我也遇到了该问题，请问最后解决了吗

WARNING: Unknown error: 436

No known channel matching peer <CBPeripheral: 0x103e72060, identifier = 3AB93551-18D3-D485-33D5-9E027096E3F3, name = Xiaomi 15 Pro, mtu = 517, state = connected> with cid 72

No known channel matching peer <CBPeripheral: 0x103e72060, identifier = 3AB93551-18D3-D485-33D5-9E027096E3F3, name = Xiaomi 15 Pro, mtu = 517, state = connected> with psm 133

Cannot find l2CAP channel closed with psm:133 cid:72 and result:Error Domain=CBErrorDomain Code=0 "Unknown error." UserInfo={NSLocalizedDescription=Unknown error.}