Travel itinerary code will record the owner's action track in detail, and every time he enters the store, he will scan the code and leave personal information.
Query step: 1. Click the itinerary query to enter Beijing Tong, and click the itinerary query. 2. Enter the information, click Query, enter the mobile phone number and verification code, and click Query. 3. You can check the travel code by checking the travel code.