fix: add logout text label in top bar

public/js/app.js

@@ -99,7 +99,7 @@ const App = {
       el.innerHTML = `<span class="tm ts">${U.esc(u.game_name||u.username)}</span>
         <a href="#/dashboard" class="btn btn-p btn-sm"><i class="fas fa-chart-simple"></i> 控制台</a>
         ${Auth.isAdmin() ? `<a href="#/unclaimed" class="btn btn-o btn-sm">待处理</a>`:''}
-        <button class="btn btn-o btn-sm" onclick="App.logout()"><i class="fas fa-sign-out-alt"></i></button>`;
+        <button class="btn btn-o btn-sm" onclick="App.logout()"><i class="fas fa-sign-out-alt"></i> 退出</button>`;
     } else {
       el.innerHTML = `<a href="#/login" class="btn btn-o btn-sm"><i class="fas fa-sign-in-alt"></i> 登录</a><a href="#/register" class="btn btn-p btn-sm"><i class="fas fa-user-plus"></i> 注册</a>`;
       el.style.display = 'flex';