diff --git a/services/sensor/src/sensor_data_processer.cpp b/services/sensor/src/sensor_data_processer.cpp
index 91ec01e26a671e1509c6fc2523a26967ebfac5dc..3310bfc165491b70418e905c3aff7712459f36f4 100644
--- a/services/sensor/src/sensor_data_processer.cpp
+++ b/services/sensor/src/sensor_data_processer.cpp
@@ -170,7 +170,7 @@ void SensorDataProcesser::ReportData(sptr<SensorBasicDataChannel> &channel, stru
     if (ReportNotContinuousData(cacheBuf, channel, event)) {
         return;
     }
-    int32_t periodCount = clientInfo_.ComputeBestPeriodCount(sensorId, channel);
+    uint64_t periodCount = clientInfo_.ComputeBestPeriodCount(sensorId, channel);
     if (periodCount == 0UL) {
         return;
     }