diff --git a/bot.py b/bot.py
index b8acd475..fae803d5 100644
--- a/bot.py
+++ b/bot.py
@@ -8,6 +8,7 @@ from aiogram.filters import ExceptionTypeFilter
 from aiogram.fsm.storage.memory import MemoryStorage
 from aiogram.types import BufferedInputFile, ErrorEvent
 from aiogram.utils.markdown import hbold
+import subprocess
 
 from config import ADMIN_ID, API_TOKEN
 from filters.private import IsPrivateFilter
@@ -17,7 +18,16 @@ bot = Bot(token=API_TOKEN, default=DefaultBotProperties(parse_mode=ParseMode.HTM
 storage = MemoryStorage()
 dp = Dispatcher(bot=bot, storage=storage)
 
-version = "4.3-b240504 (ORM update)"
+
+def get_git_commit_number() -> str:
+    try:
+        count = subprocess.check_output(["git", "rev-list", "--count", "HEAD"])
+        return count.decode("utf-8").strip()
+    except Exception:
+        return "unknown"
+
+
+version = f"4.3-b240504 (commit #{get_git_commit_number()})"
 
 dp.message.filter(IsPrivateFilter())
 dp.callback_query.filter(IsPrivateFilter())
diff --git a/database/keys.py b/database/keys.py
index dae971e7..0a4048de 100644
--- a/database/keys.py
+++ b/database/keys.py
@@ -185,3 +185,13 @@ async def mark_key_as_unfrozen(
         ),
         {"expiry": new_expiry_time, "tg_id": tg_id, "client_id": client_id},
     )
+
+
+async def update_key_tariff(session: AsyncSession, client_id: str, tariff_id: int):
+    await session.execute(
+        update(Key)
+        .where(Key.client_id == client_id)
+        .values(tariff_id=tariff_id)
+    )
+    await session.commit()
+    logger.info(f"Тариф ключа {client_id} обновлён на {tariff_id}")
diff --git a/database/tariffs.py b/database/tariffs.py
index dd81fd5a..3d4aae07 100644
--- a/database/tariffs.py
+++ b/database/tariffs.py
@@ -45,6 +45,15 @@ async def get_tariffs_for_cluster(session: AsyncSession, cluster_name: str):
             .limit(1)
         )
         row = server_row.first()
+        
+        if not row:
+            server_row = await session.execute(
+                select(Server.tariff_group)
+                .where(Server.server_name == cluster_name)
+                .limit(1)
+            )
+            row = server_row.first()
+            
         if not row or not row[0]:
             return []
 
diff --git a/handlers/admin/clusters/clusters_handler.py b/handlers/admin/clusters/clusters_handler.py
index f60f01f2..9b23e018 100644
--- a/handlers/admin/clusters/clusters_handler.py
+++ b/handlers/admin/clusters/clusters_handler.py
@@ -495,6 +495,7 @@ async def handle_sync_server(
                 Key.client_id,
                 Key.email,
                 Key.expiry_time,
+                Key.tariff_id,
             )
             .join(Key, Server.cluster_name == Key.server_id)
             .where(Server.server_name == server_name)
@@ -530,6 +531,8 @@ async def handle_sync_server(
                     key["email"],
                     key["expiry_time"],
                     semaphore,
+                    plan=key["tariff_id"],
+                    session=session,
                 )
                 await asyncio.sleep(0.6)
             except Exception as e:
diff --git a/handlers/admin/tariffs/tariffs_handler.py b/handlers/admin/tariffs/tariffs_handler.py
index 6fc486d4..70af9ff5 100644
--- a/handlers/admin/tariffs/tariffs_handler.py
+++ b/handlers/admin/tariffs/tariffs_handler.py
@@ -156,7 +156,7 @@ async def process_tariff_traffic(message: Message, state: FSMContext):
         )
         return
 
-    await state.update_data(traffic_limit=traffic * 1024**3 if traffic > 0 else None)
+    await state.update_data(traffic_limit=traffic if traffic > 0 else None)
     await state.set_state(TariffCreateState.device_limit)
     await message.answer(
         "📱 Введите <b>лимит устройств (HWID)</b> для тарифа (например: <i>3</i>, 0 — безлимит):",
@@ -315,7 +315,7 @@ async def view_tariff(
         return
 
     traffic_text = (
-        f"{tariff.traffic_limit // 1024**3} ГБ" if tariff.traffic_limit else "Безлимит"
+        f"{tariff.traffic_limit} ГБ" if tariff.traffic_limit else "Безлимит"
     )
     device_text = (
         f"{tariff.device_limit}" if tariff.device_limit is not None else "Безлимит"
@@ -453,7 +453,7 @@ async def apply_edit(message: Message, state: FSMContext, session: AsyncSession)
             if num < 0:
                 raise ValueError
             if field == "traffic_limit":
-                value = num * 1024**3 if num > 0 else None
+                value = num if num > 0 else None
             elif field == "device_limit":
                 value = num if num > 0 else None
             else:
diff --git a/handlers/admin/users/users_handler.py b/handlers/admin/users/users_handler.py
index 2b6cb007..b0e99b17 100644
--- a/handlers/admin/users/users_handler.py
+++ b/handlers/admin/users/users_handler.py
@@ -917,7 +917,12 @@ async def confirm_admin_key_reissue(
                 )
                 return
 
