diff --git a/runtimes/nodejs/Dockerfile b/runtimes/nodejs/Dockerfile
index f899bf8014..c1ededacf9 100644
--- a/runtimes/nodejs/Dockerfile
+++ b/runtimes/nodejs/Dockerfile
@@ -17,6 +17,7 @@ COPY . /app
 # COPY --chown=node:node . /app
 RUN mkdir /app/data || true
 RUN chown node:node /app/data
+RUN chown node:node /app/functions
 # RUN npm install
 # RUN npm run build
 RUN chown -R node:node /app/node_modules
diff --git a/runtimes/nodejs/README.md b/runtimes/nodejs/README.md
index 8a0955a4e6..bb2ca06d1e 100644
--- a/runtimes/nodejs/README.md
+++ b/runtimes/nodejs/README.md
@@ -1,4 +1,3 @@
-
 # Intro
 
 `runtime-nodejs` is the application service engine of `laf`, responsible for:
diff --git a/runtimes/nodejs/functions/global.d.ts b/runtimes/nodejs/functions/global.d.ts
new file mode 100644
index 0000000000..808ec118f6
--- /dev/null
+++ b/runtimes/nodejs/functions/global.d.ts
@@ -0,0 +1,79 @@
+/**
+ * The input parameters of cloud function calls
+ */
+declare interface FunctionContext {
+  __function_name: string
+
+  /**
+   * This object is parsed from JWT Token Payload
+   */
+  user?: {
+    [key: string]: any
+  }
+
+  /**
+   * Uploaded file, the file object array
+   */
+  files?: File[]
+
+  /**
+   * HTTP headers
+   */
+  headers?: IncomingHttpHeaders
+
+  /**
+   * HTTP Query parameter (URL parameter), JSON object
+   */
+  query?: any
+
+  /**
+   * HTTP Body
+   */
+  body?: any
+
+  /**
+   *
+   */
+  params?: any
+
+  /**
+   * HTTP Request ID
+   */
+  requestId?: string
+
+  /**
+   * HTTP Method
+   */
+  method?: string
+
+  /**
+   * Express request object
+   */
+  request?: HttpRequest
+
+  /**
+   * Express response object
+   */
+  response?: HttpResponse
+
+  /**
+   * WebSocket object
+   */
+  socket?: WebSocket
+
+  [key: string]: any
+}
+
+interface IModule {
+  exports: any
+}
+
+interface IProcess {
+  /**
+   * Environment
+   */
+  env: any
+}
+
+declare const module: IModule
+declare const process: IProcess
diff --git a/runtimes/nodejs/functions/tsconfig.json b/runtimes/nodejs/functions/tsconfig.json
new file mode 100644
index 0000000000..b12affb72f
--- /dev/null
+++ b/runtimes/nodejs/functions/tsconfig.json
@@ -0,0 +1,14 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "baseUrl": "./",
+    "paths": {
+      "@/*": ["./*"]
+    }
+  },
+  "include": [
+    "./*"
+  ]
+}
\ No newline at end of file
diff --git a/runtimes/nodejs/package-lock.json b/runtimes/nodejs/package-lock.json
index 6a81334285..fe901cb09d 100644
--- a/runtimes/nodejs/package-lock.json
+++ b/runtimes/nodejs/package-lock.json
@@ -34,7 +34,10 @@
         "node-modules-utils": "^1.0.0-beta.14",
         "nodemailer": "^6.6.3",
         "pako": "^2.1.0",
+        "typescript-language-server": "^3.3.2",
         "validator": "^13.7.0",
+        "vscode-languageserver": "^9.0.1",
+        "vscode-ws-jsonrpc-cjs": "^3.0.0",
         "ws": "^8.11.0",
         "zlib": "^1.0.5"
       },
@@ -1445,6 +1448,23 @@
         "node": ">=14.0.0"
       }
     },
+    "node_modules/@smithy/chunked-blob-reader": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@smithy/chunked-blob-reader/-/chunked-blob-reader-2.0.0.tgz",
+      "integrity": "sha512-k+J4GHJsMSAIQPChGBrjEmGS+WbPonCXesoqP9fynIqjn7rdOThdH8FAeCmokP9mxTYKQAKoHCLPzNlm6gh7Wg==",
+      "dependencies": {
+        "tslib": "^2.5.0"
