diff --git a/main.ipynb b/main.ipynb
index 3ecc070..36f4d4d 100644
--- a/main.ipynb
+++ b/main.ipynb
@@ -1614,7 +1614,29 @@
     "):\n",
     "    exhibition = await exhibition_collection.find_one({'_id': ObjectId(exhibition_id)})\n",
     "    if exhibition:\n",
-    "        posts = await delivery_collection.find({'status': 'На выставке', \"exhibition_id\": exhibition_id}).to_list()\n",
+    "        match_ = {\n",
+    "            \"$or\": [\n",
+    "                {\"sender._id\": user.get('_id')},\n",
+    "                {\"user._id\": user.get('_id')},\n",
+    "                {\"receiver._id\": user.get('_id')}\n",
+    "            ],\n",
+    "            'prod': PROD,\n",
+    "        }\n",
+    "        if data.get('competition'):\n",
+    "            match_.update({'competition_id': data.get('competition').get('_id')})\n",
+    "        if data.get('exhibition_id'):\n",
+    "            match_.update({'exhibition_id': data.get('exhibition_id')})\n",
+    "        cursor = delivery_collection.aggregate([\n",
+    "            {\"$match\": match_},\n",
+    "            {\"$sort\": {\"_id\": -1}},\n",
+    "            {\"$group\": {\n",
+    "                \"_id\": \"$post_id\",\n",
+    "                \"doc\": {\"$first\": \"$$ROOT\"}\n",
+    "            }},\n",
+    "            {\"$replaceRoot\": {\"newRoot\": \"$doc\"}},\n",
+    "            {\"$sort\": {\"_id\": -1}},\n",
+    "        ])\n",
+    "        posts = [doc async for doc in cursor if doc.get('status') == 'На выставке']\n",
     "        return templates.TemplateResponse(\n",
     "            request=request, name=\"exhibition/index.html\", context={\"id\": 1, \"user\": user, \"exhibition\": exhibition, \"posts\": posts}\n",
     "        )\n",
diff --git a/main.py b/main.py
index 8fc16a8..e173996 100644
--- a/main.py
+++ b/main.py
@@ -1201,7 +1201,29 @@ async def exhibition_members(
 ):
     exhibition = await exhibition_collection.find_one({'_id': ObjectId(exhibition_id)})
     if exhibition:
-        posts = await delivery_collection.find({'status': 'На выставке', "exhibition_id": exhibition_id}).to_list()
+        match_ = {
+            "$or": [
+                {"sender._id": user.get('_id')},
+                {"user._id": user.get('_id')},
+                {"receiver._id": user.get('_id')}
+            ],
+            'prod': PROD,
+        }
+        if data.get('competition'):
+            match_.update({'competition_id': data.get('competition').get('_id')})
+        if data.get('exhibition_id'):
+            match_.update({'exhibition_id': data.get('exhibition_id')})
+        cursor = delivery_collection.aggregate([
+            {"$match": match_},
+            {"$sort": {"_id": -1}},
+            {"$group": {
+                "_id": "$post_id",
+                "doc": {"$first": "$$ROOT"}
+            }},
+            {"$replaceRoot": {"newRoot": "$doc"}},
+            {"$sort": {"_id": -1}},
+        ])
+        posts = [doc async for doc in cursor if doc.get('status') == 'На выставке']
         return templates.TemplateResponse(
             request=request, name="exhibition/index.html", context={"id": 1, "user": user, "exhibition": exhibition, "posts": posts}
         )