If the platform does not deliver or delivers incorrectly when using Doudian Supply Chain, consumers can handle it through the following steps:

1. Contact customer service. When you find a delivery problem, you can directly contact Doudian Supply Chain customer service to communicate and negotiate to solve the relevant problems.

2. Refund application. If customer service cannot solve the problem, you can try to apply for a refund from Doudian Supply Chain. You need to fill in the reason for the refund and provide evidence and other relevant information in the application.

3. Apply for a return. If the received goods do not match the order, you can try to apply for a return. You need to fill in the reason for the return and address, and choose a suitable logistics channel to return the goods.

4. Complaints and reports. If Doudian Supply Chain fails to solve the problem after repeated communication, you can complain to the relevant regulatory authorities. At the same time, you can also make comments and bad reviews on the shopping platform to let other consumers know about the problem and warn them. It should be noted that the processing speed of Doudian Supply Chain may be affected by holidays, busy logistics and other factors, so please be patient and try multiple methods to solve the problem. At the same time, before shopping, you should also pay attention to choosing a regular and reputable Doudian supply chain operator to avoid unnecessary losses and risks.