fix front

public/index.html

@@ -188,9 +188,15 @@
 
       async function loadBalance() {
         try {
-          const res = await fetch(basePath + "/balance");
+          const config = window.SMS_CONFIG || {};
+          const params = new URLSearchParams({ login: config.login, psw: config.psw });
+          const res = await fetch(basePath + "/balance?" + params);
           const data = await res.json();
-          document.getElementById("balance").textContent = data.balance;
+          if (data.error) {
+            document.getElementById("balance").textContent = "Auth Error";
+          } else {
+            document.getElementById("balance").textContent = data.balance;
+          }
         } catch (err) {
           document.getElementById("balance").textContent = "Error";
         }