diff --git a/frameworks/native/sensor/src/sensor_service_proxy.cpp b/frameworks/native/sensor/src/sensor_service_proxy.cpp
index 459cca58633444004ec43608193fdb72e18fdb60..55c58306d2fdd483735e3604a276785c83863b5d 100755
--- a/frameworks/native/sensor/src/sensor_service_proxy.cpp
+++ b/frameworks/native/sensor/src/sensor_service_proxy.cpp
@@ -61,7 +61,9 @@ ErrCode SensorServiceProxy::EnableSensor(uint32_t sensorId, int64_t samplingPeri
         SEN_HILOGE("write maxReportDelayNs failed");
         return WRITE_MSG_ERR;
     }
-    int32_t ret = Remote()->SendRequest(ISensorService::ENABLE_SENSOR, data, reply, option);
+    sptr<IRemoteObject> remote = Remote();
+    CHKPR(remote, ERROR);
+    int32_t ret = remote->SendRequest(ISensorService::ENABLE_SENSOR, data, reply, option);
     if (ret != NO_ERROR) {
         DmdReport::ReportException(SENSOR_SERVICE_IPC_EXCEPTION, "EnableSensor", ret);
         SEN_HILOGE("failed, ret : %{public}d", ret);
@@ -82,7 +84,9 @@ ErrCode SensorServiceProxy::DisableSensor(uint32_t sensorId)
         SEN_HILOGE("write sensorId failed");
         return WRITE_MSG_ERR;
     }
-    int32_t ret = Remote()->SendRequest(ISensorService::DISABLE_SENSOR, data, reply, option);
+    sptr<IRemoteObject> remote = Remote();
+    CHKPR(remote, ERROR);
+    int32_t ret = remote->SendRequest(ISensorService::DISABLE_SENSOR, data, reply, option);
     if (ret != NO_ERROR) {
         DmdReport::ReportException(SENSOR_SERVICE_IPC_EXCEPTION, "DisableSensor", ret);
         SEN_HILOGE("failed, ret : %{public}d", ret);
@@ -103,7 +107,9 @@ int32_t SensorServiceProxy::GetSensorState(uint32_t sensorId)
         SEN_HILOGE("write sensorId failed");
         return WRITE_MSG_ERR;
     }
-    int32_t ret = Remote()->SendRequest(ISensorService::GET_SENSOR_STATE, data, reply, option);
+    sptr<IRemoteObject> remote = Remote();
+    CHKPR(remote, ERROR);
+    int32_t ret = remote->SendRequest(ISensorService::GET_SENSOR_STATE, data, reply, option);
     if (ret != NO_ERROR) {
         DmdReport::ReportException(SENSOR_SERVICE_IPC_EXCEPTION, "GetSensorState", ret);
         SEN_HILOGE("failed, ret : %{public}d", ret);
@@ -136,7 +142,9 @@ ErrCode SensorServiceProxy::RunCommand(uint32_t sensorId, uint32_t cmdType, uint
         SEN_HILOGE("write params failed");
         return WRITE_MSG_ERR;
     }
-    int32_t ret = Remote()->SendRequest(ISensorService::RUN_COMMAND, data, reply, option);
+    sptr<IRemoteObject> remote = Remote();
+    CHKPR(remote, ERROR);
+    int32_t ret = remote->SendRequest(ISensorService::RUN_COMMAND, data, reply, option);
     if (ret != NO_ERROR) {
         DmdReport::ReportException(SENSOR_SERVICE_IPC_EXCEPTION, "RunCommand", ret);
         SEN_HILOGE("failed, ret : %{public}d", ret);
@@ -154,7 +162,12 @@ std::vector<Sensor> SensorServiceProxy::GetSensorList()
         SEN_HILOGE("write descriptor failed");
         return sensors;
     }
-    int32_t ret = Remote()->SendRequest(ISensorService::GET_SENSOR_LIST, data, reply, option);
+    sptr<IRemoteObject> remote = Remote();
+    if (remote == nullptr) {
+        SEN_HILOGE("remote is null");
+        return sensors;
+    }
+    int32_t ret = remote->SendRequest(ISensorService::GET_SENSOR_LIST, data, reply, option);
     if (ret != NO_ERROR) {
         DmdReport::ReportException(SENSOR_SERVICE_IPC_EXCEPTION, "GetSensorList", ret);
         SEN_HILOGE("failed, ret : %{public}d", ret);
@@ -194,7 +207,9 @@ ErrCode SensorServiceProxy::TransferDataChannel(const sptr<SensorBasicDataChanne
         SEN_HILOGE("sensorClient failed");
         return WRITE_MSG_ERR;
     }
-    int32_t ret = Remote()->SendRequest(ISensorService::TRANSFER_DATA_CHANNEL, data, reply, option);
+    sptr<IRemoteObject> remote = Remote();
+    CHKPR(remote, ERROR);
+    int32_t ret = remote->SendRequest(ISensorService::TRANSFER_DATA_CHANNEL, data, reply, option);
     if (ret != NO_ERROR) {
         DmdReport::ReportException(SENSOR_SERVICE_IPC_EXCEPTION, "TransferDataChannel", ret);
         SEN_HILOGE("failed, ret : %{public}d", ret);
@@ -217,7 +232,9 @@ ErrCode SensorServiceProxy::DestroySensorChannel(sptr<IRemoteObject> sensorClien
         SEN_HILOGE("write sensorClient failed");
         return WRITE_MSG_ERR;
     }
-    int32_t ret = Remote()->SendRequest(ISensorService::DESTROY_SENSOR_CHANNEL, data, reply, option);
+    sptr<IRemoteObject> remote = Remote();
+    CHKPR(remote, ERROR);
+    int32_t ret = remote->SendRequest(ISensorService::DESTROY_SENSOR_CHANNEL, data, reply, option);
     if (ret != NO_ERROR) {
         DmdReport::ReportException(SENSOR_SERVICE_IPC_EXCEPTION, "DestroySensorChannel", ret);
         SEN_HILOGE("failed, ret : %{public}d", ret);