diff --git a/scheduler/schedule.cpp b/scheduler/schedule.cpp
index 61a8410..0b693dd 100644
--- a/scheduler/schedule.cpp
+++ b/scheduler/schedule.cpp
@@ -312,6 +312,9 @@ int SensorScheduler::GetNextDuration(int short_addr, int &next_task_id) {
     if (duration < 0 || duration > eigen_value_send_interval_) {
         zlog_warn(zct, "[Nxt] exception duration: %d", duration);
         duration = eigen_value_send_interval_;
+    }esle if(duration < 9){
+        zlog_warn(zct, "[Nxt] exception duration: %d", duration);
+        duration = 10;
     }
     zlog_warn(zct, "[Nxt] [%d:%x] next duration: %d, taskid: %d", id, short_addr, duration, next_task_id);
     return duration;