+      }
+    },
+    "node_modules/@smithy/chunked-blob-reader-native": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/@smithy/chunked-blob-reader-native/-/chunked-blob-reader-native-2.0.1.tgz",
+      "integrity": "sha512-N2oCZRglhWKm7iMBu7S6wDzXirjAofi7tAd26cxmgibRYOBS4D3hGfmkwCpHdASZzwZDD8rluh0Rcqw1JeZDRw==",
+      "dependencies": {
+        "@smithy/util-base64": "^2.0.1",
+        "tslib": "^2.5.0"
+      }
+    },
     "node_modules/@smithy/config-resolver": {
       "version": "2.0.22",
       "resolved": "https://registry.npmjs.org/@smithy/config-resolver/-/config-resolver-2.0.22.tgz",
@@ -5505,6 +5525,17 @@
         "node": ">=14.17"
       }
     },
+    "node_modules/typescript-language-server": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/typescript-language-server/-/typescript-language-server-3.3.2.tgz",
+      "integrity": "sha512-jzun53CIkTbpAki0nP+hk5baGW+86SNNlVhyIj2ZUy45zUkCnmoetWuAtfRRQYrlIr8x4QB3ymGJPuwDQSd/ew==",
+      "bin": {
+        "typescript-language-server": "lib/cli.mjs"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
     "node_modules/underscore": {
       "version": "1.13.6",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.6.tgz",
@@ -5610,6 +5641,59 @@
         "extsprintf": "^1.2.0"
       }
     },
+    "node_modules/vscode-jsonrpc": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-8.1.0.tgz",
+      "integrity": "sha512-6TDy/abTQk+zDGYazgbIPc+4JoXdwC8NHU9Pbn4UJP1fehUyZmM4RHp5IthX7A6L5KS30PRui+j+tbbMMMafdw==",
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/vscode-languageserver": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/vscode-languageserver/-/vscode-languageserver-9.0.1.tgz",
+      "integrity": "sha512-woByF3PDpkHFUreUa7Hos7+pUWdeWMXRd26+ZX2A8cFx6v/JPTtd4/uN0/jB6XQHYaOlHbio03NTHCqrgG5n7g==",
+      "dependencies": {
+        "vscode-languageserver-protocol": "3.17.5"
+      },
+      "bin": {
+        "installServerIntoExtension": "bin/installServerIntoExtension"
+      }
+    },
+    "node_modules/vscode-languageserver-protocol": {
+      "version": "3.17.5",
+      "resolved": "https://registry.npmjs.org/vscode-languageserver-protocol/-/vscode-languageserver-protocol-3.17.5.tgz",
+      "integrity": "sha512-mb1bvRJN8SVznADSGWM9u/b07H7Ecg0I3OgXDuLdn307rl/J3A9YD6/eYOssqhecL27hK1IPZAsaqh00i/Jljg==",
+      "dependencies": {
+        "vscode-jsonrpc": "8.2.0",
+        "vscode-languageserver-types": "3.17.5"
+      }
+    },
+    "node_modules/vscode-languageserver-protocol/node_modules/vscode-jsonrpc": {
+      "version": "8.2.0",
+      "resolved": "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-8.2.0.tgz",
+      "integrity": "sha512-C+r0eKJUIfiDIfwJhria30+TYWPtuHJXHtI7J0YlOmKAo7ogxP20T0zxB7HZQIFhIyvoBPwWskjxrvAtfjyZfA==",
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/vscode-languageserver-types": {
+      "version": "3.17.5",
+      "resolved": "https://registry.npmjs.org/vscode-languageserver-types/-/vscode-languageserver-types-3.17.5.tgz",
+      "integrity": "sha512-Ld1VelNuX9pdF39h2Hgaeb5hEZM2Z3jUrrMgWQAu82jMtZp7p3vJT3BzToKtZI7NgQssZje5o0zryOrhQvzQAg=="
+    },
+    "node_modules/vscode-ws-jsonrpc-cjs": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/vscode-ws-jsonrpc-cjs/-/vscode-ws-jsonrpc-cjs-3.0.0.tgz",
