显示 After Discount = Subtotal - Discount（自动追踪位置，始终在 Discount 下方）
| 日期 | 安装次数 | 更新检查总次数 |
|---|---|---|
| 2025-10-29 | 3 | 1 |
| 2025-10-30 | 0 | 0 |
| 2025-10-31 | 0 | 0 |
| 2025-11-01 | 0 | 0 |
| 2025-11-02 | 0 | 0 |
| 2025-11-03 | 0 | 1 |
| 2025-11-04 | 0 | 0 |
| 2025-11-05 | 0 | 0 |
| 2025-11-06 | 0 | 0 |
| 2025-11-07 | 0 | 1 |
| 2025-11-08 | 0 | 1 |
| 2025-11-09 | 0 | 0 |
| 2025-11-10 | 0 | 1 |
| 2025-11-11 | 0 | 1 |
| 2025-11-12 | 0 | 0 |
| 2025-11-13 | 0 | 1 |
| 2025-11-14 | 0 | 1 |
| 2025-11-15 | 0 | 1 |
| 2025-11-16 | 0 | 0 |
| 2025-11-17 | 0 | 0 |
| 2025-11-18 | 0 | 2 |
