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junhong_cmp_fiber/openspec/changes/archive/2026-04-22-fix-traffic-deduction-on-device-card/baseline-evidence.md
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修复金额的问题
2026-04-23 10:09:23 +08:00

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# 修复前基线证据(任务 1.1 / 1.2
## 采样时间
- 2026-04-22 18:00Asia/Shanghai
## 样本说明
- 采样条件:
- 卡已绑定设备(`tb_device_sim_binding.bind_status=1`
- 该卡无生效卡级套餐(`tb_package_usage.iot_card_id``status=1`
- 所属设备存在生效设备级套餐(`tb_package_usage.device_id``status=1`
## 关键基线数据MCP 查询)
### 1) 绑定设备卡流量已增长
| card_id | iccid | device_id | last_gateway_reading_mb | current_month_usage_mb | card_usage_mb | last_data_check_at |
|---|---|---:|---:|---:|---:|---|
| 4 | 89860885192590572650 | 2 | 2875.72 | 2875.72 | 2872 | 2026-04-22T09:44:22.355Z |
| 6 | 8986062575000172349 | 2 | 9047.27 | 9047.27 | 9047 | 2026-04-22T09:48:28.203Z |
| 7 | 89860624660021733454 | 3 | 33137.81 | 33137.81 | 33136 | 2026-04-22T09:48:50.758Z |
### 2) 对应设备级套餐未扣减
| device_id | package_usage_id | usage_type | status | data_usage_mb | package_updated_at |
|---:|---:|---|---:|---:|---|
| 2 | 5 | device | 1 | 0 | 2026-04-22T07:19:38.584Z |
| 3 | 6 | device | 1 | 0 | 2026-04-22T08:24:56.831Z |
## 基线结论
- 卡侧流量字段(`last_gateway_reading_mb` / `current_month_usage_mb` / `tb_iot_card.data_usage_mb`)已明显增长。
- 设备级生效套餐(`tb_package_usage.status=1``usage_type=device`)的 `data_usage_mb` 仍为 0。
- 可确认当前存在“卡流量增长但套餐未扣减”的问题基线,符合本提案修复目标。