diff --git a/services/sensor/hdi_connection/adapter/src/compatible_connection.cpp b/services/sensor/hdi_connection/adapter/src/compatible_connection.cpp
index 86273d687574cbc328b8fb08cc254cb31429946d..f4bf6f62fb81f7f37085938eb2e666dbbd89c4e4 100644
--- a/services/sensor/hdi_connection/adapter/src/compatible_connection.cpp
+++ b/services/sensor/hdi_connection/adapter/src/compatible_connection.cpp
@@ -138,6 +138,7 @@ int32_t CompatibleConnection::SensorDataCallback(const struct SensorEvents *even
         .dataLen = event->dataLen
     };
     sensorEvent.data = new uint8_t[SENSOR_DATA_LENGHT];
+    CHKPR(sensorEvent.data, ERR_INVALID_VALUE);
     errno_t ret = memcpy_s(sensorEvent.data, event->dataLen, event->data, event->dataLen);
     if (ret != EOK) {
         SEN_HILOGE("copy data failed");
diff --git a/services/sensor/hdi_connection/adapter/src/sensor_event_callback.cpp b/services/sensor/hdi_connection/adapter/src/sensor_event_callback.cpp
index 531b49cbca73bdbe36d47ab77bda253ceeda2b13..435bb4e08633e167ab82d61c0151d038fe6ee340 100644
--- a/services/sensor/hdi_connection/adapter/src/sensor_event_callback.cpp
+++ b/services/sensor/hdi_connection/adapter/src/sensor_event_callback.cpp
@@ -44,6 +44,7 @@ int32_t SensorEventCallback::OnDataEvent(const HdfSensorEvents& event)
         .dataLen = event.dataLen
     };
     sensorEvent.data = new uint8_t[SENSOR_DATA_LENGHT];
+    CHKPR(sensorEvent.data, ERR_INVALID_VALUE);
     for (int32_t i = 0; i < static_cast<int32_t>(dataSize); i++) {
         sensorEvent.data[i] = event.data[i];
     }
diff --git a/services/sensor/src/sensor_data_processer.cpp b/services/sensor/src/sensor_data_processer.cpp
index be50d8c78b9094e6397815e1acbb5e29c4a04db1..d88d4911dd90b6022c90daa3f521395b3f32f3ec 100644
--- a/services/sensor/src/sensor_data_processer.cpp
+++ b/services/sensor/src/sensor_data_processer.cpp
@@ -356,7 +356,9 @@ int32_t SensorDataProcesser::ProcessEvents(sptr<ReportDataCallback> dataCallback
     int32_t eventNum = eventsBuf.eventNum;
     for (int32_t i = 0; i < eventNum; i++) {
         EventFilter(eventsBuf);
-        delete[] eventsBuf.circularBuf[eventsBuf.readPos].data;
+        if (eventsBuf.circularBuf[eventsBuf.readPos].data != nullptr) {
+            delete[] eventsBuf.circularBuf[eventsBuf.readPos].data;
+        }
         eventsBuf.readPos++;
         if (eventsBuf.readPos == CIRCULAR_BUF_LEN) {
             eventsBuf.readPos = 0;