diff --git a/pyproject.toml b/pyproject.toml
index e690bd7..5d31a51 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,8 +15,8 @@ redis = { extras = ["hiredis"], version = "^5.0.1" }
 ariadne = "^0.21"
 starlette = "^0.32"
 uvicorn = "^0.24"
-httpx = "^0.25.0"
 itsdangerous = "^2.1.2"
+aiohttp = "^3.9.1"
 
 [tool.poetry.dev-dependencies]
 pytest = "^7.4.2"
diff --git a/services/auth.py b/services/auth.py
index 0a8fee0..988749d 100644
--- a/services/auth.py
+++ b/services/auth.py
@@ -1,5 +1,5 @@
 from functools import wraps
-from httpx import AsyncClient
+import aiohttp
 
 from services.core import get_author
 from settings import AUTH_URL
@@ -15,21 +15,21 @@ async def check_auth(req):
     operation = "GetUserId"
 
     gql = {
-        "query": query_type + " " + operation + " { " + query_name + " { user { id } } " + " }",
+        "query": query_type + " " + operation + " { " + query_name + " { user { id } } }",
         "operationName": operation,
         "variables": None,
     }
 
-    async with AsyncClient(timeout=30.0) as client:
-        response = await client.post(AUTH_URL, headers=headers, json=gql)
-        print(f"[services.auth] {AUTH_URL} response: {response.status_code}")
-        if response.status_code != 200:
-            return False, None
-        r = response.json()
-        if r:
-            user_id = r.get("data", {}).get(query_name, {}).get("user", {}).get("id", None)
-            is_authenticated = user_id is not None
-            return is_authenticated, user_id
+    async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=30.0)) as session:
+        async with session.post(AUTH_URL, headers=headers, json=gql) as response:
+            print(f"[services.auth] {AUTH_URL} response: {response.status}")
+            if response.status != 200:
+                return False, None
+            r = await response.json()
+            if r:
+                user_id = r.get("data", {}).get(query_name, {}).get("user", {}).get("id", None)
+                is_authenticated = user_id is not None
+                return is_authenticated, user_id
     return False, None
 
 
@@ -43,12 +43,9 @@ def login_required(f):
         if not is_authenticated:
             raise Exception("You are not logged in")
         else:
-            # Добавляем author_id в контекст
-            author = await get_author(user_id)
-            if author:
-                context["author_id"] = author.id
-            elif user_id:
-                context["user_id"] = user_id
+            # Добавляем author_id и user_id в контекст
+            context["author_id"] = await get_author(user_id)
+            context["user_id"] = user_id
 
         # Если пользователь аутентифицирован, выполняем резолвер
         return await f(*args, **kwargs)
diff --git a/services/core.py b/services/core.py
index 6114ae2..abe8733 100644
--- a/services/core.py
+++ b/services/core.py
@@ -1,24 +1,23 @@
-from httpx import AsyncClient
+import aiohttp
 from settings import API_BASE
 from typing import List, Any
 from models.member import ChatMember
 
-
 headers = {"Content-Type": "application/json"}
 
 
 async def _request_endpoint(query_name, body) -> Any:
-    async with AsyncClient() as client:
+    async with aiohttp.ClientSession() as session:
         try:
-            response = await client.post(API_BASE, headers=headers, json=body)
-            print(f"[services.core] {query_name}: [{response.status_code}] {len(response.text)} bytes")
-            if response.status_code != 200:
-                return []
-            r = response.json()
-            if r:
-                return r.get("data", {}).get(query_name, {})
-            else:
-                raise Exception("json response error")
+            async with session.post(API_BASE, headers=headers, json=body) as response:
+                print(f"[services.core] {query_name}: [{response.status}] {len(await response.text())} bytes")
+                if response.status != 200:
+                    return []
+                r = await response.json()
+                if r:
+                    return r.get("data", {}).get(query_name, {})
+                else:
+                    raise Exception("json response error")
         except Exception:
             import traceback