diff --git a/README.md b/README.md
index 5f8ae59..d557625 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ coc-test is created.
 
   cd /Users/fannheyward/src/coc-test && npm i
 
-then "set runtimepath^=/Users/fannheyward/src/coc-test" in vimrc/init.vim, and you will see "[coc.nvim] coc-test works!" in vim messages.
+then "set runtimepath^=/Users/fannheyward/src/coc-test" in vimrc/init.vim, and you will see "[coc.nvim] coc-test works!" notification.
 ```
 
 1. `:CocCommand coc-test.Command` for command
diff --git a/template/src/index.ts b/template/src/index.ts
index 267c3ff..977ce94 100644
--- a/template/src/index.ts
+++ b/template/src/index.ts
@@ -2,14 +2,14 @@ import { commands, CompleteResult, ExtensionContext, listManager, sources, windo
 import DemoList from './lists';
 
 export async function activate(context: ExtensionContext): Promise<void> {
-  window.showMessage(`[title] works!`);
+  window.showInformationMessage('[title] works!');
 
   context.subscriptions.push(
     commands.registerCommand('[title].Command', async () => {
-      window.showMessage(`[title] Commands works!`);
+      window.showInformationMessage('[title] Commands works!');
     }),
 
-    listManager.registerList(new DemoList(workspace.nvim)),
+    listManager.registerList(new DemoList()),
 
     sources.createSource({
       name: '[title] completion source', // unique id
@@ -23,7 +23,7 @@ export async function activate(context: ExtensionContext): Promise<void> {
       ['n'],
       '[keymap-title]-keymap',
       async () => {
-        window.showMessage(`registerKeymap`);
+        window.showInformationMessage('registerKeymap');
       },
       { sync: false }
     ),
@@ -32,7 +32,7 @@ export async function activate(context: ExtensionContext): Promise<void> {
       event: 'InsertLeave',
       request: true,
       callback: () => {
-        window.showMessage(`registerAutocmd on InsertLeave`);
+        window.showInformationMessage('registerAutocmd on InsertLeave');
       },
     })
   );
diff --git a/template/src/lists.ts b/template/src/lists.ts
index 85176a8..a3dffc7 100644
--- a/template/src/lists.ts
+++ b/template/src/lists.ts
@@ -1,4 +1,4 @@
-import { BasicList, ListAction, ListContext, ListItem, Neovim, window } from 'coc.nvim';
+import { BasicList, ListAction, ListContext, ListItem, window } from 'coc.nvim';
 
 export default class DemoList extends BasicList {
   public readonly name = 'demo_list';
@@ -6,11 +6,11 @@ export default class DemoList extends BasicList {
   public readonly defaultAction = 'open';
   public actions: ListAction[] = [];
 
-  constructor(nvim: Neovim) {
-    super(nvim);
+  constructor() {
+    super();
 
     this.addAction('open', (item: ListItem) => {
-      window.showMessage(`${item.label}, ${item.data.name}`);
+      window.showInformationMessage(`${item.label}, ${item.data.name}`);
     });
   }