有在Info.plist配置权限使用说明（NSLocalNetworkUsageDescription），App本地网络权限也已经打开，但App请求局域网设备接口时，仍返回异常： Error Domain=NSURLErrorDomain Code=-1009 "The Internet connection appears to be offline." UserInfo={_kCFStreamErrorCodeKey=50, NSUnderlyingError=0x302d79d40 {Error Domain=kCFErrorDomainCFNetwork Code=-1009 "(null)" UserInfo={_NSURLErrorNWPathKey=unsatisfied (Local network prohibited), interface: en0[802.11], ipv4, uses wifi, _kCFStreamErrorCodeKey=50, _kCFStreamErrorDomainKey=1}}, _NSURLErrorFailingURLSessionTaskErrorKey=LocalDataTask .<1>, _NSURLErrorRelatedURLSessionTaskErrorKey=( "LocalDataTask .<1>" ), NSLocalizedDescription=The Internet connection appears to be offline., NSErrorFailingURLStringKey=http://192.168.1.1:80/xxx, NSErrorFailingURLKey=http://192.168.1.1:80/xxx, _kCFStreamErrorDomainKey=1}