1. Report the case (alarm): If the investor fails to pay the silver ticket purchased on the silver ticket online after the expiration, he should immediately contact the online customer service of the silver ticket to report the case. This step is to let the platform understand the problem and conduct corresponding investigation and handling.

2. Registration information: investors need to fill in relevant information according to the instructions, such as name, contact information, investment amount, time, etc. These registration information will help the platform to verify the user's identity and record the purchase.

3. Audit compensation: After audit, it is confirmed that the silver ticket purchased by the user is true and effective, and corresponding compensation measures will be implemented according to the purchase agreement. Damaged operators will receive compensation or other forms of rights protection.