diff --git a/tasks.ipynb b/tasks.ipynb
index 560ae4d..f04d25c 100644
--- a/tasks.ipynb
+++ b/tasks.ipynb
@@ -69,7 +69,7 @@
    "outputs": [],
    "source": [
     "async def notify_in_profile(item: NotifyItem):\n",
-    "    doc = await notify_collection.update_one(\n",
+    "    result = await notify_collection.update_one(\n",
     "        {\n",
     "            \"user_id\": item.user_id,\n",
     "            \"type\": item.type_item,\n",
@@ -90,21 +90,42 @@
     "        },\n",
     "        upsert=True,\n",
     "    )\n",
-    "    if doc.upserted_id:\n",
-    "        user = await users_collection.find_one({'_id': ObjectId(str(item.user_id))},{'email':1})\n",
-    "        login_link = f'{FULL_DOMAIN}/login/{await token_create(str(user['_id']), url=f'/profile')}'\n",
-    "        if PROD:\n",
-    "            email_task.notify.delay(user['email'], {\n",
-    "                'text': item.text,\n",
-    "                'list': [[]],\n",
-    "                'primary': {\n",
-    "                    'href': login_link,\n",
-    "                    'text': 'Войти и посмотреть'\n",
+    "\n",
+    "    if result.upserted_id is None:\n",
+    "        return result  # Existing notification was updated; no email\n",
+    "\n",
+    "    user = await users_collection.find_one(\n",
+    "        {\"_id\": ObjectId(str(item.user_id))},\n",
+    "        {\"email\": 1},\n",
+    "    )\n",
+    "\n",
+    "    if not user:\n",
+    "        return result\n",
+    "\n",
+    "    token = await token_create(\n",
+    "        str(user[\"_id\"]),\n",
+    "        url=\"/profile\",\n",
+    "    )\n",
+    "    login_link = f\"{FULL_DOMAIN}/login/{token}\"\n",
+    "\n",
+    "    if PROD:\n",
+    "        email_task.notify.delay(\n",
+    "            user[\"email\"],\n",
+    "            {\n",
+    "                \"text\": item.text,\n",
+    "                \"list\": [[]],\n",
+    "                \"primary\": {\n",
+    "                    \"href\": login_link,\n",
+    "                    \"text\": \"Войти и посмотреть\",\n",
     "                },\n",
-    "                'title': item.title,\n",
-    "                'login_link': login_link,\n",
-    "            }, 'Уведомление', 'main.html')\n",
-    "    return doc\n"
+    "                \"title\": item.title,\n",
+    "                \"login_link\": login_link,\n",
+    "            },\n",
+    "            \"Уведомление\",\n",
+    "            \"main.html\",\n",
+    "        )\n",
+    "\n",
+    "    return result\n"
    ],
    "display_name": ".venv"
   },
diff --git a/tasks.py b/tasks.py
index 252a739..594acca 100644
--- a/tasks.py
+++ b/tasks.py
@@ -12,7 +12,7 @@ import asyncio
 
 
 async def notify_in_profile(item: NotifyItem):
-    doc = await notify_collection.update_one(
+    result = await notify_collection.update_one(
         {
             "user_id": item.user_id,
             "type": item.type_item,
@@ -33,21 +33,42 @@ async def notify_in_profile(item: NotifyItem):
         },
         upsert=True,
     )
-    if doc.upserted_id:
-        user = await users_collection.find_one({'_id': ObjectId(str(item.user_id))},{'email':1})
-        login_link = f'{FULL_DOMAIN}/login/{await token_create(str(user['_id']), url=f'/profile')}'
-        if PROD:
-            email_task.notify.delay(user['email'], {
-                'text': item.text,
-                'list': [[]],
-                'primary': {
-                    'href': login_link,
-                    'text': 'Войти и посмотреть'
+
+    if result.upserted_id is None:
+        return result  # Existing notification was updated; no email
+
+    user = await users_collection.find_one(
+        {"_id": ObjectId(str(item.user_id))},
+        {"email": 1},
+    )
+
+    if not user:
+        return result
+
+    token = await token_create(
+        str(user["_id"]),
+        url="/profile",
+    )
+    login_link = f"{FULL_DOMAIN}/login/{token}"
+
+    if PROD:
+        email_task.notify.delay(
+            user["email"],
+            {
+                "text": item.text,
+                "list": [[]],
+                "primary": {
+                    "href": login_link,
+                    "text": "Войти и посмотреть",
                 },
-                'title': item.title,
-                'login_link': login_link,
-            }, 'Уведомление', 'main.html')
-    return doc
+                "title": item.title,
+                "login_link": login_link,
+            },
+            "Уведомление",
+            "main.html",
+        )
+
+    return result
 
 
 async def email_new_post(new_post: Dict):