-        await update_subscription(tg_id, email, session, cluster_override=cluster_id)
+        result = await session.execute(
+            select(Key.remnawave_link).where(Key.email == email)
+        )
+        remnawave_link = result.scalar_one_or_none()
+
+        await update_subscription(tg_id, email, session, cluster_override=cluster_id, remnawave_link=remnawave_link)
 
         await handle_key_edit(
             callback_query,
@@ -1149,58 +1154,51 @@ async def process_user_search(
 async def change_expiry_time(
     expiry_time: int, email: str, session: AsyncSession
 ) -> Exception | None:
-    result = await session.execute(select(Key.client_id).where(Key.email == email))
-    client_id = result.scalar_one_or_none()
-    if client_id is None:
+    result = await session.execute(select(Key.client_id, Key.tariff_id, Key.server_id).where(Key.email == email))
+    row = result.first()
+    if not row:
         return ValueError(f"User with email {email} was not found")
-
-    result = await session.execute(
-        select(Key.server_id).where(Key.client_id == client_id)
-    )
-    server_id = result.scalar_one_or_none()
+    
+    client_id, tariff_id, server_id = row
     if server_id is None:
         return ValueError(f"Key with client_id {client_id} was not found")
 
-    result = await session.execute(
-        select(Server.tariff_group)
-        .where(or_(Server.server_name == server_id, Server.cluster_name == server_id))
-        .limit(1)
+    traffic_limit = 0
+    device_limit = None
+    if tariff_id:
+        result = await session.execute(
+            select(Tariff.traffic_limit, Tariff.device_limit)
+            .where(Tariff.id == tariff_id, Tariff.is_active.is_(True))
+        )
+        tariff = result.first()
+        if tariff:
+            traffic_limit = int(tariff[0]) if tariff[0] is not None else 0
+            device_limit = int(tariff[1]) if tariff[1] is not None else None
+
+    servers = await get_servers(session=session)
+
+    if server_id in servers:
+        target_cluster = server_id
+    else:
+        target_cluster = None
+        for cluster_name, cluster_servers in servers.items():
+            if any(s.get("server_name") == server_id for s in cluster_servers):
+                target_cluster = cluster_name
+                break
+        
+        if not target_cluster:
+            return ValueError(f"No suitable cluster found for server {server_id}")
+
+    await renew_key_in_cluster(
+        cluster_id=target_cluster,
+        email=email,
+        client_id=client_id,
+        new_expiry_time=expiry_time,
+        total_gb=traffic_limit,
+        session=session,
+        hwid_device_limit=device_limit
     )
-    tariff_group = result.scalar_one_or_none()
-    if not tariff_group:
-        return ValueError(f"Tariff group not found for server_id={server_id}")
-
-    result = await session.execute(
-        select(Tariff.duration_days, Tariff.traffic_limit)
-        .where(Tariff.group_code == tariff_group, Tariff.is_active.is_(True))
-        .order_by(Tariff.duration_days)
-    )
-    tariffs = result.all()
-    if not tariffs:
-        return ValueError(f"No tariffs found for group {tariff_group}")
-
-    added_days = max((expiry_time - int(time.time() * 1000)) / (1000 * 86400), 1)
-    closest_tariff = min(tariffs, key=lambda t: abs(t[0] - added_days))
-    traffic_limit = closest_tariff[1] or 0
-
-    clusters = await get_servers(session=session)
-
-    async def update_key_on_all_servers():
-        tasks = [
-            renew_key_in_cluster(
-                cluster_id=cluster_name,
-                email=email,
-                client_id=client_id,
-                new_expiry_time=expiry_time,
-                total_gb=traffic_limit,
-                session=session,
-            )
-            for cluster_name in clusters
-        ]
-        await asyncio.gather(*tasks, return_exceptions=True)
-
-    await update_key_on_all_servers()
-
+    
     await update_key_expiry(session, client_id, expiry_time)
     return None
 
diff --git a/handlers/keys/key_mode/key_cluster_mode.py b/handlers/keys/key_mode/key_cluster_mode.py
index b6ac41d9..17a8831e 100644
--- a/handlers/keys/key_mode/key_cluster_mode.py
+++ b/handlers/keys/key_mode/key_cluster_mode.py
@@ -77,15 +77,18 @@ async def key_cluster_mode(
         is_trial = data.get("is_trial", False)
 
         device_limit = 0
-        traffic_limit_bytes = None
+        traffic_limit_gb = None
 
         if is_trial:
             device_limit = TRIAL_CONFIG.get("hwid_limit", 1)
-            traffic_limit_bytes = int(TRIAL_CONFIG.get("traffic_limit_gb", 100) * 1024**3)
+            traffic_limit_gb = TRIAL_CONFIG.get("traffic_limit_gb", 100)
         elif plan:
             tariff = await get_tariff_by_id(session, plan)
-            if tariff and tariff.get("device_limit") is not None:
-                device_limit = int(tariff["device_limit"])
+            if tariff:
+                if tariff.get("device_limit") is not None:
+                    device_limit = int(tariff["device_limit"])
+                if tariff.get("traffic_limit") is not None:
+                    traffic_limit_gb = int(tariff["traffic_limit"])
 
