setup system: - Use docker-compose to setup the Train-Ticket System. fault reproduce manually step: 1. Log in 2. Change the [Terminal] Place to Tai Yuan in the [Ticket Booking] step 3. Select a date and the Train Type select [All], Click [Search] 4. There will be two searching results, click the [Booking] button of the first row whose Trip Id is [Z1234] 5. You will get the alert which says "Cannot read property '0' of null"