diff --git a/parser/parse_dns_logs.py b/parser/parse_dns_logs.py
index 7d0a3fa..29367a1 100644
--- a/parser/parse_dns_logs.py
+++ b/parser/parse_dns_logs.py
@@ -1,29 +1,56 @@
-import re, sqlite3, os
+#!/usr/bin/env python3
+import re
+import sqlite3
+import os
 from datetime import datetime
 
-db = sqlite3.connect('../db/dns.sqlite')
-db.execute('''CREATE TABLE IF NOT EXISTS logs (
+LOG_DIR = "../logs"
+DB_PATH = "../db/dns.sqlite"
+
+# Регулярное выражение для парсинга строки
+pattern = re.compile(
+    r'(\d{2}/\d{2}/\d{4} \d{2}:\d{2}:\d{2}).*UDP Rcv (\d+\.\d+\.\d+\.\d+).*Q 
+
+\[.*\]
+
+ (\w+) ([\w\.-]+)\.'
+)
+
+# Создание базы данных и таблицы
+conn = sqlite3.connect(DB_PATH)
+cursor = conn.cursor()
+cursor.execute("""
+CREATE TABLE IF NOT EXISTS logs (
     id INTEGER PRIMARY KEY AUTOINCREMENT,
     timestamp TEXT,
     src_ip TEXT,
     qtype TEXT,
-    domain TEXT
-)''')
+    domain TEXT,
+    UNIQUE(timestamp, src_ip, qtype, domain)
+)
+""")
 
-pattern = re.compile(r'(\d{2}/\d{2}/\d{4} \d{2}:\d{2}:\d{2}).*UDP Rcv (\d+\.\d+\.\d+\.\d+).*Q 
-
-\[.*\]
-
- (\w+) ([\w\.-]+)\.')
-
-for filename in os.listdir('../logs'):
-    if filename.startswith('dns') and filename.endswith('.log'):
-        with open(f'../logs/{filename}', encoding='utf-8') as f:
+# Обработка всех логов
+for filename in os.listdir(LOG_DIR):
+    if filename.startswith("dns") and filename.endswith(".log"):
+        filepath = os.path.join(LOG_DIR, filename)
+        print(f"Обрабатываю: {filepath}")
+        with open(filepath, encoding="utf-8", errors="ignore") as f:
             for line in f:
                 match = pattern.search(line)
                 if match:
-                    ts = datetime.strptime(match.group(1), "%d/%m/%Y %H:%M:%S")
-                    db.execute("INSERT INTO logs (timestamp, src_ip, qtype, domain) VALUES (?, ?, ?, ?)",
-                               (ts.isoformat(), match.group(2), match.group(3), match.group(4)))
-db.commit()
-db.close()
\ No newline at end of file
+                    try:
+                        ts = datetime.strptime(match.group(1), "%d/%m/%Y %H:%M:%S").isoformat()
+                        src_ip = match.group(2)
+                        qtype = match.group(3)
+                        domain = match.group(4)
+                        cursor.execute("""
+                            INSERT OR IGNORE INTO logs (timestamp, src_ip, qtype, domain)
+                            VALUES (?, ?, ?, ?)
+                        """, (ts, src_ip, qtype, domain))
+                    except Exception as e:
+                        print(f"Ошибка при обработке строки: {line.strip()}\n{e}")
+
+conn.commit()
+conn.close()
+print("✅ Парсинг завершён.")
\ No newline at end of file