         least_loaded_cluster = await get_least_loaded_cluster(session)
         await create_key_on_cluster(
@@ -97,7 +100,8 @@ async def key_cluster_mode(
             plan=plan,
             session=session,
             hwid_limit=device_limit,
-            traffic_limit_bytes=traffic_limit_bytes,
+            traffic_limit_bytes=traffic_limit_gb,
+            is_trial=is_trial,
         )
 
         logger.info(
diff --git a/handlers/keys/key_mode/key_country_mode.py b/handlers/keys/key_mode/key_country_mode.py
index 99d410ff..f145b17b 100644
--- a/handlers/keys/key_mode/key_country_mode.py
+++ b/handlers/keys/key_mode/key_country_mode.py
@@ -41,6 +41,7 @@ from handlers.buttons import (
     PC_BUTTON,
     SUPPORT,
     TV_BUTTON,
+    MY_SUB
 )
 from handlers.keys.key_utils import create_client_on_server
 from handlers.texts import SELECT_COUNTRY_MSG, key_message_success
@@ -349,7 +350,6 @@ async def finalize_key_creation(
         client_id = old_key_details["client_id"]
         email = old_key_details["email"]
         expiry_timestamp = old_key_details["expiry_time"]
-
     else:
         while True:
             key_name = generate_random_email()
@@ -360,6 +360,25 @@ async def finalize_key_creation(
         email = key_name.lower()
         expiry_timestamp = int(expiry_time.timestamp() * 1000)
 
+    traffic_limit_bytes = None
+    device_limit = 0
+    data = await state.get_data() if state else {}
+    is_trial = data.get("is_trial", False)
+
+    if is_trial:
+        from config import TRIAL_CONFIG
+        traffic_limit_bytes = int(TRIAL_CONFIG.get("traffic_limit_gb", 100)) * 1024**3
+        device_limit = TRIAL_CONFIG.get("hwid_limit", 1)
+    elif data.get("tariff_id") or tariff_id:
+        tariff_id = data.get("tariff_id") or tariff_id
+        result = await session.execute(select(Tariff).where(Tariff.id == tariff_id))
+        tariff = result.scalar_one_or_none()
+        if tariff:
+            if tariff.traffic_limit is not None:
+                traffic_limit_bytes = int(tariff.traffic_limit)
+            if tariff.device_limit is not None:
+                device_limit = int(tariff.device_limit)
+
     public_link = None
     remnawave_link = None
     created_at = int(datetime.now(moscow_tz).timestamp() * 1000)
@@ -373,31 +392,22 @@ async def finalize_key_creation(
             raise ValueError(f"Сервер {selected_country} не найден")
 
         panel_type = server_info.panel_type.lower()
-        cluster_info = await check_server_name_by_cluster(
-            session, server_info.server_name
-        )
+        cluster_info = await check_server_name_by_cluster(session, server_info.server_name)
         if not cluster_info:
             raise ValueError(f"Кластер для сервера {server_info.server_name} не найден")
 
-        is_full_remnawave = await is_full_remnawave_cluster(
-            cluster_info["cluster_name"], session
-        )
+        is_full_remnawave = await is_full_remnawave_cluster(cluster_info["cluster_name"], session)
 
         if old_key_name:
             old_server_id = old_key_details["server_id"]
             if old_server_id:
-                result = await session.execute(
-                    select(Server).where(Server.server_name == old_server_id)
-                )
+                result = await session.execute(select(Server).where(Server.server_name == old_server_id))
                 old_server_info = result.scalar_one_or_none()
                 if old_server_info:
                     try:
                         if old_server_info.panel_type.lower() == "3x-ui":
                             xui = await get_xui_instance(old_server_info.api_url)
-                            await delete_client(
-                                xui, old_server_info.inbound_id, email, client_id
-                            )
-
+                            await delete_client(xui, old_server_info.inbound_id, email, client_id)
                             await session.execute(
                                 update(Key)
                                 .where(Key.tg_id == tg_id, Key.email == email)
@@ -418,21 +428,21 @@ async def finalize_key_creation(
         if panel_type == "remnawave" or is_full_remnawave:
             remna = RemnawaveAPI(server_info.api_url)
             if not await remna.login(REMNAWAVE_LOGIN, REMNAWAVE_PASSWORD):
-                raise ValueError(
-                    f"❌ Не удалось авторизоваться в Remnawave ({server_info.server_name})"
-                )
+                raise ValueError(f"❌ Не удалось авторизоваться в Remnawave ({server_info.server_name})")
 
