'bff28903-042e-47c2-b9ee-07c3954989ec',
-      name: 'Marco',
-      created_at: 1558536830937,
-    },
-    {
-      id: 'dca01a32-36e6-4886-af75-8e7caa0162a9',
-      name: 'Leonardo',
-      created_at: 1558536843742,
-    },
-    {
-      id: 'dca01a32-36e6-4886-af75-8e7caa0162a9',
-      name: 'Berta',
-      created_at: 1558536863550,
-    },
-  ],
-};
-function sleep(ms) {
-  return new Promise(resolve => setTimeout(resolve, ms));
-}
-exports.getOne = async ctx => {
-  const { userId } = ctx.params;
-  const user = db.users.find(user => user.id === userId);
-  await sleep(500);
-  ctx.assert(user, 404, "The requested user doesn't exist");
-  return user;
-};
-
-exports.getAll = async ctx => {
-  return db.users;
-};
-
-exports.createOne = async ctx => {
-  const { name } = ctx.request.body;
-  ctx.assert(name, 400, 'The user info is malformed!');
-  const id = generateId();
-  const newUser = {
-    id,
-    name,
-    timestamp: Date.now(),
-  };
-  db.users.push(newUser);
-  const createdUser = db.users.find(user => user.id === id);
-  return createdUser;
-};
diff --git a/wai-server/api/users/user.routes.js b/wai-server/api/users/user.routes.js
deleted file mode 100644
index 03ca522..0000000
--- a/wai-server/api/users/user.routes.js
+++ /dev/null
@@ -1,16 +0,0 @@
-'use strict';
-
-const controller = require('./user.controller');
-
-module.exports = Router => {
-  const router = new Router({
-    prefix: `/users`,
-  });
-
-  router
-    .get('/:userId', controller.getOne)
-    .get('/', controller.getAll)
-    .post('/', controller.createOne);
-
-  return router;
-};
diff --git a/wai-server/core/services/whatsappHandler.js b/wai-server/core/services/whatsappHandler.js
index 12f7e78..6a55bbd 100644
--- a/wai-server/core/services/whatsappHandler.js
+++ b/wai-server/core/services/whatsappHandler.js
@@ -28,8 +28,8 @@ const webhookBodyBuilder = (messageData, messageType) => {
 
 const setupConnectionHandler = () => {
   // connectionEventNames.forEach(eventName => {
-  logger.info(`Setting up event ${'connection:added'}`);
   whatsappEvents.on('connection:added', async connectionData => {
+    logger.info(`Setting up event ${'connection:added'}`);
     try {
       await addConnection({
         ...objectMapper(connectionData, { phone: [{ key: 'wa_id' }, { key: 'sesson_id' }], channelId: 'channel_id', createTimestamp: 'createtime' }),
@@ -41,6 +41,7 @@ const setupConnectionHandler = () => {
     }
   });
   whatsappEvents.on('connection:updated', async connectionData => {
+    logger.info(`Setting up event ${'connection:updated'}`);
     try {
       await updateConnection({
         ...objectMapper(connectionData, { phone: [{ key: 'wa_id' }, { key: 'sesson_id' }], channelId: 'channel_id' }),
diff --git a/wai-server/middleware/components/forward.middleware.js b/wai-server/middleware/components/forward.middleware.js
new file mode 100644
index 0000000..b5d4d9b
--- /dev/null
+++ b/wai-server/middleware/components/forward.middleware.js
@@ -0,0 +1,19 @@
+const { domain } = require('../../config').server;
+const { isEmpty } = require('../../utils/commons.util');
+const { getConnection } = require('../../services/connections.service');
+const axios = require('axios');
+
+module.exports = async (ctx, next) => {
+  try {
+    console.log('forward start ---------------');
+    // console.log(/^\/wai-server\/v\d{1}\/(?!channels|messages)/.test(ctx.path));
+    const { waisession } = ctx.headers;
+    const findSession = await getConnection({ sesson_id: waisession, status: 'open' });
+    if (!isEmpty(findSession) && findSession.connect_domain === domain) {
+      await next();
+    }
+    // todo: forward to target server
+
+    console.log('forward End ---------------');
+  } catch (err) {}
+};
diff --git a/wai-server/middleware/components/request.middleware.js b/wai-server/middleware/components/request.middleware.js
index 1ce8523..074f295 100644
--- a/wai-server/middleware/components/request.middleware.js
+++ b/wai-server/middleware/components/request.middleware.js
@@ -1,6 +1,5 @@
 module.exports = async (ctx, next) => {
   try {
-    console.log('request handdle');
     const data = await next();
     ctx.body = {
       errcode: 0,
diff --git a/wai-server/middleware/components/request_log.middleware.js b/wai-server/middleware/components/request_log.middleware.js
index ac5fb67..b336951 100644
--- a/wai-server/middleware/components/request_log.middleware.js
+++ b/wai-server/middleware/components/request_log.middleware.js
@@ -1,8 +1,7 @@
 const { createRequestLog } = require('../../services/requestLogs.service');
-const rlog = async (ctx, next) => {
-  try {
-    console.log('request log');
 
+module.exports = async (ctx, next) => {
+  try {
     await next();
   } catch (err) {
   } finally {
@@ -14,4 +13,3 @@ const rlog = async (ctx, next) => {
     });
   }
 };
-module.exports = rlog;
diff --git a/wai-server/middleware/index.js b/wai-server/middleware/index.js
index b04dafc..48a3875 100644
--- a/wai-server/middleware/index.js
+++ b/wai-server/middleware/index.js
@@ -9,12 +9,13 @@ function applyMiddleware(app) {
   const components = fs.readdirSync(basePath);
   const nosorts = components.filter(item => item.indexOf('request.middleware') === -1);
 
-  nosorts.forEach(file => {
+  [...nosorts, 'request.middleware.js'].forEach(file => {
     const componentMiddleware = require(path.join(basePath, file));
     app.use(componentMiddleware);
   });
-  const requestHandler = require(path.join(basePath, 'request.middleware.js')); // 必须在最后
-  app.use(requestHandler);
+
+  // const requestHandler = require(path.join(basePath, 'request.middleware.js')); // 必须在最后
+  // app.use(requestHandler);
 }
 
 module.exports = applyMiddleware;
diff --git a/wai-server/models/connections.js b/wai-server/models/connections.js
index 10a9fef..5218419 100644
--- a/wai-server/models/connections.js
+++ b/wai-server/models/connections.js
@@ -9,10 +9,6 @@ module.exports = function(sequelize, DataTypes) {
         allowNull: false,
         primaryKey: true,
       },
-      opi_sn: {
-        type: DataTypes.INTEGER,
-        allowNull: true,
-      },
       wa_id: {
         type: DataTypes.STRING(100),
         allowNull: true,