//以下为运行成功的显示信息 Current schema version: 0 Latest schema version: 22 Migrating to version: 1 Migrating to version: 2 Migrating to version: 3 Migrating to version: 4 Migrating to version: 5 Migrating to version: 6 Migrating to version: 7 Migrating to version: 8 Migrating to version: 9 Migrating to version: 10 Migrating to version: 11 Migrating to version: 12 Migrating to version: 13 Migrating to version: 14 Migrating to version: 15 Migrating to version: 16 Migrating to version: 17 Migrating to version: 18 Migrating to version: 19 Migrating to version: 20 Migrating to version: 21 Migrating to version: 22