-            expire_at = (
-                datetime.utcfromtimestamp(expiry_timestamp / 1000).isoformat() + "Z"
-            )
+            expire_at = datetime.utcfromtimestamp(expiry_timestamp / 1000).isoformat() + "Z"
             user_data = {
                 "username": email,
                 "trafficLimitStrategy": "NO_RESET",
                 "expireAt": expire_at,
                 "telegramId": tg_id,
                 "activeUserInbounds": [server_info.inbound_id],
-                "hwidDeviceLimit": 0,
             }
+            if traffic_limit_bytes:
+                user_data["trafficLimitBytes"] = traffic_limit_bytes
+            if device_limit:
+                user_data["hwidDeviceLimit"] = device_limit
+
             result = await remna.create_user(user_data)
             if not result:
                 raise ValueError("❌ Ошибка при создании пользователя в Remnawave")
@@ -442,9 +452,7 @@ async def finalize_key_creation(
 
             if old_key_name:
                 await session.execute(
-                    update(Key)
-                    .where(Key.tg_id == tg_id, Key.email == email)
-                    .values(client_id=client_id)
+                    update(Key).where(Key.tg_id == tg_id, Key.email == email).values(client_id=client_id)
                 )
 
         if panel_type == "3x-ui":
@@ -461,12 +469,13 @@ async def finalize_key_creation(
                 email=email,
                 expiry_timestamp=expiry_timestamp,
                 semaphore=semaphore,
+                session=session,
+                plan=tariff_id,
+                is_trial=is_trial,
             )
             public_link = f"{PUBLIC_LINK}{email}/{tg_id}"
 
-        logger.info(
-            f"[Key Creation] Подписка создана для пользователя {tg_id} на сервере {selected_country}"
-        )
+        logger.info(f"[Key Creation] Подписка создана для пользователя {tg_id} на сервере {selected_country}")
 
         if old_key_name:
             update_data = {"server_id": selected_country}
@@ -474,19 +483,8 @@ async def finalize_key_creation(
                 update_data["key"] = public_link
             elif panel_type == "remnawave":
                 update_data["remnawave_link"] = remnawave_link
-
-            await session.execute(
-                update(Key)
-                .where(Key.tg_id == tg_id, Key.email == email)
-                .values(**update_data)
-            )
+            await session.execute(update(Key).where(Key.tg_id == tg_id, Key.email == email).values(**update_data))
         else:
-            data = {}
-            if state:
-                data = await state.get_data()
-
-            tariff_id = data.get("tariff_id") or tariff_id
-
             new_key = Key(
                 tg_id=tg_id,
                 client_id=client_id,
@@ -496,19 +494,17 @@ async def finalize_key_creation(
                 key=public_link,
                 remnawave_link=remnawave_link,
                 server_id=selected_country,
-                tariff_id=data.get("tariff_id"),
+                tariff_id=tariff_id,
             )
             session.add(new_key)
 
-            data = await state.get_data()
-            if data.get("is_trial"):
+            if is_trial:
                 trial_status = await get_trial(session, tg_id)
                 if trial_status in [0, -1]:
                     await update_trial(session, tg_id, 1)
-            if data.get("tariff_id"):
-                result = await session.execute(
-                    select(Tariff.price_rub).where(Tariff.id == data["tariff_id"])
-                )
+
+            if tariff_id:
+                result = await session.execute(select(Tariff.price_rub).where(Tariff.id == tariff_id))
                 row = result.scalar_one_or_none()
                 if row:
                     await update_balance(session, tg_id, -row)
@@ -516,21 +512,13 @@ async def finalize_key_creation(
         await session.commit()
 
     except Exception as e:
-        logger.error(
-            f"[Key Finalize] Ошибка при создании ключа для пользователя {tg_id}: {e}"
-        )
-        await callback_query.message.answer(
-            "❌ Произошла ошибка при создании подписки. Попробуйте снова."
-        )
+        logger.error(f"[Key Finalize] Ошибка при создании ключа для пользователя {tg_id}: {e}")
+        await callback_query.message.answer("❌ Произошла ошибка при создании подписки. Попробуйте снова.")
         return
 
     builder = InlineKeyboardBuilder()
-    is_full_remnawave = await is_full_remnawave_cluster(
-        cluster_info["cluster_name"], session
-    )
-    if (panel_type == "remnawave" or is_full_remnawave) and (
-        public_link or remnawave_link
-    ):
+    is_full_remnawave = await is_full_remnawave_cluster(cluster_info["cluster_name"], session)
+    if (panel_type == "remnawave" or is_full_remnawave) and (public_link or remnawave_link):
         builder.row(
             InlineKeyboardButton(
                 text=CONNECT_DEVICE,
@@ -539,9 +527,7 @@ async def finalize_key_creation(
         )
     elif CONNECT_PHONE_BUTTON:
         builder.row(
-            InlineKeyboardButton(
-                text=CONNECT_PHONE, callback_data=f"connect_phone|{key_name}"
-            )
+            InlineKeyboardButton(text=CONNECT_PHONE, callback_data=f"connect_phone|{key_name}")
         )
         builder.row(
             InlineKeyboardButton(text=PC_BUTTON, callback_data=f"connect_pc|{email}"),
@@ -549,15 +535,10 @@ async def finalize_key_creation(
         )
     else:
         builder.row(
-            InlineKeyboardButton(
-                text=CONNECT_DEVICE, callback_data=f"connect_device|{key_name}"
-            )
+            InlineKeyboardButton(text=CONNECT_DEVICE, callback_data=f"connect_device|{key_name}")
         )
-    builder.row(
-        InlineKeyboardButton(
-            text="🔐 Моя подписка", callback_data=f"view_key|{key_name}"
-        )
-    )
+
+    builder.row(InlineKeyboardButton(text=MY_SUB, callback_data=f"view_key|{key_name}"))
     builder.row(InlineKeyboardButton(text=SUPPORT, url=SUPPORT_CHAT_URL))
     builder.row(InlineKeyboardButton(text=MAIN_MENU, callback_data="profile"))
 
