diff --git a/test/unittest/platform/common/adc_test.c b/test/unittest/platform/common/adc_test.c
index aeb48461..e23d0114 100644
--- a/test/unittest/platform/common/adc_test.c
+++ b/test/unittest/platform/common/adc_test.c
@@ -123,6 +123,7 @@ int32_t AdcTestRead(void)
             return HDF_ERR_IO;
         }
     }
+    HDF_LOGI("%s: ADC device num is %u", __func__, tester->config.devNum);
 
     AdcTesterPut(tester);
     HDF_LOGI("%s: done", __func__);
diff --git a/test/unittest/platform/virtual/adc_linux_virtual_iio_driver.c b/test/unittest/platform/virtual/adc_linux_virtual_iio_driver.c
index 771071e7..749a91c8 100644
--- a/test/unittest/platform/virtual/adc_linux_virtual_iio_driver.c
+++ b/test/unittest/platform/virtual/adc_linux_virtual_iio_driver.c
@@ -57,7 +57,8 @@ static int AdcReadRaw(struct iio_dev *indioDev, struct iio_chan_spec const *chan
 {
     struct VirtualAdcDev *dev = NULL;
     int ret;
- 
+
+    HDF_LOGI("%s: Enter", __func__);
     if (indioDev == NULL || chan == NULL || val == NULL || val2 == NULL) {
         HDF_LOGE("%s: Illegal parameter", __func__);
         return -EINVAL;
@@ -66,7 +67,7 @@ static int AdcReadRaw(struct iio_dev *indioDev, struct iio_chan_spec const *chan
         HDF_LOGE("%s: ADC_SCALE_DATA is Illegal", __func__);
         return -EINVAL;
     }
- 
+
     dev = iio_priv(indioDev);
     switch (mask) {
         case IIO_CHAN_INFO_RAW: