diff --git a/scheduler/schedule.cpp b/scheduler/schedule.cpp
index 0fbdb99..fc5daac 100644
--- a/scheduler/schedule.cpp
+++ b/scheduler/schedule.cpp
@@ -347,7 +347,7 @@ int SensorScheduler::StartSchedule(int short_addr, int &next_duration) {
                     }
                 } 
                 // wrong time to come
-                long available_ts = current_wave_start_ts_ + eigen_value_send_interval_ + (id - 1) * eigen_value_send_duration_;
+                long available_ts = current_wave_start_ts_ + (nth_eigen_value_slice_ + 1) * eigen_value_send_interval_ + (id - 1) * eigen_value_send_duration_;
                 zlog_warn(zct, "[%d] wrong time in wave slice, next feature send utc time:[%s]", id, GetUTCTime(available_ts).c_str());
                 next_duration = available_ts - current_ts_;
                 return kScheduleWrongTime;