+      "integrity": "sha512-4ZomHJ+UczRPvBEhCqPx8Qp2phqSYEXawyAqtnzrmVp4DNGQErUelj+hh7iGl0Y7mn0PHJOrppx/Nce5LH9JZw==",
+      "dependencies": {
+        "vscode-jsonrpc": "~8.1.0"
+      },
+      "engines": {
+        "node": ">=16.11.0",
+        "npm": ">=8.0.0"
+      }
+    },
     "node_modules/web-encoding": {
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/web-encoding/-/web-encoding-1.1.5.tgz",
diff --git a/runtimes/nodejs/package.json b/runtimes/nodejs/package.json
index 9b1559be5d..c7eba0ff06 100644
--- a/runtimes/nodejs/package.json
+++ b/runtimes/nodejs/package.json
@@ -51,7 +51,10 @@
     "node-modules-utils": "^1.0.0-beta.14",
     "nodemailer": "^6.6.3",
     "pako": "^2.1.0",
+    "typescript-language-server": "^3.3.2",
     "validator": "^13.7.0",
+    "vscode-languageserver": "^9.0.1",
+    "vscode-ws-jsonrpc-cjs": "^3.0.0",
     "ws": "^8.11.0",
     "zlib": "^1.0.5"
   },
@@ -83,4 +86,4 @@
   "lint-staged": {
     "*.{ts,js}": "eslint --fix"
   }
-}
+}
\ No newline at end of file
diff --git a/runtimes/nodejs/src/handler/typings.ts b/runtimes/nodejs/src/handler/typings.ts
index 7e0a47494a..74eb1b05f5 100644
--- a/runtimes/nodejs/src/handler/typings.ts
+++ b/runtimes/nodejs/src/handler/typings.ts
@@ -21,7 +21,6 @@ const nodeModulesRoot = path.resolve(__dirname, '../../node_modules')
  * Gets declaration files of a dependency package
  */
 export async function handlePackageTypings(req: IRequest, res: Response) {
-
   // verify the debug token
   const token = req.get('x-laf-develop-token')
   if (!token) {
@@ -87,9 +86,12 @@ export async function handlePackageTypings(req: IRequest, res: Response) {
   }
 }
 
-
-
-async function getThreePartyPackageTypings(req: IRequest, res: Response, basePath: string, packageName: string) {
+async function getThreePartyPackageTypings(
+  req: IRequest,
+  res: Response,
+  basePath: string,
+  packageName: string,
+) {
   const requestId = req['requestId']
   try {
     // Gets other three-party package types
@@ -106,4 +108,4 @@ async function getThreePartyPackageTypings(req: IRequest, res: Response, basePat
       error: error.toString(),
     })
   }
-}
\ No newline at end of file
+}
diff --git a/runtimes/nodejs/src/index.ts b/runtimes/nodejs/src/index.ts
index 1090d2fb91..17e31635e9 100644
--- a/runtimes/nodejs/src/index.ts
+++ b/runtimes/nodejs/src/index.ts
@@ -21,6 +21,9 @@ import xmlparser from 'express-xml-bodyparser'
 import './support/cloud-sdk'
 import storageServer from './storage-server'
 import { DatabaseChangeStream } from './support/database-change-stream'
+import url from 'url'
+
+import { LspWebSocket } from './support/lsp'
 import { createCloudSdk } from './support/cloud-sdk'
 
 // hack: set createCloudSdk to global object to make it available in @lafjs/cloud package
@@ -97,6 +100,12 @@ const server = app.listen(Config.PORT, () =>
  * WebSocket upgrade & connect
  */
 server.on('upgrade', (req, socket, head) => {
+  const pathname = req.url ? url.parse(req.url).pathname : undefined
+  if (pathname === '/_/lsp') {
+    LspWebSocket.handleUpgrade(req, socket, head)
+    return
+  }
+
   WebSocketAgent.server.handleUpgrade(req, socket as any, head, (client) => {
     WebSocketAgent.server.emit('connection', client, req)
   })
diff --git a/runtimes/nodejs/src/support/lsp.ts b/runtimes/nodejs/src/support/lsp.ts
new file mode 100644
