diff --git a/common/global.hpp b/common/global.hpp
index 775fd95..2c2fc61 100644
--- a/common/global.hpp
+++ b/common/global.hpp
@@ -18,7 +18,7 @@ enum enumZigBeeTransmitStatus {
 
 
 //#define NR5G_MODULE
-//#define Q4G_MODULE
+#define Q4G_MODULE
 //#define WIFI_MODULE
 //#define NR5G_MEIGE
 
diff --git a/scheduler/schedule.cpp b/scheduler/schedule.cpp
index 465d8ab..18ca09c 100644
--- a/scheduler/schedule.cpp
+++ b/scheduler/schedule.cpp
@@ -147,6 +147,13 @@ int SensorScheduler::StartSchedule(int short_addr, int &next_duration, int &next
             // wrong time to come
             long available_ts = current_wave_start_ts_ + (nth_eigen_value_slice_ + 1) * eigen_value_send_interval_ + (id - 1) * eigen_value_send_duration_;
             next_duration = available_ts - current_ts_;
+            if (next_duration < 0 || next_duration > eigen_value_send_interval_) {
+                zlog_warn(zct, "[Nxt] exception duration: %d", next_duration);
+                next_duration = eigen_value_send_interval_;
+            }else if(next_duration < 15){
+                zlog_warn(zct, "[Nxt] exception duration: %d", next_duration);
+                next_duration = 15;
+            }
             next_task_id = kScheduleEigenValue;
             zlog_warn(zct, "[%d:%x] wrong time in wave slice, next feature send utc time:[%s], duration:%d", id, short_addr, GetUTCTime(available_ts).c_str(), next_duration);                
             return kScheduleResultNone;                
@@ -312,9 +319,9 @@ 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_;
-    }else if(duration < 9){
+    }else if(duration < 15){
         zlog_warn(zct, "[Nxt] exception duration: %d", duration);
-        duration = 10;
+        duration = 15;
     }
     zlog_warn(zct, "[Nxt] [%d:%x] next duration: %d, taskid: %d", id, short_addr, duration, next_task_id);
     return duration;