diff --git a/.eslintrc.json b/.eslintrc.json
index 93c82f42..8a78c753 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -214,7 +214,7 @@
     ],
     "arrow-parens": [
       "error",
-      "as-needed"
+      "always"
     ],
     "arrow-body-style": [
       "error",
diff --git a/application/api/auth.2/register.js b/application/api/auth.2/register.js
index 320051f2..e1ac8a01 100644
--- a/application/api/auth.2/register.js
+++ b/application/api/auth.2/register.js
@@ -1,6 +1,6 @@
 ({
   access: 'public',
-  async method({ login, password, fullName }) => {
+  method: async ({ login, password, fullName }) => {
     const hash = await metarhia.metautil.hashPassword(password);
     await application.auth.registerUser(login, hash, fullName);
     const token = await context.client.startSession();
diff --git a/application/api/example.1/wait.js b/application/api/example.1/wait.js
index 132277e6..0e7b0835 100644
--- a/application/api/example.1/wait.js
+++ b/application/api/example.1/wait.js
@@ -1,3 +1,3 @@
-async ({ delay }) => new Promise(resolve => {
+async ({ delay }) => new Promise((resolve) => {
   setTimeout(resolve, delay, 'done');
 });
diff --git a/application/domain/remote/start.js b/application/domain/remote/start.js
index 74308482..4c03bd69 100644
--- a/application/domain/remote/start.js
+++ b/application/domain/remote/start.js
@@ -1,6 +1,6 @@
 (async () => {
   // Wait for server start
-  await new Promise(resolve => setTimeout(resolve, 100));
+  await new Promise((resolve) => setTimeout(resolve, 100));
   console.debug('Connect to metacom');
   const { url } = config.remote;
   const Metacom = metarhia.metacom;
diff --git a/application/static/.eslintrc.json b/application/static/.eslintrc.json
new file mode 100644
index 00000000..a3e1c2bb
--- /dev/null
+++ b/application/static/.eslintrc.json
@@ -0,0 +1,15 @@
+{
+  "parserOptions": {
+    "sourceType": "module"
+  },
+  "globals": {
+    "application": "readonly",
+    "api": "readonly"
+  },
+  "rules": {
+    "id-denylist": [
+      2,
+      "global"
+    ]
+  }
+}
diff --git a/application/static/console.js b/application/static/console.js
index 4828782b..2258c895 100644
--- a/application/static/console.js
+++ b/application/static/console.js
@@ -238,7 +238,7 @@ const upload = () => {
 };
 
 class Keyboard {
-  constructor(application) {
+  constructor() {
     this.controlKeyboard = document.getElementById('controlKeyboard');
     if (!isMobile()) return;
     for (let i = 0; i < KEYBOARD_LAYOUT.length; i++) {
@@ -446,6 +446,7 @@ class Application {
     } else if (args[0] === 'download') {
       const packet = await api.example.downloadFile();
       console.log({ packet });
+      saveFile('fileName', packet);
     } else if (args[0] === 'counter') {
       const packet = await api.example.counter();
       application.print(`counter: ${packet.result}`);
@@ -458,9 +459,14 @@ window.addEventListener('load', async () => {
   window.application = new Application();
   window.api = window.application.metacom.api;
   await application.metacom.load('auth', 'console', 'example');
-  const result = await api.auth.status();
-  if (result.status !== 'logged') {
-    await api.auth.signIn({ login: 'marcus', password: 'marcus' });
+  const token = localStorage.getItem('metarhia.session.token');
+  if (token) {
+    await api.auth.restore({ token });
+  } else {
+    const res = await api.auth.signin({ login: 'marcus', password: 'marcus' });
+    if (res.token) {
+      localStorage.setItem('metarhia.session.token', res.token);
+    }
   }
   const { text } = await api.console.content({ name: 'home' });
   application.print(text);
diff --git a/test/system.js b/test/system.js
index 01889f36..3e6b00f0 100644
--- a/test/system.js
+++ b/test/system.js
@@ -29,7 +29,7 @@ const tasks = [
   }
 ];
 
-const getRequest = task => {
+const getRequest = (task) => {
   const request = {
     host: HOST,
     port: PORT,
@@ -54,18 +54,18 @@ const getRequest = task => {
 };
 
 setTimeout(() => {
-  tasks.forEach(task => {
+  tasks.forEach((task) => {
     const name = task.get || task.post;
     console.log('HTTP request ' + name);
     const request = getRequest(task);
     const req = http.request(request);
-    req.on('response', res => {
+    req.on('response', (res) => {
       const expectedStatus = task.status || 200;
       setTimeout(() => {
         assert.equal(res.statusCode, expectedStatus);
       }, TEST_TIMEOUT);
     });
-    req.on('error', err => {
+    req.on('error', (err) => {
       console.log(err.stack);
     });
     if (task.data) req.write(task.data);