The orders on Douyin e-commerce platform are divided into the following categories:

1. Ordinary orders: orders placed after consumers purchase goods on the Douyin platform.

2. Selected orders: orders for high-quality goods selected by the Douyin platform.

3. Short video orders: orders for goods purchased by watching short videos.

If you can't find the order selected by Doudian on the Douyin platform, you can try the following methods:

1. Confirm the order status: First, please confirm that you are logged in to the Douyin e-commerce platform and search for the order under the correct order filtering conditions. You can try to filter by time, product type, order status and other conditions.

2. Check the order number: Please check whether your order number is correct. If the order number is incorrect, you may not be able to find the order. You can find the order number on the order details page.

3. Contact customer service: If you still can't find your order, it is recommended that you contact the customer service of the Douyin e-commerce platform, explain your problem and provide relevant credentials for help.

4. Check the shopping cart: Also, make sure you have added the items to the shopping cart and completed the order and payment process. If there are no items in the shopping cart, you naturally cannot find the order.

5. Reinstall the Douyin app: If the Douyin app fails, the order may be lost. You can try to uninstall and reinstall the Douyin app, and then look for the order again.

6. Check the network environment: An unstable network environment may cause order query failure. Please make sure your network connection is normal and try to find the order again.

If the above methods cannot solve the problem, it is recommended that you contact the customer service of the Douyin e-commerce platform and explain your problem so that they can provide you with further assistance.