diff --git a/scheduler/schedule.cpp b/scheduler/schedule.cpp
index 52c1705..73adaed 100644
--- a/scheduler/schedule.cpp
+++ b/scheduler/schedule.cpp
@@ -97,6 +97,7 @@ int SensorScheduler::StartSchedule(int short_addr, int &next_duration) {
                     current_request_ = kScheduleConfigSensor;
                     return kScheduleConfigSensor;
                 }
+                zlog_warn(zct, "[%d] it is wave time", id);
                 current_request_ = kScheduleWaveForm;
                 return kScheduleWaveForm;
             } else {