1: First, we take out our mobile phones, unlock them and open our shopping software, such as Pinduoduo or Taobao.

2. Then find the personal center and open it. If you don't receive the goods, click Open to be received. If you receive the goods, click Open My Order.

3. Then find the link of what you bought, click Open, contact the customer service or the merchant, negotiate with the merchant, and then the merchant will give an address. 4: Then find the item to apply for a refund, and click Apply for a refund.

Webcast absorbs and continues the advantages of the Internet. Through live video network broadcast, products display, related meetings, background introduction, scheme evaluation, online surveys, dialogues and interviews, online training and other contents can be posted on the Internet, which is intuitive, fast, expressive, rich in content, interactive, geographically unlimited and divisible, so as to enhance the promotion effect of the event site.