diff --git a/backend/db.py b/backend/db.py
index 041ccd3..180cd3b 100644
--- a/backend/db.py
+++ b/backend/db.py
@@ -12,7 +12,13 @@ postgres_pool = pool.ThreadedConnectionPool(1, 10, dsn=DATABASE_URL)
 
 def get_db_connection():
     """Return a connection from the pool. Caller must close it after use."""
-    return postgres_pool.getconn()
+    conn = postgres_pool.getconn()
+    # Устанавливаем схему automarket (таблицы созданы там, а не в public)
+    cur = conn.cursor()
+    cur.execute("SET search_path TO automarket, public")
+    cur.close()
+    conn.commit()
+    return conn
 
 def release_db_connection(conn):
     """Return the connection to the pool."""
diff --git a/backend/routes/auth.py b/backend/routes/auth.py
index 0391d4b..74f45aa 100644
--- a/backend/routes/auth.py
+++ b/backend/routes/auth.py
@@ -31,33 +31,39 @@ def register():
       201:
         description: Пользователь успешно зарегистрирован
     """
-    data = request.json
-    username = data.get('username')
-    password = data.get('password')
-    
-    if not username or not password:
-        return jsonify({"error": "Username and password are required"}), 400
-        
-    conn = get_db_connection()
-    cur = conn.cursor()
-    
-    # Check if exists
-    cur.execute("SELECT id FROM users WHERE username = %s", (username,))
-    if cur.fetchone():
+    try:
+        data = request.json
+        if not data:
+            return jsonify({"error": "Invalid JSON body"}), 400
+        username = data.get('username')
+        password = data.get('password')
+
+        if not username or not password:
+            return jsonify({"error": "Username and password are required"}), 400
+
+        conn = get_db_connection()
+        cur = conn.cursor()
+
+        # Check if exists
+        cur.execute("SELECT id FROM users WHERE username = %s", (username,))
+        if cur.fetchone():
+            release_db_connection(conn)
+            return jsonify({"error": "Username already exists"}), 400
+
+        hashed_password = bcrypt.hashpw(password.encode('utf-8'), bcrypt.gensalt()).decode('utf-8')
+
+        cur.execute(
+            "INSERT INTO users (username, password_hash) VALUES (%s, %s) RETURNING id",
+            (username, hashed_password)
+        )
+        user_id = cur.fetchone()[0]
+        conn.commit()
         release_db_connection(conn)
-        return jsonify({"error": "Username already exists"}), 400
-        
-    hashed_password = bcrypt.hashpw(password.encode('utf-8'), bcrypt.gensalt()).decode('utf-8')
-    
-    cur.execute(
-        "INSERT INTO users (username, password_hash) VALUES (%s, %s) RETURNING id",
-        (username, hashed_password)
-    )
-    user_id = cur.fetchone()[0]
-    conn.commit()
-    release_db_connection(conn)
-    
-    return jsonify({"message": "User registered successfully", "user_id": user_id}), 201
+
+        return jsonify({"message": "User registered successfully", "user_id": user_id}), 201
+
+    except Exception as e:
+        return jsonify({"error": f"Server error: {str(e)}"}), 500
 
 @auth_blueprint.route('/auth/login', methods=['POST'])
 def login():