diff --git a/Readme.md b/Readme.md
index 49bea79..25c62f5 100644
--- a/Readme.md
+++ b/Readme.md
@@ -136,6 +136,8 @@ module will be used.
 Configurations are the same as with VSCode. Try completion with `tsserver`, `typescript`
 or `javascript` in your `coc-settings.json`.
 
+To disable tsserver with spcified buffer, use `let b:coc_tsserver_disable = 1` on buffer create.
+
 ## Related extensions
 
 - [coc-tslint-plugin](https://github.com/neoclide/coc-tslint-plugin): enable [tslint](https://github.com/palantir/tslint)
diff --git a/package.json b/package.json
index 032f477..6b64fe1 100644
--- a/package.json
+++ b/package.json
@@ -472,7 +472,7 @@
     "@types/fast-diff": "^1.2.0",
     "@types/find-up": "^2.1.1",
     "@types/node": "^12.0.7",
-    "coc.nvim": "^0.0.69",
+    "coc.nvim": "0.0.70",
     "rimraf": "^2.6.3",
     "tslint": "^5.17.0"
   },
diff --git a/src/server/features/bufferSyncSupport.ts b/src/server/features/bufferSyncSupport.ts
index 789104e..9c5d21c 100644
--- a/src/server/features/bufferSyncSupport.ts
+++ b/src/server/features/bufferSyncSupport.ts
@@ -199,6 +199,9 @@ export default class BufferSyncSupport {
   private onDidOpenTextDocument(document: TextDocument): void {
     if (!this.modeIds.has(document.languageId)) return
     let { uri } = document
+    let disable = workspace.getDocument(document.uri).getVar('tsserver_disable', 0)
+    if (disable) return
+
     let filepath = this.client.toPath(uri)
     this.uris.add(uri)
     const args: Proto.OpenRequestArgs = {
diff --git a/yarn.lock b/yarn.lock
index fe71beb..278e004 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -81,11 +81,6 @@ balanced-match@^1.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
   integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
 
-binary-search@1.3.5:
-  version "1.3.5"
-  resolved "https://registry.yarnpkg.com/binary-search/-/binary-search-1.3.5.tgz#479ad009589e0273cf54e5d74ab1546c489078ce"
-  integrity sha512-RHFP0AdU6KAB0CCZsRMU2CJTk2EpL8GLURT+4gilpjr1f/7M91FgUMnXuQLmf3OKLet34gjuNFwO7e4agdX5pw==
-
 brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
@@ -115,13 +110,12 @@ chalk@^2.0.0, chalk@^2.3.0:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
-coc.nvim@^0.0.69:
-  version "0.0.69"
-  resolved "https://registry.yarnpkg.com/coc.nvim/-/coc.nvim-0.0.69.tgz#24c47ed7443ad3af6e0e7ce1134ee06759c543fb"
-  integrity sha512-TDVAO5VulbDexlUIpnwRVuiQ60hG2Zga99Fd8wJVpyCNCEPhyiVdY4Z4zAQb0zl8zDsqqb7Cm2qIPUA4ORbTIg==
+coc.nvim@0.0.70:
+  version "0.0.70"
+  resolved "https://registry.yarnpkg.com/coc.nvim/-/coc.nvim-0.0.70.tgz#8e891b77c75a3a3f6e602796092897563615db9f"
+  integrity sha512-tEunJhtQbvZYmYbiyJQH9S3/1wGmSgTtxstBiN8gpEAW4iasEvKHAhLd29fJlUzdG+1S4OQF9q9v862k68jqzQ==
   dependencies:
     "@chemzqm/neovim" "5.1.7"
-    binary-search "1.3.5"
     debounce "^1.2.0"
     fast-diff "^1.2.0"
     fb-watchman "^2.0.0"
@@ -132,7 +126,7 @@ coc.nvim@^0.0.69:
     log4js "^4.3.1"
     minimatch "^3.0.4"
     semver "^6.1.1"
-    tslib "^1.9.3"
+    tslib "^1.10.0"
     uuid "^3.3.2"
     vscode-languageserver-protocol "^3.15.0-next.5"
     vscode-languageserver-types "^3.15.0-next.1"
@@ -490,6 +484,11 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
+tslib@^1.10.0:
+  version "1.10.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
+  integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==
+
 tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.3:
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"