diff --git a/catalog/api.py b/catalog/api.py
index a5ebfc29..cd1653df 100644
--- a/catalog/api.py
+++ b/catalog/api.py
@@ -35,7 +35,7 @@ def search_item(
     query = query.strip()
     if not query:
         return 400, {"message": "Invalid query"}
-    items, num_pages, count = query_index(
+    items, num_pages, count, _ = query_index(
         query, page=page, category=category, prepare_external=False
     )
     return 200, {"data": items, "pages": num_pages, "count": count}
diff --git a/catalog/search/models.py b/catalog/search/models.py
index 32b9119e..d80a8367 100644
--- a/catalog/search/models.py
+++ b/catalog/search/models.py
@@ -39,22 +39,38 @@ else:
 
 def query_index(keywords, category=None, tag=None, page=1, prepare_external=True):
     result = Indexer.search(keywords, page=page, category=category, tag=tag)
-    keys = []
+    keys = set()
     items = []
+    duplicated_items = []
     urls = []
     for i in result.items:
-        key = (
-            i.isbn
+        if i.is_deleted or i.merged_to_item:  # only happen if index is delayed
+            continue
+        my_key = (
+            [i.isbn]
             if hasattr(i, "isbn")
-            else (i.imdb_code if hasattr(i, "imdb_code") else None)
+            else ([i.imdb_code] if hasattr(i, "imdb_code") else [])
         )
-        if key is None:
-            items.append(i)
-        elif key not in keys:  # skip dup with same imdb or isbn
-            keys.append(key)
+        if hasattr(i, "works"):
+            my_key += [i[0] for i in i.works.all().values_list("id")]
+        if len(my_key):
+            l = len(keys) + len(my_key)
+            keys.update(my_key)
+            # check and skip dup with same imdb or isbn or works id
+            if len(keys) < l:
+                duplicated_items.append(i)
+            else:
+                items.append(i)
+        else:
             items.append(i)
         for res in i.external_resources.all():
             urls.append(res.url)
+    # hide show if its season exists
+    seasons = [i for i in items if i.__class__ == TVSeason]
+    for season in seasons:
+        if season.show in items:
+            duplicated_items.append(season.show)
+            items.remove(season.show)
 
     if prepare_external:
         # store site url to avoid dups in external search
@@ -62,13 +78,7 @@ def query_index(keywords, category=None, tag=None, page=1, prepare_external=True
         urls = list(set(cache.get(cache_key, []) + urls))
         cache.set(cache_key, urls, timeout=300)
 
-    # hide show if its season exists
-    seasons = [i for i in items if i.__class__ == TVSeason]
-    for season in seasons:
-        if season.show in items:
-            items.remove(season.show)
-
-    return items, result.num_pages, result.count
+    return items, result.num_pages, result.count, duplicated_items
 
 
 def enqueue_fetch(url, is_refetch):
diff --git a/catalog/search/views.py b/catalog/search/views.py
index 42bd404e..e4b68da1 100644
--- a/catalog/search/views.py
+++ b/catalog/search/views.py
@@ -97,12 +97,13 @@ def search(request):
         if site:
             return fetch(request, keywords, False, site)
 
-    items, num_pages, _ = query_index(keywords, category, tag, p)
+    items, num_pages, _, dup_items = query_index(keywords, category, tag, p)
     return render(
         request,
         "search_results.html",
         {
             "items": items,
+            "dup_items": dup_items,
             "pagination": PageLinksGenerator(PAGE_LINK_NUMBER, p, num_pages),
             "sites": SiteName.labels,
             "hide_category": category is not None and category != "movietv",
diff --git a/catalog/templates/_item_card_metadata.html b/catalog/templates/_item_card_metadata.html
index 716b7a51..7bb03f1a 100644
--- a/catalog/templates/_item_card_metadata.html
+++ b/catalog/templates/_item_card_metadata.html
@@ -53,7 +53,7 @@
       {% include '_people.html' with people=item.genre role='' max=2 %}
       {% include '_people.html' with people=item.troupe role='' max=2 %}
       {% include '_people.html' with people=item.location role='' max=2 %}
-      {% include '_people.html' with people=item.language role='' max=5 %}
+      {% comment %} {% include '_people.html' with people=item.language role='' max=5 %} {% endcomment %}
       {% include '_people.html' with people=item.platform role='' max=5 %}
       {% if item.show %}
         <span>{{ item.show.type.label }}：<a href="{{ item.show.url }}">{{ item.show.title }}</a></span>
diff --git a/catalog/templates/search_results.html b/catalog/templates/search_results.html
index 1f41b8a5..7cec4c94 100644
--- a/catalog/templates/search_results.html
+++ b/catalog/templates/search_results.html
@@ -81,6 +81,20 @@
               {% empty %}
                 <p class="empty">{% trans '无站内条目匹配' %}</p>
               {% endfor %}
+            </div>
+            {% if dup_items %}
+              <p class="empty">
+                已从结果中略去了来自同一著作或有相同标识号的 {{ dup_items|length }}个条目，<a href="#" _="on click toggle .hidden on #dup">点击这里可重新显示</a>
+              </p>
+              <div class="item-card-list hidden" id="dup">
+                {% for item in dup_items %}
+                  {% with "list_item_"|add:item.class_name|add:".html" as template %}
+                    {% include template with show_tags=1 %}
+                  {% endwith %}
+                {% endfor %}
+              </div>
+            {% endif %}
+            <div class="item-card-list">
               {% if request.GET.q and user.is_authenticated %}
                 <p hx-get="{% url 'catalog:external_search' %}?q={{ request.GET.q }}&c={{ request.GET.c }}&page={% if pagination.current_page %}{{ pagination.current_page }}{% else %}1{% endif %}"
                    hx-trigger="load"