diff --git a/services/sensor/hdi_connection/interface/src/sensor_hdi_connection.cpp b/services/sensor/hdi_connection/interface/src/sensor_hdi_connection.cpp
index 78e631623b4efe91ce2f5addaeaa063ad11117f3..0d5c04fd5e76c38d78ef2304549bc928066ae11a 100644
--- a/services/sensor/hdi_connection/interface/src/sensor_hdi_connection.cpp
+++ b/services/sensor/hdi_connection/interface/src/sensor_hdi_connection.cpp
@@ -22,7 +22,6 @@
 namespace OHOS {
 namespace Sensors {
 using namespace OHOS::HiviewDFX;
-
 namespace {
 constexpr HiLogLabel LABEL = { LOG_CORE, SensorsLogDomain::SENSOR_SERVICE, "SensorHdiConnection" };
 }
@@ -30,6 +29,10 @@ constexpr HiLogLabel LABEL = { LOG_CORE, SensorsLogDomain::SENSOR_SERVICE, "Sens
 int32_t SensorHdiConnection::ConnectHdi()
 {
     iSensorHdiConnection_ = std::make_unique<HdiConnection>();
+    if (iSensorHdiConnection_ == nullptr) {
+        HiLog::Error(LABEL, "%{public}s failed, iSensorHdiConnection_ cannot be null", __func__);
+        return ERROR;
+    }
     int32_t ret = connectHdiService();
     if (ret != ERR_OK) {
         HiLog::Error(LABEL, "%{public}s connect hdi service failed, try to connect compatible connection",