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diff --git a/templates/status/500.tmpl b/templates/status/500.tmpl
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+{{/* This page should only depend the minimal template functions/variables, to avoid triggering new panics.
+* base template functions: AppName, AssetUrlPrefix, AssetVersion, AppSubUrl, ThemeName
+* ctx.Locale
+* .Flash
+* .ErrorMsg
+* .SignedUser (optional)
+*/}}
+<!DOCTYPE html>
+<html lang="{{ctx.Locale.Lang}}" data-theme="{{ThemeName .SignedUser}}">
+<head>
+	<meta name="viewport" content="width=device-width, initial-scale=1">
+	<title>{{ctx.Locale.Tr "error.server_internal"}} - {{AppDisplayName}}</title>
+	<link rel="icon" href="{{AssetUrlPrefix}}/img/favicon.svg" type="image/svg+xml">
+	<link rel="alternate icon" href="{{AssetUrlPrefix}}/img/favicon.png" type="image/png">
+	{{template "base/head_style" .}}
+</head>
+<body>
+	<div class="full height">
+		<nav class="ui secondary menu">
+			<div class="ui container tw-flex">
+				<div class="item tw-flex-1">
+					<a href="{{AppSubUrl}}/" aria-label="{{ctx.Locale.Tr "home"}}">
+						<img width="30" height="30" src="{{AssetUrlPrefix}}/img/logo.svg" alt="{{ctx.Locale.Tr "logo"}}" aria-hidden="true">
+					</a>
+				</div>
+				<div class="item">
+					<button class="ui icon button disabled">{{svg "octicon-three-bars"}}</button>{{/* a fake button to make the UI looks better*/}}
+				</div>
+			</div>
+		</nav>
+		<div class="divider tw-my-0"></div>
+		<div role="main" class="page-content status-page-500">
+			<div class="ui container" >
+				<style> .ui.message.flash-message { text-align: left; } </style>
+				{{template "base/alert" .}}
+			</div>
+			<div class="ui container center">
+				<h1 class="tw-mt-8 error-code">500</h1>
+				<p>{{ctx.Locale.Tr "error.server_internal"}}</p>
+			</div>
+			<div class="divider"></div>
+			<div class="ui container tw-my-8">
+				{{if .ErrorMsg}}
+					<p>{{ctx.Locale.Tr "error.occurred"}}:</p>
+					<pre class="tw-whitespace-pre-wrap tw-break-all">{{.ErrorMsg}}</pre>
+				{{end}}
+				<div class="center tw-mt-8">
+					{{if or .SignedUser.IsAdmin .ShowFooterVersion}}<p>{{ctx.Locale.Tr "admin.config.app_ver"}}: {{AppVer}}</p>{{end}}
+					{{if .SignedUser.IsAdmin}}<p>{{ctx.Locale.Tr "error.report_message"}}</p>{{end}}
+				</div>
+			</div>
+		</div>
+	</div>
+
+	{{/* When a sub-template triggers an 500 error, its parent template has been partially rendered, then the 500 page
+		will be rendered after that partially rendered page, the HTML/JS are totally broken. Use this inline script to try to move it to main viewport.
+		And this page shouldn't include any other JS file, avoid duplicate JS execution (still due to the partial rendering).*/}}
+	<script type="module">
+		const embedded = document.querySelector('.page-content .page-content.status-page-500');
+		if (embedded) {
+			// move the 500 error page content to main view
+			const embeddedParent = embedded.parentNode;
+			let main = document.querySelector('.page-content');
+			main = main ?? document.querySelector('body');
+			main.prepend(document.createElement('hr'));
+			main.prepend(embedded);
+			embeddedParent.remove(); // remove the unrelated 500-page elements (eg: the duplicate nav bar)
+		}
+	</script>
+</body>
+</html>