diff --git a/handlers/keys/key_mode/key_create.py b/handlers/keys/key_mode/key_create.py
index 9a7b739d..a42d45a7 100644
--- a/handlers/keys/key_mode/key_create.py
+++ b/handlers/keys/key_mode/key_create.py
@@ -27,6 +27,7 @@ from handlers.buttons import MAIN_MENU, PAYMENT
 from handlers.payments.robokassa_pay import handle_custom_amount_input
 from handlers.payments.stars_pay import process_custom_amount_input_stars
 from handlers.payments.yookassa_pay import process_custom_amount_input
+from handlers.payments.yoomoney_pay import process_custom_amount_input_yoomoney
 from handlers.texts import (
     CREATING_CONNECTION_MSG,
     INSUFFICIENT_FUNDS_MSG,
@@ -165,6 +166,8 @@ async def select_tariff_plan(
             await handle_custom_amount_input(callback_query, session)
         elif USE_NEW_PAYMENT_FLOW == "STARS":
             await process_custom_amount_input_stars(callback_query, session)
+        elif USE_NEW_PAYMENT_FLOW == "YOOMONEY":
+            await process_custom_amount_input_yoomoney(callback_query, session)
         else:
             builder = InlineKeyboardBuilder()
             builder.row(InlineKeyboardButton(text=PAYMENT, callback_data="pay"))
diff --git a/handlers/keys/key_renew.py b/handlers/keys/key_renew.py
index b493a6db..e242a3a9 100644
--- a/handlers/keys/key_renew.py
+++ b/handlers/keys/key_renew.py
@@ -4,7 +4,7 @@ from typing import Any
 from aiogram import F, Router
 from aiogram.types import CallbackQuery, InlineKeyboardButton
 from aiogram.utils.keyboard import InlineKeyboardBuilder
-from sqlalchemy import or_, select
+from sqlalchemy import or_, select, update
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from bot import bot
@@ -19,12 +19,13 @@ from database import (
     update_balance,
     update_key_expiry,
 )
-from database.models import Server
+from database.models import Server, Key
 from handlers.buttons import BACK, MAIN_MENU, PAYMENT
 from handlers.keys.key_utils import renew_key_in_cluster
 from handlers.payments.robokassa_pay import handle_custom_amount_input
 from handlers.payments.stars_pay import process_custom_amount_input_stars
 from handlers.payments.yookassa_pay import process_custom_amount_input
+from handlers.payments.yoomoney_pay import process_custom_amount_input_yoomoney
 from handlers.texts import (
     INSUFFICIENT_FUNDS_RENEWAL_MSG,
     KEY_NOT_FOUND_MSG,
@@ -191,6 +192,8 @@ async def process_callback_renew_plan(callback_query: CallbackQuery, session: An
                 await handle_custom_amount_input(callback_query, session)
             elif USE_NEW_PAYMENT_FLOW == "STARS":
                 await process_custom_amount_input_stars(callback_query, session)
+            elif USE_NEW_PAYMENT_FLOW == "YOOMONEY":
+                await process_custom_amount_input_yoomoney(callback_query, session)
             else:
                 builder = InlineKeyboardBuilder()
                 builder.row(InlineKeyboardButton(text=PAYMENT, callback_data="pay"))
@@ -316,6 +319,11 @@ async def complete_key_renewal(
         )
 
         await update_key_expiry(session, client_id, new_expiry_time)
+        await session.execute(
+            update(Key)
+            .where(Key.client_id == client_id)
+            .values(tariff_id=tariff_id)
+        )
         await update_balance(session, tg_id, -cost)
 
         logger.info(
diff --git a/handlers/keys/key_utils.py b/handlers/keys/key_utils.py
index 42bff44e..d23e5468 100644
--- a/handlers/keys/key_utils.py
+++ b/handlers/keys/key_utils.py
@@ -5,7 +5,7 @@ from typing import Any
 from sqlalchemy import delete, select
 from sqlalchemy.ext.asyncio import AsyncSession
 
