diff --git a/src/service/disinfection_ctl_service.cpp b/src/service/disinfection_ctl_service.cpp
index 835d473..326129c 100644
--- a/src/service/disinfection_ctl_service.cpp
+++ b/src/service/disinfection_ctl_service.cpp
@@ -121,6 +121,7 @@ void DisinfectionCtrlService::startDisinfection(int loglevel, float roomVol) {
     // bool       preHeartFinishedFlag = false;
 
     logger->info("startDisinfection {} {} {}", loglevel, roomVol, m_disinfectionID);
+    m_zcanHost->warning_light_ctrl_c1002(1, 1, 1, 1, 0);
 
     auto starttime = zsteady_clock().now();
     heartingPlate_setPower(true);
@@ -162,6 +163,7 @@ void DisinfectionCtrlService::startDisinfection(int loglevel, float roomVol) {
     usleep(1000 * 1000);
     heartingPlate_setPower(false);
     m_disinfectionWorkState = 3;
+    m_zcanHost->warning_light_ctrl_c1002(1, 0, 0, 0, 0);
   }));
 }