diff --git a/db/InitializeDB.py b/db/InitializeDB.py
index d88eae5..c5b5cf6 100644
--- a/db/InitializeDB.py
+++ b/db/InitializeDB.py
@@ -12,6 +12,8 @@ def init_database(db_name='pipe_store.db'):
             name TEXT NOT NULL UNIQUE,
             description TEXT,
             parent_id INTEGER,
+            image_path TEXT,
+            page_number INTEGER DEFAULT 1, -- Новое поле: номер страницы для пагинации
             created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
             FOREIGN KEY (parent_id) REFERENCES categories (id)
         )
@@ -30,6 +32,8 @@ def init_database(db_name='pipe_store.db'):
             color TEXT,
             application_type TEXT, -- внутренняя/наружная
             stiffness_class TEXT, -- SN4, SN2 и т.д.
+            image_path TEXT,
+            page_number INTEGER DEFAULT 1, -- Новое поле: номер страницы для пагинации
             created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
             FOREIGN KEY (category_id) REFERENCES categories (id)
         )
@@ -59,6 +63,8 @@ def init_database(db_name='pipe_store.db'):
     cursor.execute('CREATE INDEX IF NOT EXISTS idx_products_category ON products(category_id)')
     cursor.execute('CREATE INDEX IF NOT EXISTS idx_products_diameter ON products(diameter)')
     cursor.execute('CREATE INDEX IF NOT EXISTS idx_products_length ON products(length)')
+    cursor.execute('CREATE INDEX IF NOT EXISTS idx_products_page ON products(page_number)')
+    cursor.execute('CREATE INDEX IF NOT EXISTS idx_categories_page ON categories(page_number)')
     cursor.execute('CREATE INDEX IF NOT EXISTS idx_product_filters_key_value ON product_filters(filter_key, value)')
     
     conn.commit()
diff --git a/module/category.py b/module/category.py
index ae4d6fc..890448d 100644
--- a/module/category.py
+++ b/module/category.py
@@ -1,8 +1,20 @@
 from pydantic import BaseModel
-from dataclasses import dataclass
+from typing import Optional
+from datetime import datetime
+
 
-@dataclass
 class Category(BaseModel):
     id: int
     name: str
-    image_path: str
+    description: Optional[str] = None
+    parent_id: Optional[int] = None
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class CategoryCreate(BaseModel):
+    name: str
+    description: Optional[str] = None
+    parent_id: Optional[int] = None