diff --git a/services/browser_service.py b/services/browser_service.py
index b6c891e..04fd622 100644
--- a/services/browser_service.py
+++ b/services/browser_service.py
@@ -195,7 +195,7 @@ class BrowserService:
 
                 # Если таймаут или соединение не прошло — помечаем прокси как нерабочий и меняем
                 if not result.success and result.error and any(
-                    k in result.error for k in ("Timeout", "ERR_", "Connection", "SOCKS")
+                    k in result.error for k in ("Timeout", "ERR_", "Connection", "SOCKS", "NS_ERROR_", "502", "Bad Gateway")
                 ):
                     logger.warning(f"Visit attempt {attempt + 1} bad proxy, retrying with new")
                     continue