diff --git a/drivers/lhal/include/bflb_auadc.h b/drivers/lhal/include/bflb_auadc.h
index 8337fd4ae..6517cf386 100644
--- a/drivers/lhal/include/bflb_auadc.h
+++ b/drivers/lhal/include/bflb_auadc.h
@@ -3,9 +3,17 @@
 
 #include "bflb_core.h"
 
-/**
- *  @defgroup AUADC_SAMPLING_RATE auadc sampling rate
- */
+/** @addtogroup LHAL
+  * @{
+  */
+
+/** @addtogroup AUADC
+  * @{
+  */
+
+/** @defgroup AUADC_SAMPLING_RATE auadc sampling rate definition
+  * @{
+  */
 #define AUADC_SAMPLING_RATE_8K           0  /* audio mode */
 #define AUADC_SAMPLING_RATE_16K          1  /* audio mode */
 #define AUADC_SAMPLING_RATE_24K          2  /* audio mode, same as 22.02K, adjust the AUPLL clock */
@@ -18,9 +26,9 @@
   * @}
   */
 
-/**
- *  @defgroup AUADC_INPUT_MODE auadc input mode
- */
+/** @defgroup AUADC_INPUT_MODE auadc input mode definition
+  * @{
+  */
 #define AUADC_INPUT_MODE_ADC             0 /* Analog ADC */
 #define AUADC_INPUT_MODE_PDM_L           1 /* PDM left channel */
 #define AUADC_INPUT_MODE_PDM_R           2 /* PDM right channel */
@@ -28,8 +36,8 @@
   * @}
   */
 
-/**
- *  @defgroup AUADC_DATA_FORMAT auadc data format
+/** @defgroup AUADC_DATA_FORMAT auadc data format definition
+ * @{
  */
 #define AUADC_DATA_FORMAT_16BIT          3
 #define AUADC_DATA_FORMAT_20BIT          2
@@ -39,8 +47,8 @@
   * @}
   */
 
-/**
- *  @brief AUADC_ADC_ANALOG_CH auadc adc input ch
+/** @defgroup AUADC_ADC_ANALOG_CH auadc adc input ch definition
+ * @{
  */
 #define AUADC_ADC_ANALOG_CH_0            0
 #define AUADC_ADC_ANALOG_CH_1            1
@@ -54,8 +62,8 @@
   * @}
   */
 
-/**
- *  @brief AUADC_ADC_MEASURE_RATE auadc adc Sampling rate in measurement mode, @ AUADC_SAMPLING_RATE_MEASURE_256K
+/** @defgroup AUADC_ADC_MEASURE_RATE auadc adc sampling rate definition
+ * @{
  */
 
 #define AUADC_ADC_MEASURE_RATE_SPS_2_5   0
@@ -76,8 +84,8 @@
   * @}
   */
 
-/**
- *  @brief AUADC_ADC_MODE auadc adc mode
+/** @defgroup AUADC_ADC_MODE auadc adc mode definition
+ * @{
  */
 #define AUADC_ADC_MODE_AUDIO             0
 #define AUADC_ADC_MODE_MEASURE           1
@@ -85,8 +93,8 @@
   * @}
   */
 
-/**
- *  @brief AUADC_ADC_PGA_MODE auadc adc mode, Ac or DC, differential or single
+/** @defgroup AUADC_ADC_PGA_MODE auadc adc pga mode definition
+ * @{
  */
 #define AUADC_ADC_PGA_MODE_AC_DIFFER     0
 #define AUADC_ADC_PGA_MODE_AC_SINGLE     1
@@ -187,4 +195,12 @@ int bflb_auadc_feature_control(struct bflb_device_s *dev, int cmd, size_t arg);
 }
 #endif
 
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
 #endif
\ No newline at end of file
diff --git a/drivers/lhal/include/bflb_audac.h b/drivers/lhal/include/bflb_audac.h
index 0d7c2627d..193ce028d 100644
--- a/drivers/lhal/include/bflb_audac.h
+++ b/drivers/lhal/include/bflb_audac.h
@@ -3,8 +3,17 @@
 
 #include "bflb_core.h"
 
+/** @addtogroup LHAL
+  * @{
+  */
+
+/** @addtogroup AUDAC
+  * @{
+  */
+
 /**
- *  @defgroup AUDAC_SAMPLING_RATE audac sampling rate
+ *  @defgroup AUDAC_SAMPLING_RATE audac sampling rate definition
+ * @{
  */
 #define AUDAC_SAMPLING_RATE_8K                      0
 #define AUDAC_SAMPLING_RATE_16K                     1
@@ -18,7 +27,8 @@
   */
 
 /**
- *  @defgroup AUDAC_OUTPUT_MODE audac output mode
+ *  @defgroup AUDAC_OUTPUT_MODE audac output mode definition
+ * @{
  */
 #define AUDAC_OUTPUT_MODE_PWM                       0
 #define AUDAC_OUTPUT_MODE_GPDAC_CH_A                1
@@ -29,7 +39,8 @@
   */
 
 /**
- *  @defgroup AUDAC_SOURCE_CHANNEL source channels num
+ *  @defgroup AUDAC_SOURCE_CHANNEL audac channel mode definition
+ * @{
  */
 #define AUDAC_SOURCE_CHANNEL_SINGLE                 0x01
 #define AUDAC_SOURCE_CHANNEL_DUAL                   0x03
@@ -38,7 +49,9 @@
   */
 
 /**
- *  @defgroup AUDAC_MIXER_MODE audac mixer mode, this parameter is valid only in AUDAC_SOURCE_CHANNEL_DUAL mode
+ *  @defgroup AUDAC_MIXER_MODE audac mixer mode definition
+ *  this parameter is valid only in AUDAC_SOURCE_CHANNEL_DUAL mode
+ * @{
  */
 #define AUDAC_MIXER_MODE_ONLY_L                     0
 #define AUDAC_MIXER_MODE_ONLY_R                     1
@@ -49,7 +62,8 @@
   */
 
 /**
- *  @defgroup AUDAC_DATA_FORMAT audac data format
+ *  @defgroup AUDAC_DATA_FORMAT audac data format definition
+ * @{
  */
 #define AUDAC_DATA_FORMAT_16BIT                     3
 #define AUDAC_DATA_FORMAT_20BIT                     2
@@ -60,7 +74,8 @@
   */
 
 /**
- *  @defgroup AUDAC_RAMP_RATE audac volume ramp rate
+ *  @defgroup AUDAC_RAMP_RATE audac volume ramp rate definition
+ * @{
  */
 #define AUDAC_RAMP_RATE_FS_2                        0
 #define AUDAC_RAMP_RATE_FS_4                        1
@@ -78,7 +93,8 @@
   */
 
 /**
- *  @defgroup AUDAC_VOLUME_UPDATE_MODE audac volume ramp rate
+ *  @defgroup AUDAC_VOLUME_UPDATE_MODE audac volume update mode definition
+ * @{
  */
 #define AUDAC_VOLUME_UPDATE_MODE_FORCE              0
 #define AUDAC_VOLUME_UPDATE_MODE_RAMP               1
@@ -88,6 +104,7 @@
   */
 
 /** @defgroup AUDAC_INTSTS audac interrupt status definition
+ * @{
   * @{
   */
 #define AUDAC_INTSTS_VOLUME_RAMP                    (1 << 0)
@@ -170,4 +187,12 @@ int bflb_audac_feature_control(struct bflb_device_s *dev, int cmd, size_t arg);
 }
 #endif
 
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
 #endif
\ No newline at end of file