diff --git a/services/include/sensor_manager.h b/services/include/sensor_manager.h
index c77736407c83f2613d86a6d831eab2cd7f9d5405..c5e8d031f588d63960960dbc413ed69b7accc7a4 100644
--- a/services/include/sensor_manager.h
+++ b/services/include/sensor_manager.h
@@ -53,8 +53,8 @@ private:
 #ifdef HDF_DRIVERS_INTERFACE_SENSOR
     SensorHdiConnection &sensorHdiConnection_ = SensorHdiConnection::GetInstance();
     std::thread dataThread_;
-    sptr<SensorDataProcesser> sensorDataProcesser_;
-    sptr<ReportDataCallback> reportDataCallback_;
+    sptr<SensorDataProcesser> sensorDataProcesser_ = nullptr;
+    sptr<ReportDataCallback> reportDataCallback_ = nullptr;
 #endif // HDF_DRIVERS_INTERFACE_SENSOR
     ClientInfo &clientInfo_ = ClientInfo::GetInstance();
     std::unordered_map<int32_t, Sensor> sensorMap_;
diff --git a/services/src/sensor_data_processer.cpp b/services/src/sensor_data_processer.cpp
index 8c1b010f234a0b736fa23226b75eb28171ef063a..47e83bb964657eea153ef446157ab4c72ebbe3c6 100644
--- a/services/src/sensor_data_processer.cpp
+++ b/services/src/sensor_data_processer.cpp
@@ -295,6 +295,10 @@ int32_t SensorDataProcesser::DataThread(sptr<SensorDataProcesser> dataProcesser,
     CALL_LOG_ENTER;
     prctl(PR_SET_NAME, SENSOR_REPORT_THREAD_NAME.c_str());
     do {
+        if (dataProcesser == nullptr || dataCallback == nullptr) {
+            SEN_HILOGE("dataProcesser or dataCallback is nullptr");
+            return INVALID_POINTER;
+        }
         if (dataProcesser->ProcessEvents(dataCallback) == INVALID_POINTER) {
             SEN_HILOGE("Callback cannot be null");
             return INVALID_POINTER;