Powr功耗没有显示值（39.5及39.6版本都没POWR显示）

[zhaxiaoping]

[07:29:26] INFO - ethash - New job: cn.ezil.me:25443, ID: 57113c75, DIFF: 4.295G
[07:29:26] INFO - ================== [nbminer v39.6] Summary 2021-10-28 07:29:26 ===================
[07:29:26] INFO - |ID|Device|Hashrate|Accept|Reject|Inv|Powr|CTmp|MTmp|Fan|CClk|GMClk|MUtl|Eff/Watt|
[07:29:26] INFO - | 0| 3060| 33.54 M| 1| 0| 0| 0| 68| | 0| 712| 7000| 100| 0.000 |
[07:29:26] INFO - |------------------+------+------+---+----+--------------------------------------|
[07:29:26] INFO - | Total: 33.54 M| 1| 0| 0| 0| Uptime: 0D 00:03:32 CPU: 3% |
[07:29:26] INFO - ==================================================================================
[07:29:26] INFO - ethash - On Pool 10m: 20.26 M 4h: 20.26 M 24h: 20.26 M
[07:29:26] INFO - ethash - New job: cn.ezil.me:25443, ID: 34c678aa, DIFF: 4.295G
[07:29:27] INFO - ethash - New job: cn.ezil.me:25443, ID: 3c11ec1e, DIFF: 4.295G
[07:29:29] INFO - ethash - New job: cn.ezil.me:25443, ID: 92b27461, DIFF: 4.295G
[07:29:33] INFO - ethash - New job: cn.ezil.me:25443, ID: d1a3396e, DIFF: 4.295G
[07:29:33] INFO - ethash - New job: cn.ezil.me:25443, ID: 48baff5a, DIFF: 4.295G
[07:29:35] INFO - ethash - New job: cn.ezil.me:25443, ID: 1252612e, DIFF: 4.295G
[07:29:37] INFO - ethash - New job: cn.ezil.me:25443, ID: d729391d, DIFF: 4.295G