用的是codex cli，今天莫名其妙一直卡，疯狂找我要权限，因为我开了自动审批，又弹不出来，跟签保证书似的在命令行输入我授权xxx，然后让codex拉了一下具体的报错，说是自动审批的模型503了，现在只能先回到手动审批了TAT。 
This action was rejected due to unacceptable risk. 
Reason: Automatic approval review failed: unexpected status 503 Service Unavailable: No available channel for model codex-auto-review under g 
roup default (distributor) . The agent must not attempt to achieve the same outcome via ...