1. Official channel: Go to Zhang Wei's concert in official website or official ticketing platforms, such as Cat's Eye Ticketing and barley net. Find concert information and buy tickets.
2. Third-party ticketing platforms: In addition to official channels, some third-party ticketing platforms also provide concert ticketing services, such as Taobao movies and StubHub.
3. Offline ticket outlets: Some physical ticket outlets, music shops or ticket windows of shopping centers will also provide concert tickets for sale. You can ask the local ticketing agency or related venues if there are tickets for the concert.