index 0000000000..f33b198d3c
--- /dev/null
+++ b/runtimes/nodejs/src/support/lsp.ts
@@ -0,0 +1,178 @@
+import path from 'path'
+import fs from 'fs'
+import * as rpc from 'vscode-ws-jsonrpc-cjs'
+import * as lsp from 'vscode-languageserver'
+import * as server from 'vscode-ws-jsonrpc-cjs/server'
+import * as ws from 'ws'
+import { IncomingMessage } from 'http'
+import { Duplex } from 'stream'
+import { uniqueId } from 'lodash'
+import { logger } from './logger'
+import { parseToken } from './token'
+
+const WORKSPACE_PATH = path.join(__dirname, '../../functions')
+
+export class LspWebSocket {
+  private static lspWS = new ws.WebSocketServer({
+    noServer: true,
+    perMessageDeflate: false,
+  })
+
+  static handleUpgrade(
+    request: IncomingMessage,
+    socket: Duplex,
+    upgradeHead: Buffer,
+  ) {
+    // verify the debug token
+    {
+      const token = request.headers['sec-websocket-protocol'] as string
+      if (!token) {
+        request.destroy(new Error('x-laf-develop-token is needed'))
+        return
+      }
+
+      const auth = parseToken(token) || null
+      if (auth?.type !== 'develop') {
+        request.destroy(new Error('permission denied: invalid develop token'))
+        return
+      }
+    }
+
+    this.lspWS.handleUpgrade(request, socket, upgradeHead, (webSocket) => {
+      const socket = {
+        send: (content) =>
+          webSocket.send(content, (error) => {
+            if (error) {
+              throw error
+            }
+          }),
+        onMessage: (cb) => webSocket.on('message', cb),
+        onError: (cb) => webSocket.on('error', cb),
+        onClose: (cb) => webSocket.on('close', cb),
+        dispose: () => webSocket.close(),
+      }
+
+      if (webSocket.readyState === webSocket.OPEN) {
+        const uid = uniqueId()
+        this.launchLsp(socket, uid)
+        logger.info(`Launched ts lsp server ${uid}`)
+      }
+    })
+  }
+
+  static launchLsp(socket: rpc.IWebSocket, uid: string) {
+    if (!fs.existsSync(WORKSPACE_PATH)) {
+      fs.mkdirSync(WORKSPACE_PATH)
+    }
+
+    const reader = new rpc.WebSocketMessageReader(socket)
+    const writer = new rpc.WebSocketMessageWriter(socket)
+
+    // start the language server as an external process
+    const tlsPath = path.join(
+      __dirname,
+      '../../node_modules/typescript-language-server/lib/cli.mjs',
+    )
+
+    const socketConnection = server.createConnection(reader, writer, () =>
+      socket.dispose(),
+    )
+    const serverConnection = server.createServerProcess(
+      'typescript-language-server',
+      'node',
+      [
+        tlsPath,
+        '--stdio',
+        '--log-level',
+        '4',
+        '--tsserver-log-verbosity',
+        'off',
+      ],
+    )
+
+    server.forward(
+      socketConnection,
+      serverConnection,
+      (message: lsp.Message & { method: string }) => {
+        if (
+          message.method === 'window/logMessage' ||
+          message.method === 'initialize'
+        ) {
+          return message
+        }
+
+        // @ts-ignore
+        if (message?.error?.code === -32601) {
+          // suppress error messages that cause lsp server to shut down
+          return '' as any
+        }
+
+        if (lsp.Message.isRequest(message)) {
+          if (message.method === lsp.InitializeRequest.type.method) {
