| 名 | 类型 | 长度 | 小数点 | 不是null |
| user_id | varchar | 40 | 0 | R |
| user_name | varchar | 60 | 0 | R |
| password | varchar | 60 | 0 | * |
| real_name | varchar | 60 | 0 | * |
| age | int | 11 | 0 | * |
| telephone | varchar | 15 | 0 | * |
| create_time | timestamp | 0 | 0 | R |