-from config import PUBLIC_LINK, REMNAWAVE_LOGIN, REMNAWAVE_PASSWORD, SUPERNODE
+from config import PUBLIC_LINK, REMNAWAVE_LOGIN, REMNAWAVE_PASSWORD, SUPERNODE, TRIAL_CONFIG
 from database import delete_notification, get_servers, get_tariff_by_id, store_key
 from database.models import Key, Server, Tariff
 from handlers.utils import check_server_key_limit, get_least_loaded_cluster
@@ -32,7 +32,8 @@ async def create_key_on_cluster(
     session: AsyncSession = None,
     remnawave_link: str = None,
     hwid_limit: int = None,
-    traffic_limit_bytes: int = None, 
+    traffic_limit_bytes: int = None,
+    is_trial: bool = False,
 ):
     try:
         servers = await get_servers(session, include_enabled=True)
@@ -125,7 +126,7 @@ async def create_key_on_cluster(
                     }
 
                     if traffic_limit_bytes and traffic_limit_bytes > 0:
-                        user_data["trafficLimitBytes"] = traffic_limit_bytes
+                        user_data["trafficLimitBytes"] = traffic_limit_bytes * 1024 * 1024 * 1024
 
                     if short_uuid:
                         user_data["shortUuid"] = short_uuid
@@ -161,6 +162,7 @@ async def create_key_on_cluster(
                         semaphore,
                         plan=plan,
                         session=session,
+                        is_trial=is_trial,
                     )
             else:
                 await asyncio.gather(
@@ -174,6 +176,7 @@ async def create_key_on_cluster(
                             semaphore,
                             plan=plan,
                             session=session,
+                            is_trial=is_trial,
                         )
                         for server in xui_servers
                     ],
@@ -207,12 +210,13 @@ async def create_client_on_server(
     semaphore: asyncio.Semaphore,
     plan: int = None,
     session=None,
+    is_trial: bool = False,
 ):
     """
-    Создает клиента на указанном 3x-ui сервере с лимитом по тарифу (через ORM).
+    Создает клиента на указанном 3x-ui сервере с лимитом по тарифу или триалу.
     """
     logger.info(
-        f"[Client] Вход в create_client_on_server: сервер={server_info.get('server_name')}, план={plan}"
+        f"[Client] Вход в create_client_on_server: сервер={server_info.get('server_name')}, план={plan}, is_trial={is_trial}"
     )
 
     async with semaphore:
@@ -221,9 +225,7 @@ async def create_client_on_server(
         server_name = server_info.get("server_name", "unknown")
 
         if not inbound_id:
-            logger.warning(
-                f"INBOUND_ID отсутствует для сервера {server_name}. Пропуск."
-            )
+            logger.warning(f"[Client] INBOUND_ID отсутствует для сервера {server_name}. Пропуск.")
             return
 
         if SUPERNODE:
@@ -236,26 +238,24 @@ async def create_client_on_server(
         total_gb_value = 0
         device_limit_value = None
 
-        if plan is not None:
+        if is_trial:
+            total_gb_value = TRIAL_CONFIG.get("traffic_limit_gb", 0)
+            device_limit_value = TRIAL_CONFIG.get("hwid_limit")
+            logger.info(f"[Trial] Используются параметры триала: {total_gb_value} GB, {device_limit_value} устройств")
+        elif plan is not None:
             tariff = await get_tariff_by_id(session, plan)
             logger.info(f"[Tariff Debug] Получен тариф: {tariff}")
             if not tariff:
                 raise ValueError(f"Тариф с id={plan} не найден.")
 
-            total_gb_value = (
-                int(tariff["traffic_limit"]) if tariff.get("traffic_limit") else 0
-            )
-            device_limit_value = (
-                int(tariff["device_limit"])
-                if tariff.get("device_limit") is not None
-                else None
-            )
+            total_gb_value = int(tariff["traffic_limit"]) if tariff["traffic_limit"] else 0
+            device_limit_value = int(tariff["device_limit"]) if tariff.get("device_limit") is not None else None
 
         try:
             logger.info(
-                f"[Client] Вызов add_client: email={unique_email}, client_id={client_id}, GB={total_gb_value}, Devices={device_limit_value}"
+                f"[Client] Вызов add_client: email={email}, client_id={client_id}, GB={total_gb_value}, Devices={device_limit_value}"
             )
-
+            traffic_limit_bytes = total_gb_value * 1024 * 1024 * 1024
             await add_client(
                 xui,
                 ClientConfig(
@@ -263,7 +263,7 @@ async def create_client_on_server(
                     email=unique_email,
                     tg_id=tg_id,
                     limit_ip=device_limit_value,
-                    total_gb=total_gb_value,
+                    total_gb=traffic_limit_bytes,
                     expiry_time=expiry_timestamp,
                     enable=True,
                     flow="xtls-rprx-vision",
@@ -273,9 +273,7 @@ async def create_client_on_server(
             )
             logger.info(f"[Client] Клиент успешно добавлен на сервер {server_name}")
         except Exception as e:
-            logger.error(
-                f"[Client Error] Не удалось создать клиента на {server_name}: {e}"
-            )
+            logger.error(f"[Client Error] Не удалось создать клиента на {server_name}: {e}")
 
         if SUPERNODE:
             await asyncio.sleep(0.7)
@@ -335,12 +333,6 @@ async def renew_key_in_cluster(
             if tariff and tariff.device_limit is not None:
                 hwid_device_limit = int(tariff.device_limit)
 
-        notification_prefixes = ["key_24h", "key_10h", "key_expired", "renew"]
-        for notif in notification_prefixes:
-            notification_id = f"{email}_{notif}"
-            await delete_notification(session, tg_id, notification_id)
-        logger.info(f"🧹 Уведомления для ключа {email} очищены при продлении.")
-
         remnawave_inbound_ids = []
         tasks = []
         for server_info in cluster:
@@ -366,11 +358,12 @@ async def renew_key_in_cluster(
                         datetime.utcfromtimestamp(new_expiry_time // 1000).isoformat()
                         + "Z"
                     )
+                    traffic_limit_bytes = total_gb * 1024 * 1024 * 1024 if total_gb else 0
                     updated = await remna.update_user(
                         uuid=client_id,
                         expire_at=expire_iso,
                         active_user_inbounds=remnawave_inbound_ids,
-                        traffic_limit_bytes=total_gb,
+                        traffic_limit_bytes=traffic_limit_bytes,
                         hwid_device_limit=hwid_device_limit,
                     )
                     if updated:
@@ -404,6 +397,7 @@ async def renew_key_in_cluster(
                 unique_email = email
                 sub_id = unique_email
 
+            traffic_bytes = total_gb * 1024 * 1024 * 1024 if total_gb else 0
             tasks.append(
                 extend_client_key(
                     xui=xui,
@@ -411,7 +405,7 @@ async def renew_key_in_cluster(
                     email=unique_email,
                     new_expiry_time=new_expiry_time,
                     client_id=client_id,
-                    total_gb=total_gb,
+                    total_gb=traffic_bytes,
                     sub_id=sub_id,
                     tg_id=tg_id,
                     limit_ip=hwid_device_limit,
@@ -420,6 +414,12 @@ async def renew_key_in_cluster(
 
         await asyncio.gather(*tasks, return_exceptions=True)
 
+        notification_prefixes = ["key_24h", "key_10h", "key_expired", "renew"]
+        for notif in notification_prefixes:
+            notification_id = f"{email}_{notif}"
+            await delete_notification(session, tg_id, notification_id)
+        logger.info(f"🧹 Уведомления для ключа {email} очищены при продлении.")
+
     except Exception as e:
         logger.error(
             f"Не удалось продлить ключ {client_id} в кластере/на сервере {cluster_id}: {e}"
@@ -510,6 +510,9 @@ async def update_key_on_cluster(
     expiry_time: int,
     cluster_id: str,
     session: AsyncSession,
+    traffic_limit: int = None,
+    device_limit: int = None,
+    remnawave_link: str = None,
 ):
     """
     Пересоздаёт ключ на всех серверах указанного кластера (или сервера, если передано имя).
@@ -568,6 +571,11 @@ async def update_key_on_cluster(
                 )
                 tariff = result.scalar_one_or_none()
 
+                short_uuid = None
+                if remnawave_link and "/" in remnawave_link:
+                    short_uuid = remnawave_link.rstrip("/").split("/")[-1]
+                    logger.info(f"[Update] Извлечен short_uuid из ссылки: {short_uuid}")
+
                 user_data = {
                     "username": email,
                     "trafficLimitStrategy": "NO_RESET",
@@ -575,12 +583,13 @@ async def update_key_on_cluster(
                     "telegramId": tg_id,
                     "activeUserInbounds": inbound_ids,
                 }
-
-                if tariff:
-                    if tariff.traffic_limit is not None:
-                        user_data["trafficLimitBytes"] = int(tariff.traffic_limit)
-                    if tariff.device_limit is not None:
-                        user_data["hwidDeviceLimit"] = int(tariff.device_limit)
+                if traffic_limit is not None:
+                    user_data["trafficLimitBytes"] = traffic_limit
+                if device_limit is not None:
+                    user_data["hwidDeviceLimit"] = device_limit
+                if short_uuid:
+                    user_data["shortUuid"] = short_uuid
+                    logger.info(f"[Update] Добавлен short_uuid в user_data: {short_uuid}")
 
                 result = await remna.create_user(user_data)
                 if result:
@@ -628,20 +637,14 @@ async def update_key_on_cluster(
             )
             tariff = result.scalar_one_or_none()
 
-            total_gb_bytes = (
-                int(tariff.traffic_limit) if tariff and tariff.traffic_limit else 0
-            )
-            device_limit = (
-                int(tariff.device_limit)
-                if tariff and tariff.device_limit is not None
-                else None
-            )
+            total_gb_bytes = int(traffic_limit * 1024 ** 3) if traffic_limit else 0
+            device_limit_value = device_limit if device_limit is not None else None
 
             config = ClientConfig(
                 client_id=remnawave_client_id,
                 email=unique_email,
                 tg_id=tg_id,
-                limit_ip=device_limit,
+                limit_ip=device_limit_value,
                 total_gb=total_gb_bytes,
                 expiry_time=expiry_time,
                 enable=True,
@@ -673,6 +676,7 @@ async def update_subscription(
     session: AsyncSession,
     cluster_override: str = None,
     country_override: str = None,
+    remnawave_link: str = None,
 ) -> None:
     result = await session.execute(
         select(Key).where(Key.tg_id == tg_id, Key.email == email)
@@ -685,8 +689,25 @@ async def update_subscription(
     expiry_time = record.expiry_time
     client_id = record.client_id
     old_cluster_id = record.server_id
+    tariff_id = record.tariff_id
+    remnawave_link = remnawave_link or record.remnawave_link
     public_link = f"{PUBLIC_LINK}{email}/{tg_id}"
 