+            const initializeParams = message.params as lsp.InitializeParams
+            initializeParams.processId = process.pid
+            initializeParams.workspaceFolders = [
+              {
+                name: 'statics',
+                uri: `file://${WORKSPACE_PATH}`,
+              },
+            ]
+          }
+        }
+
+        if (lsp.Message.isNotification(message)) {
+          if (
+            message.method === lsp.DidOpenTextDocumentNotification.type.method
+          ) {
+            const params = message.params as lsp.DidOpenTextDocumentParams
+            const [, fullPath] = params.textDocument.uri.split('//')
+
+            if (!fullPath.includes('node_modules')) {
+              // write file if not exists
+              if (!fs.existsSync(fullPath)) {
+                const dir = path.dirname(fullPath)
+                if (!fs.existsSync(dir)) {
+                  fs.mkdirSync(dir, {
+                    recursive: true,
+                  })
+                }
+                fs.writeFileSync(fullPath, params.textDocument.text)
+              }
+            }
+          }
+
+          if (
+            message.method === lsp.DidCloseTextDocumentNotification.type.method
+          ) {
+            const params = message.params as lsp.DidCloseTextDocumentParams
+            const [, fullPath] = params.textDocument.uri.split('//')
+
+            if (!fullPath.includes('node_modules')) {
+              // delete file if exists
+              if (fs.existsSync(fullPath)) {
+                fs.unlinkSync(fullPath)
+              }
+
+              let dir = path.dirname(fullPath)
+
+              // remove empty dir
+              if (dir.startsWith(WORKSPACE_PATH)) {
+                while (dir !== WORKSPACE_PATH) {
+                  if (fs.readdirSync(dir).length === 0) {
+                    fs.rmdirSync(dir)
+                    dir = path.dirname(dir)
+                  }
+                }
+              }
+            }
+          }
+        }
+        return message
+      },
+    )
+
+    socketConnection.onClose(() => {
+      logger.info(`lsp server ${uid} closed`)
+    })
+  }
+}
diff --git a/runtimes/nodejs/start.sh b/runtimes/nodejs/start.sh
index 2051d50b80..f2ac8d0427 100644
--- a/runtimes/nodejs/start.sh
+++ b/runtimes/nodejs/start.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+ln -s $CUSTOM_DEPENDENCY_BASE_PATH/node_modules $PWD/functions/node_modules > /dev/null 2>&1 
+
 # source .env
 echo "****** start service: node $FLAGS --experimental-vm-modules  --experimental-fetch ./dist/index.js *******"
 exec node $FLAGS --experimental-vm-modules  --experimental-fetch ./dist/index.js
\ No newline at end of file
diff --git a/server/src/function/dto/create-function.dto.ts b/server/src/function/dto/create-function.dto.ts
index 79aa4aa7db..69983fedd8 100644
--- a/server/src/function/dto/create-function.dto.ts
+++ b/server/src/function/dto/create-function.dto.ts
@@ -43,11 +43,9 @@ export class CreateFunctionDto {
     if (this.tags?.length >= 8) {
       return 'tags length must less than 8'
     }
-
-    if (this.name.includes('./') || this.name.includes('../')) {
+    if (this.name.includes('./')) {
       return 'the relative path is not allowed in function name'
     }
-
     return null
   }
 }