diff --git a/src/server/features/watchBuild.ts b/src/server/features/watchBuild.ts
index 0704fb5..401dd37 100644
--- a/src/server/features/watchBuild.ts
+++ b/src/server/features/watchBuild.ts
@@ -1,10 +1,9 @@
-import { Uri, disposeAll, StatusBarItem, TaskOptions, workspace } from 'coc.nvim'
+import { disposeAll, StatusBarItem, TaskOptions, Uri, workspace } from 'coc.nvim'
 import { CommandManager } from 'coc.nvim/lib/commands'
 import Task from 'coc.nvim/lib/model/task'
-import fs from 'fs'
 import path from 'path'
 import { Disposable, Location } from 'vscode-languageserver-protocol'
-import which from 'which'
+import TypeScriptServiceClient from '../typescriptServiceClient'
 
 const countRegex = /Found\s+(\d+)\s+error/
 const errorRegex = /^(.+)\((\d+),(\d+)\):\s(\w+)\sTS(\d+):\s*(.+)$/
@@ -31,7 +30,8 @@ export default class WatchProject implements Disposable {
   private options: TaskOptions
 
   public constructor(
-    commandManager: CommandManager
+    commandManager: CommandManager,
+    private client: TypeScriptServiceClient
   ) {
     this.statusItem = workspace.createStatusBarItem(1, { progress: true })
     let task = this.task = workspace.createTask('TSC')
@@ -115,36 +115,21 @@ export default class WatchProject implements Disposable {
   }
 
   public async getOptions(): Promise<TaskOptions> {
-    let res = await workspace.findUp(['node_modules'])
-    let root: string
-    let cmd: string
-    if (res) {
-      let file = path.join(path.dirname(res), 'node_modules/.bin/tsc')
-      if (fs.existsSync(file)) {
-        cmd = file
-        root = path.dirname(res)
-      }
-    }
-    if (!cmd) {
-      if (executable('tsc')) {
-        cmd = 'tsc'
-        root = workspace.cwd
-      }
-    }
-    if (!cmd) {
+    let { tscPath } = this.client
+    if (!tscPath) {
       workspace.showMessage(`Local & global tsc not found`, 'error')
       return
     }
+    let cmd: string
     let find = await workspace.findUp(['tsconfig.json'])
     if (!find) {
       workspace.showMessage('tsconfig.json not found!', 'error')
       return
     }
-    let configRoot = path.dirname(find)
-    let configPath = path.relative(root, path.join(configRoot, 'tsconfig.json'))
+    let root = path.dirname(find)
     return {
       cmd,
-      args: ['-p', configPath, '--watch', 'true', '--pretty', 'false'],
+      args: ['-p', 'tsconfig.json', '--watch', 'true', '--pretty', 'false'],
       cwd: root
     }
   }
@@ -153,12 +138,3 @@ export default class WatchProject implements Disposable {
     disposeAll(this.disposables)
   }
 }
-
-function executable(command: string): boolean {
-  try {
-    which.sync(command)
-  } catch (e) {
-    return false
-  }
-  return true
-}
diff --git a/src/server/languageProvider.ts b/src/server/languageProvider.ts
index d65f41c..ef35820 100644
--- a/src/server/languageProvider.ts
+++ b/src/server/languageProvider.ts
@@ -269,8 +269,9 @@ export default class LanguageProvider {
     }
 
     if (this.description.id == 'typescript') {
+      // this.client.apiVersion
       this.disposables.push(
-        new WatchBuild(commands)
+        new WatchBuild(commands, this.client)
       )
     }
 
diff --git a/src/server/typescriptServiceClient.ts b/src/server/typescriptServiceClient.ts
index 83cc089..772893f 100644
--- a/src/server/typescriptServiceClient.ts
+++ b/src/server/typescriptServiceClient.ts
@@ -95,6 +95,7 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
     Proto.TypesInstallerInitializationFailedEventBody
   >()
   private _apiVersion: API
+  private _tscPath: string
   private readonly disposables: Disposable[] = []
   private isRestarting = false
 
@@ -235,6 +236,10 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
     return this._apiVersion
   }
 
+  public get tscPath(): string {
+    return this._tscPath
+  }
+
   private service(): Thenable<ForkedTsServerProcess> {
     if (this.servicePromise) {
       return this.servicePromise
@@ -260,7 +265,7 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
 
   private async startService(resendModels = false): Promise<ForkedTsServerProcess> {
     const { ignoreLocalTsserver } = this.configuration
-    let currentVersion
+    let currentVersion: TypeScriptVersion
     if (!ignoreLocalTsserver) currentVersion = this.versionProvider.getLocalVersion()
     if (!currentVersion || !fs.existsSync(currentVersion.tsServerPath)) {
       currentVersion = this.versionProvider.getDefaultVersion()
@@ -274,6 +279,7 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
       return
     }
     this._apiVersion = currentVersion.version
+    this._tscPath = currentVersion.tscPath
     this.versionStatus.onDidChangeTypeScriptVersion(currentVersion)
     this.lastError = null
     const tsServerForkArgs = await this.getTsServerArgs()
@@ -281,8 +287,8 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
     const maxTsServerMemory = this._configuration.maxTsServerMemory
     const options = {
       execArgv: [
-          ...(debugPort ? [`--inspect=${debugPort}`] : []), // [`--debug-brk=5859`]
-          ...(maxTsServerMemory ? [`--max-old-space-size=${maxTsServerMemory}`] : []),
+        ...(debugPort ? [`--inspect=${debugPort}`] : []), // [`--debug-brk=5859`]
+        ...(maxTsServerMemory ? [`--max-old-space-size=${maxTsServerMemory}`] : []),
       ],
       cwd: workspace.root
     }
diff --git a/src/server/utils/versionProvider.ts b/src/server/utils/versionProvider.ts
index 0bff15a..eac8a85 100644
--- a/src/server/utils/versionProvider.ts
+++ b/src/server/utils/versionProvider.ts
@@ -20,6 +20,10 @@ export class TypeScriptVersion {
     this._api = null
   }
 
+  public get tscPath(): string {
+    return path.resolve(this.path, '../bin/tsc')
+  }
+
   public get tsServerPath(): string {
     return path.resolve(this.path, 'tsserver.js')
   }