diff --git a/database.py b/database.py
index f10687f..e8ce88f 100644
--- a/database.py
+++ b/database.py
@@ -4,29 +4,33 @@ class Database():
         self.conn = sqlite3.connect(path)
         self.cur = self.conn.cursor()
         self.cur.execute('CREATE TABLE IF NOT EXISTS users (id INTEGER, telegram_id NUMERIC NOT NULL UNIQUE, PRIMARY KEY(id))')
-        self.cur.execute('CREATE TABLE IF NOT EXISTS feeds (id INTEGER, link TEXT NOT NULL UNIQUE, PRIMARY KEY(id))')
+        self.cur.execute('CREATE TABLE IF NOT EXISTS feeds (id INTEGER, url TEXT NOT NULL UNIQUE, PRIMARY KEY(id))')
         self.cur.execute('CREATE TABLE IF NOT EXISTS subscribes (user_id INTEGER, feed_id INTEGER, FOREIGN KEY(user_id) REFERENCES users(id), FOREIGN KEY(feed_id) REFERENCES feeds(id))')
-        self.cur.execute('CREATE TABLE IF NOT EXISTS feeds_last_items (feed_id INTEGER, link TEXT NOT NULL UNIQUE, title TEXT, description TEXT, date NUMERIC, FOREIGN KEY(feed_id) REFERENCES feeds(id))')
+        self.cur.execute('CREATE TABLE IF NOT EXISTS feeds_last_items (feed_id INTEGER, url TEXT NOT NULL UNIQUE, title TEXT, description TEXT, date NUMERIC, FOREIGN KEY(feed_id) REFERENCES feeds(id))')
 
     def add_user(self, telegram_id: str) -> int:
-        self.cur.execute('INSERT INTO users (telegram_id) VALUES (:telegram_id)', {'telegram_id': telegram_id})
+        self.cur.execute('INSERT INTO users (telegram_id) VALUES (?)', (telegram_id,))
         self.conn.commit()
         return self.cur.lastrowid
 
     def find_user(self, telegram_id: str) -> int | None:
-        self.cur.execute('SELECT id FROM users WHERE telegram_id = :telegram_id', {'telegram_id': telegram_id})
-        user_id = self.cur.fetchone()
-        if user_id is None:
+        self.cur.execute('SELECT id FROM users WHERE telegram_id = ?', (telegram_id,))
+        row = self.cur.fetchone()
+        if row is None:
             return None
-        return user_id[0]
+        return row[0]
 
-    def add_feed(self, link: str) -> int:
-        self.cur.execute('INSERT INTO feeds (link) VALUES (:link)', {'link': link})
+    def add_feed(self, url: str) -> int:
+        self.cur.execute('INSERT INTO feeds (url) VALUES (?)', (url,))
         self.conn.commit()
         return self.cur.lastrowid
 
+    def subscribe_user(self, user_id: int, feed_id: int):
+        self.cur.execute('INSERT INTO subscribes (user_id, feed_id) VALUES (?, ?)', (user_id, feed_id))
+        self.conn.commit()
+
     def delete_feed(self, feed_id: int) -> None:
-        self.cur.execute('DELETE FROM feeds WHERE id = :feed_id', {'feed_id': feed_id})
+        self.cur.execute('DELETE FROM feeds WHERE id = ?', (feed_id,))
         self.conn.commit()
 
     def get_feeds():