fix online key

services/emqx-agent/agent.go

@@ -165,7 +165,7 @@ func (a *Agent) Connected(status *protocol.DevConnectStatus) error {
 		return nil
 	}
 	args := rpcs.ArgsGetOnline{
-		Id:                device.RecordId,
+		Id:                device.DeviceIdentifier,
 		ClientIP:          status.ClientIp,
 		AccessRPCHost:     server.GetRPCHost(),
 		HeartbeatInterval: 300,
@@ -195,7 +195,7 @@ func (a *Agent) Disconnected(status *protocol.DevConnectStatus) error {
 		return nil
 	}
 	args := rpcs.ArgsGetOffline{
-		Id:       device.RecordId,
+		Id:       device.DeviceIdentifier,
 		VendorId: device.VendorID,
 	}
 	reply := rpcs.ReplyGetOffline{}