diff --git a/drivers/bl702_driver/hal_drv/inc/hal_adc.h b/drivers/bl702_driver/hal_drv/inc/hal_adc.h
index a79366e2..09e533b9 100644
--- a/drivers/bl702_driver/hal_drv/inc/hal_adc.h
+++ b/drivers/bl702_driver/hal_drv/inc/hal_adc.h
@@ -46,18 +46,18 @@ enum adc_index_type {
 #define adc_channel_config(dev, list) device_control(dev, DEVICE_CTRL_ADC_CHANNEL_CONFIG, list)
 
 typedef enum {
-    ADC_CHANNEL0,          /* GPIO 0, ADC channel 0 */
-    ADC_CHANNEL1,          /* GPIO 1, ADC channel 1 */
-    ADC_CHANNEL2,          /* GPIO 2, ADC channel 2 */
-    ADC_CHANNEL3,          /* GPIO 3, ADC channel 3 */
-    ADC_CHANNEL4,          /* GPIO 4, ADC channel 4 */
-    ADC_CHANNEL5,          /* GPIO 5, ADC channel 5 */
-    ADC_CHANNEL6,          /* GPIO 6, ADC channel 6 */
-    ADC_CHANNEL7,          /* GPIO 7, ADC channel 7 */
-    ADC_CHANNEL8,          /* GPIO 8, ADC channel 8 */
-    ADC_CHANNEL9,          /* GPIO 9, ADC channel 9 */
-    ADC_CHANNEL10,         /* GPIO 10, ADC channel 10 */
-    ADC_CHANNEL11,         /* GPIO 11, ADC channel 11 */
+    ADC_CHANNEL0,          /* ADC channel 0 */
+    ADC_CHANNEL1,          /* ADC channel 1 */
+    ADC_CHANNEL2,          /* ADC channel 2 */
+    ADC_CHANNEL3,          /* ADC channel 3 */
+    ADC_CHANNEL4,          /* ADC channel 4 */
+    ADC_CHANNEL5,          /* ADC channel 5 */
+    ADC_CHANNEL6,          /* ADC channel 6 */
+    ADC_CHANNEL7,          /* ADC channel 7 */
+    ADC_CHANNEL8,          /* ADC channel 8 */
+    ADC_CHANNEL9,          /* ADC channel 9 */
+    ADC_CHANNEL10,         /* ADC channel 10 */
+    ADC_CHANNEL11,         /* ADC channel 11 */
     ADC_CHANNEL_DAC_OUTA,  /* DACA, ADC channel 12 */
     ADC_CHANNEL_DAC_OUTB,  /* DACB, ADC channel 13 */
     ADC_CHANNEL_TSEN_P,    /* TSenp, ADC channel 14 */
diff --git a/drivers/bl702_driver/hal_drv/src/hal_adc.c b/drivers/bl702_driver/hal_drv/src/hal_adc.c
index 287b8a52..43570d56 100644
--- a/drivers/bl702_driver/hal_drv/src/hal_adc.c
+++ b/drivers/bl702_driver/hal_drv/src/hal_adc.c
@@ -47,9 +47,6 @@ int adc_open(struct device *dev, uint16_t oflag)
     ADC_CFG_Type adc_cfg = { 0 };
     ADC_FIFO_Cfg_Type adc_fifo_cfg = { 0 };
 
-    ADC_Disable();
-    ADC_Reset();
-
     adc_cfg.clkDiv = adc_device->clk_div;
 
     adc_cfg.vref = adc_device->vref;
@@ -83,11 +80,15 @@ int adc_open(struct device *dev, uint16_t oflag)
 
     adc_fifo_cfg.fifoThreshold = adc_device->fifo_threshold;
 
+    ADC_Disable();
+    ADC_Enable();
+
+    ADC_Reset();
+
     ADC_Init(&adc_cfg);
 
     ADC_FIFO_Cfg(&adc_fifo_cfg);
 
-    ADC_Enable();
     return 0;
 }
 /**