diff --git a/src/main.py b/src/main.py
index 54fce69..f9c97e3 100644
--- a/src/main.py
+++ b/src/main.py
@@ -1,17 +1,18 @@
+import json
 import uuid
 from datetime import datetime
 from pathlib import Path
 from typing import Annotated
 from urllib.parse import urlsplit
 
-from browserforge.fingerprints import Screen
 from camoufox.async_api import AsyncCamoufox
+from camoufox.fingerprints import generate_context_fingerprint
 from camoufox.utils import determine_ua_os
 from fastapi import Cookie
 from fastapi import FastAPI
 from fastapi import Request
 from fastapi import Response
-from playwright.async_api import ViewportSize, ProxySettings
+from playwright.async_api import ProxySettings
 from ua_parser import user_agent_parser
 
 from engine import actions
@@ -33,6 +34,18 @@ def parse_proxy(proxy_url: str) -> ProxySettings:
 	return settings
 
 
+def load_or_create_identity(user_data_dir, os=None, ff_version=None, locale=None, time_zone=None) -> dict:
+	identity_file = user_data_dir / IDENTITY_FILE
+
+	if identity_file.exists():
+		return json.loads(identity_file.read_text())
+
+	# один вызов -> config (для браузера) + context_options/init_script (для контекста)
+	fp = generate_context_fingerprint(os=os, ff_version=ff_version, locale=locale, timezone=time_zone)
+	identity_file.write_text(json.dumps(fp))
+	return fp
+
+
 app = FastAPI()
 
 
@@ -47,8 +60,8 @@ _OS_MAP = {'win': 'windows', 'mac': 'macos', 'lin': 'linux'}
 def parse_os_and_ff(user_agent):
 	os_name = _OS_MAP[determine_ua_os(user_agent)]
 	parsed = user_agent_parser.ParseUserAgent(user_agent)
-	ff_version = int(parsed["major"]) if(
-		parsed.get("family") == "Firefox" and parsed.get("major") )else None
+	ff_version = int(parsed["major"]) if (
+		parsed.get("family") == "Firefox" and parsed.get("major")) else None
 	return os_name, ff_version
 
 
@@ -81,24 +94,34 @@ async def solve(
 	# proxy = ProxySettings(socks5://host:port, username, password)
 	proxy = None
 
-	browser_options = {}
-	if payload.user_agent:
-		os, ff_version = parse_os_and_ff(payload.user_agent)
-		browser_options["os"] = os
-		browser_options["ff_version"] = ff_version
-		browser_options["config"] = {'navigator.UserAgent': payload.user_agent}
-
 	user_data_dir = Path(__file__).parent / f"../extra/user_data_dir/{session_id}"
 	if not user_data_dir.exists():
 		user_data_dir.mkdir(parents=True)
 
+	browser_options = {
+		# "locale": payload.locale,
+		# "timezone": payload.time_zone
+	}
+	ctx_opts = {}
+	if payload.user_agent:
+		os, ff_version = parse_os_and_ff(payload.user_agent)
+		ctx_opts["config"] = {'navigator.UserAgent': payload.user_agent}
+	else:
+		os = ff_version = None
+
+	config = load_or_create_identity(user_data_dir, os=os, ff_version=ff_version, **browser_options)
+
+	ctx_opts = {**config["context_options"], **browser_options}
 	async with AsyncCamoufox(
 		persistent_context=True,
 		user_data_dir=user_data_dir,
 		proxy=proxy,
 		window=scr_size,
-		**browser_options,
+		os=os,
+		ff_version=ff_version,
+		**ctx_opts,
 	) as camoufo:
+		await camoufo.add_init_script(config["init_script"])
 		page = camoufo.pages[0] if camoufo.pages else await camoufo.new_page()
 		page.set_default_timeout(30_000)
 		await page.goto(url=payload.url)