diff --git a/boofilsic/settings.py b/boofilsic/settings.py
index bc732c78..bb8d681a 100644
--- a/boofilsic/settings.py
+++ b/boofilsic/settings.py
@@ -10,7 +10,7 @@ try:
     with open(os.path.join(BASE_DIR, "build_version")) as f:
         NEODB_VERSION = __version__ + "-" + f.read().strip()
 except:
-    NEODB_VERSION = __version__ + "-dev"
+    NEODB_VERSION = __version__ + "-unknown"
 
 
 # Parse configuration from:
@@ -155,6 +155,7 @@ elif _parsed_email_url.scheme:
 
 SITE_DOMAIN = env("NEODB_SITE_DOMAIN")
 SITE_INFO = {
+    "neodb_version": NEODB_VERSION,
     "site_name": env("NEODB_SITE_NAME"),
     "site_domain": SITE_DOMAIN,
     "site_url": env("NEODB_SITE_URL", default="https://" + SITE_DOMAIN),
diff --git a/common/templates/_footer.html b/common/templates/_footer.html
index e6626a2d..383630ae 100644
--- a/common/templates/_footer.html
+++ b/common/templates/_footer.html
@@ -10,6 +10,7 @@
     <a class="footer__link" href="{% url 'management:list' %}">公告栏</a>
     <a class="footer__link" href="{% url 'oauth2_provider:developer' %}">应用开发</a>
     <a class="footer__link"
+       title="{{ neodb_version }}"
        target="_blank"
        rel="noopener"
        href="https://github.com/neodb-social">源代码</a>
diff --git a/common/templates/_sidebar.html b/common/templates/_sidebar.html
index d9453121..7a160281 100644
--- a/common/templates/_sidebar.html
+++ b/common/templates/_sidebar.html
@@ -213,6 +213,17 @@
   {% if sidebar_template %}
     {% include sidebar_template %}
   {% endif %}
+  {% if request.user.is_superuser and identity.local and request.user.identity != identity and request.GET.sudo %}
+    <section class="hijacker">
+      <form action="{% url 'hijack:acquire' %}" method="post">
+        {% csrf_token %}
+        <input type="hidden" name="user_pk" value="{{ identity.user.pk }}">
+        <button type="submit">View as them</button>
+        <button _="on click hide .hijacker then halt default">Hide</button>
+        <input type="hidden" name="next" value="{{ request.path }}">
+      </form>
+    </section>
+  {% endif %}
 </aside>
 <script>
   $(function () {
diff --git a/management/templates/management/list.html b/management/templates/management/list.html
index 66eaf0c0..188d1d9e 100644
--- a/management/templates/management/list.html
+++ b/management/templates/management/list.html
@@ -37,6 +37,7 @@
     <main class="container">
       <h1 class="header">
         {% trans '公告栏' %}
+        {% if request.user.is_superuser %}🦹🏻{% endif %}
         {% if request.user.is_staff %}🧙🏻{% endif %}
       </h1>
       {% if request.user.is_superuser %}