diff --git a/Readme.md b/Readme.md
index 49bea79..f1aa8c0 100644
--- a/Readme.md
+++ b/Readme.md
@@ -53,8 +53,9 @@ Almost the same as VSCode.
 - Rename imports on file rename.
 - Search for workspace symbols.
 
-Tsserver module is resolved from your local workspace. If it's not found, the bundled tsserver
-module will be used.
+Tsserver module first resolved from your local workspace. If it's not found,
+use tsserver from `tsserver.tsdk` configuration or use bundled tsserver with
+this extension.
 
 ## Configuration options
 
@@ -83,7 +84,7 @@ module will be used.
 - `typescript.suggestionActions.enabled`:Enable/disable suggestion diagnostics for TypeScript files in the editor. Requires using TypeScript 2.8 or newer in the workspace., default: `true`
 - `typescript.validate.enable`:Enable/disable TypeScript validation., default: `true`
 - `typescript.useBatchedBufferSync`: use batched buffer synchronize support.
-- `typescript.showUnused`: show unused variable hint.
+- `typescript.showUnused`: show unused variable hint, default: `true`.
 - `typescript.suggest.enabled` default: `true`
 - `typescript.suggest.paths`:Enable/disable suggest paths in import statement and require calls, default: `true`
 - `typescript.suggest.autoImports`:Enable/disable auto import suggests., default: `true`
diff --git a/package.json b/package.json
index 0547749..d5816d0 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,10 @@
   "engines": {
     "coc": "^0.0.69"
   },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/neoclide/coc-tsserver.git"
+  },
   "keywords": [
     "coc.nvim",
     "tsserver",
@@ -125,6 +129,11 @@
           "default": true,
           "description": "Use tsserver for javascript files"
         },
+        "tsserver.ignoreLocalTsserver": {
+          "type": "boolean",
+          "default": false,
+          "description": "Always use tsserver module from tsserver.tsdk or tsserver extension."
+        },
         "tsserver.tsdk": {
           "type": "string",
           "default": "",
diff --git a/src/server/typescriptServiceClient.ts b/src/server/typescriptServiceClient.ts
index a95d0f4..b7746fc 100644
--- a/src/server/typescriptServiceClient.ts
+++ b/src/server/typescriptServiceClient.ts
@@ -258,12 +258,18 @@ export default class TypeScriptServiceClient implements ITypeScriptServiceClient
   }
 
   private async startService(resendModels = false): Promise<ForkedTsServerProcess> {
-    let currentVersion = this.versionProvider.getLocalVersion()
+    const { ignoreLocalTsserver } = this.configuration
+    let currentVersion
+    if (!ignoreLocalTsserver) currentVersion = this.versionProvider.getLocalVersion()
     if (!currentVersion || !fs.existsSync(currentVersion.tsServerPath)) {
-      currentVersion = await this.versionProvider.getDefaultVersion()
+      currentVersion = this.versionProvider.getDefaultVersion()
     }
     if (!currentVersion || !currentVersion.isValid) {
-      workspace.showMessage(`Can not find tsserver, run ':CocInstall coc-tsserver' to fix it!`, 'error')
+      if (this.configuration.globalTsdk) {
+        workspace.showMessage(`Can not find typescript module, in 'tsserver.tsdk': ${this.configuration.globalTsdk}`, 'error')
+      } else {
+        workspace.showMessage(`Can not find typescript module, run ':CocInstall coc-tsserver' to fix it!`, 'error')
+      }
       return
     }
     this._apiVersion = currentVersion.version
diff --git a/src/server/utils/configuration.ts b/src/server/utils/configuration.ts
index 8a0bc8c..cba937c 100644
--- a/src/server/utils/configuration.ts
+++ b/src/server/utils/configuration.ts
@@ -56,6 +56,10 @@ export class TypeScriptServiceConfiguration {
     return this._configuration.get<string | null>('tsdk', null)
   }
 
+  public get ignoreLocalTsserver(): boolean {
+    return this._configuration.get<boolean>('ignoreLocalTsserver', false)
+  }
+
   public get tsServerLogLevel(): TsServerLogLevel {
     return TsServerLogLevel.fromString(this._configuration.get<string | null>('log', null))
   }
diff --git a/src/server/utils/versionProvider.ts b/src/server/utils/versionProvider.ts
index ba6b50a..df83b4f 100644
--- a/src/server/utils/versionProvider.ts
+++ b/src/server/utils/versionProvider.ts
@@ -90,7 +90,7 @@ export class TypeScriptVersionProvider {
     this.configuration = configuration
   }
 
-  public async getDefaultVersion(): Promise<TypeScriptVersion> {
+  public getDefaultVersion(): TypeScriptVersion {
     // tsdk from configuration
     let { globalTsdk } = this.configuration
     if (globalTsdk) return new TypeScriptVersion(globalTsdk)
@@ -108,7 +108,8 @@ export class TypeScriptVersionProvider {
     for (let p of folders) {
       if (fs.existsSync(path.join(p, 'node_modules/typescript/lib'))) {
         let lib = path.join(p, 'node_modules/typescript/lib')
-        return new TypeScriptVersion(lib)
+        let version = new TypeScriptVersion(lib)
+        if (version.isValid) return version
       }
     }
     return null