diff --git a/boofilsic/settings.py b/boofilsic/settings.py
index 2009f46a..0c5bc493 100644
--- a/boofilsic/settings.py
+++ b/boofilsic/settings.py
@@ -83,6 +83,8 @@
     NEODB_DOWNLOADER_RETRIES=(int, 3),
     # Number of marks required for an item to be included in discover
     NEODB_MIN_MARKS_FOR_DISCOVER=(int, 1),
+    # if True, only show title language with NEODB_PREFERRED_LANGUAGES
+    NEODB_FILTER_LANGUAGE_FOR_DISCOVER=(bool, False),
     # Disable cron jobs, * for all
     NEODB_DISABLE_CRON_JOBS=(list, []),
     # federated search peers
@@ -215,6 +217,8 @@
 
 MIN_MARKS_FOR_DISCOVER = env("NEODB_MIN_MARKS_FOR_DISCOVER")
 
+FILTER_LANGUAGE_FOR_DISCOVER = env("NEODB_FILTER_LANGUAGE_FOR_DISCOVER")
+
 MASTODON_ALLOWED_SITES = env("NEODB_LOGIN_MASTODON_WHITELIST")
 
 # Allow user to login via any Mastodon/Pleroma sites
diff --git a/catalog/jobs/discover.py b/catalog/jobs/discover.py
index 0078b94a..8c5b15f0 100644
--- a/catalog/jobs/discover.py
+++ b/catalog/jobs/discover.py
@@ -3,13 +3,14 @@
 
 from django.conf import settings
 from django.core.cache import cache
-from django.db.models import Count, F
+from django.db.models import Count, F, Q
 from django.utils import timezone
 from loguru import logger
 
 from boofilsic.settings import MIN_MARKS_FOR_DISCOVER
 from catalog.models import *
 from common.models import BaseJob, JobManager
+from common.models.lang import PREFERRED_LOCALES
 from journal.models import (
     Collection,
     Comment,
@@ -33,12 +34,23 @@ class DiscoverGenerator(BaseJob):
     interval = timedelta(hours=1)
 
     def get_popular_marked_item_ids(self, category, days, exisiting_ids):
-        item_ids = [
-            m["item_id"]
-            for m in ShelfMember.objects.filter(q_item_in_category(category))
+        qs = (
+            ShelfMember.objects.filter(q_item_in_category(category))
             .filter(created_time__gt=timezone.now() - timedelta(days=days))
             .exclude(item_id__in=exisiting_ids)
-            .values("item_id")
+        )
+        if settings.FILTER_LANGUAGE_FOR_DISCOVER:
+            q = None
+            for loc in PREFERRED_LOCALES:
+                if q:
+                    q = q | Q(item__metadata__localized_title__contains=[{"lang": loc}])
+                else:
+                    q = Q(item__metadata__localized_title__contains=[{"lang": loc}])
+            if q:
+                qs = qs.filter(q)
+        item_ids = [
+            m["item_id"]
+            for m in qs.values("item_id")
             .annotate(num=Count("item_id"))
             .filter(num__gte=MIN_MARKS)
             .order_by("-num")[:MAX_ITEMS_PER_PERIOD]
diff --git a/catalog/sites/douban_game.py b/catalog/sites/douban_game.py
index 66c4b054..b15f65f0 100644
--- a/catalog/sites/douban_game.py
+++ b/catalog/sites/douban_game.py
@@ -5,6 +5,7 @@
 from catalog.common import *
 from catalog.models import *
 from common.models.lang import detect_language
+from common.models.misc import uniq
 
 from .douban import DoubanDownloader
 
@@ -89,7 +90,7 @@ def scrape(self):
         )
         img_url = img_url_elem[0].strip() if img_url_elem else None
 
-        titles = set([title] + other_title + ([orig_title] if orig_title else []))
+        titles = uniq([title] + other_title + ([orig_title] if orig_title else []))
         localized_title = [{"lang": detect_language(t), "text": t} for t in titles]
         localized_desc = [{"lang": detect_language(brief), "text": brief}]
 
diff --git a/common/models/lang.py b/common/models/lang.py
index f797fb64..b40a5b1e 100644
--- a/common/models/lang.py
+++ b/common/models/lang.py
@@ -241,7 +241,20 @@
     "hak": _("Hakka Chinese"),
 }
 
-ZH_LOCALE_SUBTAGS_PRIO.keys()
+
+def get_preferred_locales():
+    locales = []
+    for k in PREFERRED_LANGUAGES:
+        if k == "zh":
+            locales += list(ZH_LOCALE_SUBTAGS_PRIO.keys()) + list(
+                ZH_LOCALE_SUBTAGS.keys()
+            )
+        else:
+            locales.append(k)
+    return locales
+
+
+PREFERRED_LOCALES = get_preferred_locales()
 
 
 def get_base_lang_list():
diff --git a/compose.yml b/compose.yml
index 6d9966b5..93a11423 100644
--- a/compose.yml
+++ b/compose.yml
@@ -25,7 +25,7 @@ x-shared:
       NEODB_SITE_LINKS:
       NEODB_SITE_DESCRIPTION:
       NEODB_ALTERNATIVE_DOMAINS:
-      NEODB_LANGUAGE:
+      NEODB_PREFERRED_LANGUAGES:
       NEODB_ADMIN_USERNAMES:
       NEODB_INVITE_ONLY:
       NEODB_LOGIN_MASTODON_WHITELIST:
@@ -34,6 +34,7 @@ x-shared:
       NEODB_DISABLE_CRON_JOBS:
       NEODB_SEARCH_PEERS:
       NEODB_MIN_MARKS_FOR_DISCOVER:
+      NEODB_FILTER_LANGUAGE_FOR_DISCOVER:
       NEODB_SENTRY_DSN:
       TAKAHE_SENTRY_DSN:
       NEODB_SENTRY_SAMPLE_RATE: