fix: make LoginPage.render async to unify async render contract

public/js/app.js

@@ -90,7 +90,7 @@ const App = {
     const pub = document.getElementById('public-page');
     pub.classList.remove('hidden');
     const comp = page === 'login' ? LoginPage : page === 'register' ? RegisterPage : page === 'install' ? InstallPage : HomePage;
-    Promise.resolve(comp.render(param)).then(html => { pub.innerHTML = html; if (comp.mount) comp.mount(param); });
+    comp.render(param).then(html => { pub.innerHTML = html; if (comp.mount) comp.mount(param); });
   },
 
   showLayout() {

public/js/pages/login.js

@@ -1,5 +1,5 @@
 const LoginPage = {
-  render() {
+  async render() {
     return `
       <div class="pub-card">
         <div class="logo"><i class="fas fa-shield-halved"></i><h2>欢迎回来</h2><p>登录您的账号</p></div>