diff --git a/www/res/js/modules/locutus.js b/www/res/js/modules/locutus.js
index 463e0b1..ec89996 100644
--- a/www/res/js/modules/locutus.js
+++ b/www/res/js/modules/locutus.js
@@ -14,7 +14,7 @@ export class App {
             this.defaultLocation = '/welcome';
             this.account = null;
         } else {
-            let session = JSON.parse(localStorage.session);
+            const session = JSON.parse(localStorage.session);
             this.defaultLocation = '/';
             this.account = session.account;
         }
@@ -30,7 +30,7 @@ export class App {
     }
 
     setHash(hash) {
-        let url = new URL(document.URL);
+        const url = new URL(document.URL);
         url.hash = hash;
         location.href = url.toString();
     }
@@ -42,7 +42,7 @@ export class App {
     handleHash(hash) {
         if (hash[0] === '#') hash = hash.substr(1);
 
-        let defaultCase = () => {
+        const defaultCase = () => {
             history.replaceState(null, null, `#${this.defaultLocation}`);
             this.handleHash(this.defaultLocation);
         }
@@ -92,11 +92,11 @@ export class App {
             }
         }
 
-        let session = new USIMP.Session(domain);
-        let rtt = await session.chooseDomainServer();
+        const session = new USIMP.Session(domain);
+        const rtt = await session.chooseDomainServer();
         console.log(rtt);
 
-        let response = await session.authenticate(accountName, password);
+        const response = await session.authenticate(accountName, password);
         if (response.status === "success") {
             this.session = session;
             this.defaultLocation = "/";
@@ -127,7 +127,7 @@ export class App {
     }
 
     addWelcomeWindow() {
-        let win = document.createElement("div");
+        const win = document.createElement("div");
         win.classList.add("window-welcome");
 
         win.innerHTML = `
@@ -138,18 +138,18 @@ export class App {
     }
 
     addMessage(message) {
-        let msg = document.createElement("div");
+        const msg = document.createElement("div");
         msg.classList.add("message");
 
         msg.innerText = message;
 
-        let chat = this.main.getElementsByClassName("chat-history")[0];
+        const chat = this.main.getElementsByClassName("chat-history")[0];
         chat.appendChild(msg);
         chat.scrollTop = chat.scrollHeight;
     }
 
     addLoginWindow() {
-        let win = document.createElement("div");
+        const win = document.createElement("div");
         win.classList.add("window-login");
 
         win.innerHTML = `
@@ -161,17 +161,20 @@ export class App {
                 <button type="submit">Login</button>
             </form>`;
 
-        win.getElementsByTagName("form")[0].addEventListener("submit", async (evt) => {
-            evt.preventDefault();
-            let form = evt.target;
-            for (let e of form) e.disabled = true;
+        win.getElementsByTagName("form")[0].addEventListener("submit", async (event) => {
+            event.preventDefault();
+            const form = event.target;
+            for (const e of form) {
+                e.disabled = true;
+                e.removeAttribute("invalid");
+            }
 
-            for (let d of form.getElementsByTagName("div")) {
+            for (const d of form.getElementsByTagName("div")) {
                 form.removeChild(d);
             }
 
             function formError(msg) {
-                let div = document.createElement("div");
+                const div = document.createElement("div");
                 div.classList.add("error");
                 div.innerText = msg;
                 form.appendChild(div);
@@ -186,9 +189,8 @@ export class App {
                     document.getElementsByName("domain")[0].setAttribute("invalid", "invalid");
                 }
                 formError(error.toString());
-                console.error(error);
             } finally {
-                for (let e of form) e.disabled = false;
+                for (const e of form) e.disabled = false;
             }
         });
 
@@ -214,7 +216,7 @@ export class App {
                 </div>
             </div>`;
 
-        let input = document.getElementsByName("message")[0];
+        const input = document.getElementsByName("message")[0];
         input.addEventListener("keyup", (event) => {
             if (event.key === "Enter" && input.value.length > 0) {
                 this.session.sendEvent("60nc0XXDIYUh6QzX4p0rMpCdzDmxghZLZk8dLuQh628", {