diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index 3accaae5..3a0c5a8d 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -1997,6 +1997,7 @@ int CPhoneDevice::GetWData(IDevice::WEATHER_INFO *weatherInfo)
     return true;
 
 }
+#ifdef USING_N938
 bool CPhoneDevice::OpenSensors()
 {
     GpioControl::setInt(CMD_SET_CAM_3V3_EN_STATE, true ? 1 : 0);
@@ -2064,7 +2065,7 @@ bool CPhoneDevice::CloseSensors()
     igpio = GpioControl::getInt(CMD_SET_485_en4);
     return 0;
 }
-
+#else
 bool CPhoneDevice::OpenSensors()
 {
     return false;
@@ -2073,4 +2074,5 @@ bool CPhoneDevice::OpenSensors()
 bool CPhoneDevice::CloseSensors()
 {
     return false;
-}
\ No newline at end of file
+}
+#endif
\ No newline at end of file