diff --git a/misc/nginx.conf.d/neodb-dev.conf b/misc/nginx.conf.d/neodb-dev.conf
index 726ae84a..28f29bd2 100644
--- a/misc/nginx.conf.d/neodb-dev.conf
+++ b/misc/nginx.conf.d/neodb-dev.conf
@@ -32,6 +32,10 @@ server {
         alias /www/m/;
         add_header Cache-Control "public, max-age=604800, immutable";
     }
+    # backwards compatibility with versions before 2023.11
+    location ~* ^/media/(album|book|game|item|movie)/(.+)$ {
+        return 302 https://$host/m/$1/$2;
+    }
     # Proxies media and remote media with caching
     location ~* ^/(media|proxy) {
         # Cache media and proxied resources
diff --git a/misc/nginx.conf.d/neodb.conf b/misc/nginx.conf.d/neodb.conf
index 4273b242..c52b4be2 100644
--- a/misc/nginx.conf.d/neodb.conf
+++ b/misc/nginx.conf.d/neodb.conf
@@ -40,6 +40,10 @@ server {
         alias /www/m/;
         add_header Cache-Control "public, max-age=604800, immutable";
     }
+    # backwards compatibility with versions before 2023.11
+    location ~* ^/media/(album|book|game|item|movie)/(.+)$ {
+        return 302 https://$host/m/$1/$2;
+    }
     # Proxies media and remote media with caching
     location ~* ^/(media|proxy) {
         # Cache media and proxied resources
diff --git a/users/templates/users/preferences.html b/users/templates/users/preferences.html
index e5529231..d631a5dc 100644
--- a/users/templates/users/preferences.html
+++ b/users/templates/users/preferences.html
@@ -98,7 +98,7 @@
               </fieldset>
               {% if request.user.mastodon_acct %}
                 <fieldset>
-                  转发到 @{{ request.user.mastodon_acct }} 时间轴时：
+                  转发到<em data-tooltip="@{{ request.user.mastodon_acct }}">主ID</em>时间轴时：
                   <input type="radio"
                          name="mastodon_repost_mode"
                          value="0"
@@ -119,7 +119,7 @@
                 </fieldset>
                 <fieldset>
                   <label>
-                    发表时默认选中转发到 @{{ request.user.mastodon_acct }} 时间轴
+                    发表时默认选中 转发到<em data-tooltip="@{{ request.user.mastodon_acct }}">主ID</em>时间轴
                     <input type="checkbox"
                            name="mastodon_default_repost"
                            value="1"