diff --git a/scheduler/schedule.cpp b/scheduler/schedule.cpp
index abe1939..1d90b9e 100644
--- a/scheduler/schedule.cpp
+++ b/scheduler/schedule.cpp
@@ -449,7 +449,7 @@ long SensorScheduler::CalcNextTimestamp(int id, uint16_t short_addr, bool &z, in
     }
 
     // 如果是在当前波形时间窗中，不管是空闲时间窗，还是发送波形的时间窗，下一个时间窗是特征值    
-    int eigen_send_ts = (id - 1) * 2;
+    int eigen_send_ts = (id - 1) * 4;
     if (eigen_send_ts > 57) {
         eigen_send_ts = eigen_send_ts % 57;
     }