diff --git a/test_browser.py b/test_browser.py
index 18378da..4fe3e2d 100644
--- a/test_browser.py
+++ b/test_browser.py
@@ -58,6 +58,21 @@ async def main():
         for label, kwargs in tests_proxy:
             await try_browser(label, **base, **proxy_kwargs, **kwargs)
 
+    print("\n=== Версия camoufox бинарника ===")
+    try:
+        from camoufox._utils import BROWSER_VERSION
+        print(f"  Firefox version: {BROWSER_VERSION}")
+    except ImportError:
+        try:
+            import subprocess, re
+            result = subprocess.run(
+                ["python3", "-c", "from camoufox.fingerprints import FP_GENERATOR; print(FP_GENERATOR)"],
+                capture_output=True, text=True
+            )
+            print(f"  FP_GENERATOR: {result.stdout.strip()}")
+        except Exception as e:
+            print(f"  Не удалось определить: {e}")
+
     print("\n=== Fingerprint generation напрямую ===")
     from camoufox.fingerprints import generate_fingerprint
     fp_tests = [
@@ -75,6 +90,41 @@ async def main():
         except ValueError as e:
             print(f"  ❌ generate_fingerprint({label}) — {e}")
 
+    print("\n=== Firefox версия vs база browserforge ===")
+    try:
+        from browserforge.fingerprints.generator import FingerprintGenerator
+        gen = FingerprintGenerator()
+        for version in range(120, 145):
+            try:
+                gen.generate(browser={"name": "firefox", "minVersion": version, "maxVersion": version})
+                print(f"  ✅ firefox {version}")
+            except (ValueError, Exception):
+                print(f"  ❌ firefox {version}")
+    except Exception as e:
+        print(f"  Ошибка: {e}")
+
+    print("\n=== Патч generate_fingerprint в camoufox.utils ===")
+    import camoufox.utils as _cu
+    _orig_gf = _cu.generate_fingerprint
+
+    def _relaxed(**config):
+        try:
+            return _orig_gf(**config)
+        except ValueError:
+            config.pop("screen", None)
+            try:
+                return _orig_gf(**config)
+            except ValueError:
+                return _orig_gf(locale=config.get("locale", "en-US"))
+
+    _cu.generate_fingerprint = _relaxed
+    print("  Патч применён, пробуем AsyncCamoufox...")
+    ok = await try_browser("geoip=False, locale=ru-RU (с патчем)", **base, geoip=False, locale="ru-RU")
+    if ok:
+        print("  ✅ Патч работает — проблема в constraints camoufox")
+    else:
+        print("  ❌ Патч не помог — проблема глубже")
+
     print("\n=== Geoip данные ===")
     from camoufox.utils import get_geolocation
     ips = ["127.0.0.1"]