+    traffic_limit = None
+    device_limit = None
+    if tariff_id:
+        result = await session.execute(
+            select(Tariff).where(Tariff.id == tariff_id, Tariff.is_active.is_(True))
+        )
+        tariff = result.scalar_one_or_none()
+        if tariff:
+            traffic_limit = int(tariff.traffic_limit) if tariff.traffic_limit is not None else None
+            device_limit = int(tariff.device_limit) if tariff.device_limit is not None else None
+        else:
+            logger.warning(f"[LOG] update_subscription: тариф с id={tariff_id} не найден!")
+    else:
+        logger.warning(f"[LOG] update_subscription: tariff_id отсутствует!")
+
     await delete_key_from_cluster(old_cluster_id, email, client_id, session=session)
 
     await session.execute(delete(Key).where(Key.tg_id == tg_id, Key.email == email))
@@ -703,6 +724,9 @@ async def update_subscription(
         expiry_time=expiry_time,
         cluster_id=new_cluster_id,
         session=session,
+        traffic_limit=traffic_limit,
+        device_limit=device_limit,
+        remnawave_link=remnawave_link
     )
 
     servers = await get_servers(session)
@@ -720,6 +744,7 @@ async def update_subscription(
         key=final_key_link,
         remnawave_link=remnawave_key,
         server_id=new_cluster_id,
+        tariff_id=tariff_id,
     )
 
 
@@ -1012,4 +1037,4 @@ async def reset_traffic_in_cluster(
         logger.error(
             f"[Reset Traffic] Ошибка при сбросе трафика клиента {email} в кластере {cluster_id}: {e}"
         )
-        raise
+        raise
\ No newline at end of file
diff --git a/handlers/keys/keys.py b/handlers/keys/keys.py
index 50b5cc36..cfca39ff 100644
--- a/handlers/keys/keys.py
+++ b/handlers/keys/keys.py
@@ -76,6 +76,7 @@ async def process_callback_confirm_delete(
         record = await get_key_details(session, email)
         if record:
             client_id = record["client_id"]
+            server_id = record["server_id"]
             response_message = KEY_DELETED_MSG_SIMPLE
             back_button = types.InlineKeyboardButton(
                 text=BACK, callback_data="view_keys"
@@ -90,21 +91,12 @@ async def process_callback_confirm_delete(
                 reply_markup=keyboard,
             )
 
-            servers = await get_servers(session)
-
-            async def delete_key_from_servers():
-                try:
-                    tasks = [
-                        delete_key_from_cluster(cluster_id, email, client_id, session)
-                        for cluster_id in servers
-                    ]
-                    await asyncio.gather(*tasks, return_exceptions=True)
-                except Exception as e:
-                    logger.error(
-                        f"Ошибка при удалении ключа {client_id} с серверов: {e}"
-                    )
-
-            asyncio.create_task(delete_key_from_servers())
+            try:
+                await delete_key_from_cluster(server_id, email, client_id, session)
+            except Exception as e:
+                logger.error(
+                    f"Ошибка при удалении ключа {client_id} с сервера {server_id}: {e}"
+                )
 
         else:
             response_message = "Ключ не найден или уже удален."
diff --git a/handlers/notifications/general_notifications.py b/handlers/notifications/general_notifications.py
index 7bcee1f3..8ba52116 100644
--- a/handlers/notifications/general_notifications.py
+++ b/handlers/notifications/general_notifications.py
@@ -597,4 +597,4 @@ async def process_auto_renew_or_notify(
             )
 
     except Exception as e:
-        logger.error(f"❌ Ошибка в process_auto_renew_or_notify: {e}")
+        logger.error(f"❌ Ошибка в process_auto_renew_or_notify: {e}")
\ No newline at end of file
diff --git a/handlers/payments/gift.cpython-312-x86_64-linux-gnu.so b/handlers/payments/gift.cpython-312-x86_64-linux-gnu.so
index 6916e266..b9fed8bd 100644
Binary files a/handlers/payments/gift.cpython-312-x86_64-linux-gnu.so and b/handlers/payments/gift.cpython-312-x86_64-linux-gnu.so differ
diff --git a/handlers/payments/utils.cpython-312-x86_64-linux-gnu.so b/handlers/payments/utils.cpython-312-x86_64-linux-gnu.so
index bf93bcff..2dfd817c 100644
Binary files a/handlers/payments/utils.cpython-312-x86_64-linux-gnu.so and b/handlers/payments/utils.cpython-312-x86_64-linux-gnu.so differ
diff --git a/handlers/payments/yoomoney_pay.cpython-312-x86_64-linux-gnu.so b/handlers/payments/yoomoney_pay.cpython-312-x86_64-linux-gnu.so
index 6b4514fa..0a47da51 100644
Binary files a/handlers/payments/yoomoney_pay.cpython-312-x86_64-linux-gnu.so and b/handlers/payments/yoomoney_pay.cpython-312-x86_64-linux-gnu.so differ