新增设备主子码流选择，默认为不开启

‘sxh’

2023-06-15 15df08964bb459d6d01ec5ef423eae094eac1c72

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/response/impl/CancelResponseProcessor.java

@@ -17,7 +17,7 @@
@Component
public class CancelResponseProcessor extends SIPResponseProcessorAbstract {

   private String method = "CANCEL";
   private final String method = "CANCEL";

   @Autowired
   private SipLayer sipLayer;