diff --git a/bsp/board/bl702/board.c b/bsp/board/bl702/board.c
index 9714a8a6..7728d722 100644
--- a/bsp/board/bl702/board.c
+++ b/bsp/board/bl702/board.c
@@ -199,6 +199,17 @@ static void board_pin_mux_init(void)
                 hbn_gpio_mask &= ~(1 << (af_pin_table[i].pin - 9));
             }
             continue;
+        } else if ((af_pin_table[i].func == GPIO_FUN_USB) || (af_pin_table[i].func == GPIO_FUN_DAC) || (af_pin_table[i].func == GPIO_FUN_ADC)) {
+            /*if analog func , for usb、adc、dac*/
+            gpio_cfg.gpioFun = GPIO_FUN_ANALOG;
+            gpio_cfg.gpioMode = GPIO_MODE_ANALOG;
+            gpio_cfg.pullType = GPIO_PULL_NONE;
+        } else if ((af_pin_table[i].func & 0xF0) == 0xF0) {
+            /*if uart func*/
+            gpio_cfg.gpioFun = GPIO_FUN_UART;
+            uint8_t sig = af_pin_table[i].func & 0x07;
+            /*link to one uart sig*/
+            GLB_UART_Fun_Sel((gpio_cfg.gpioPin % 8), sig);
         } else if (af_pin_table[i].func == GPIO_FUN_PWM) {
             /*if pwm func*/
             gpio_cfg.pullType = GPIO_PULL_DOWN;
@@ -212,17 +223,6 @@ static void board_pin_mux_init(void)
             gpio_cfg.pullType = GPIO_PULL_NONE;
             gpio_cfg.gpioMode = GPIO_MODE_OUTPUT;
             gpio_cfg.gpioFun = GPIO_FUN_QDEC;
-        } else if ((af_pin_table[i].func == GPIO_FUN_USB) || (af_pin_table[i].func == GPIO_FUN_DAC) || (af_pin_table[i].func == GPIO_FUN_ADC)) {
-            /*if analog func , for usb、adc、dac*/
-            gpio_cfg.gpioFun = GPIO_FUN_ANALOG;
-            gpio_cfg.gpioMode = GPIO_MODE_ANALOG;
-            gpio_cfg.pullType = GPIO_PULL_NONE;
-        } else if ((af_pin_table[i].func & 0x70) == 0x70) {
-            /*if uart func*/
-            gpio_cfg.gpioFun = GPIO_FUN_UART;
-            uint8_t sig = af_pin_table[i].func & 0x07;
-            /*link to one uart sig*/
-            GLB_UART_Fun_Sel((gpio_cfg.gpioPin % 8), sig);
         } else if (af_pin_table[i].func == GPIO_FUN_CLK_OUT) {
             if (af_pin_table[i].pin % 2) {
                 /*odd gpio output clock*/
@@ -302,12 +302,20 @@ void bl_show_info(void)
 
 #if 0
     MSG("root clock:%dM\r\n", system_clock_get(SYSTEM_CLOCK_ROOT_CLOCK) / 1000000); /*root clock before f_div*/
+
     MSG("fclk clock:%dM\r\n", system_clock_get(SYSTEM_CLOCK_FCLK) / 1000000);       /*after f_div,this is system core clock*/
     MSG("bclk clock:%dM\r\n", system_clock_get(SYSTEM_CLOCK_BCLK) / 1000000);
 
     MSG("uart clock:%dM\r\n", peripheral_clock_get(PERIPHERAL_CLOCK_UART) / 1000000);
     MSG("spi clock:%dM\r\n", peripheral_clock_get(PERIPHERAL_CLOCK_SPI) / 1000000);
     MSG("i2c clock:%dM\r\n", peripheral_clock_get(PERIPHERAL_CLOCK_I2C) / 1000000);
+    MSG("adc clock:%dM\r\n", peripheral_clock_get(PERIPHERAL_CLOCK_ADC) / 1000000);
+    MSG("dac clock:%dM\r\n", peripheral_clock_get(PERIPHERAL_CLOCK_DAC) / 1000000);
+    MSG("i2s clock:%dM\r\n", peripheral_clock_get(PERIPHERAL_CLOCK_I2S) / 1000000);
+    MSG("pwm clock:%dhz\r\n", peripheral_clock_get(PERIPHERAL_CLOCK_PWM));
+    MSG("cam clock:%dM\r\n", peripheral_clock_get(PERIPHERAL_CLOCK_CAM) / 1000000);
+    MSG("timer0 clock:%dM\r\n", peripheral_clock_get(PERIPHERAL_CLOCK_TIMER0) / 1000000);
+    MSG("timer1 clock:%dM\r\n", peripheral_clock_get(PERIPHERAL_CLOCK_TIMER1) / 1000000);
 #endif
 }
 
diff --git a/drivers/bl702_driver/std_drv/inc/bl702_gpio.h b/drivers/bl702_driver/std_drv/inc/bl702_gpio.h
index 8f1bd38e..519adfab 100644
--- a/drivers/bl702_driver/std_drv/inc/bl702_gpio.h
+++ b/drivers/bl702_driver/std_drv/inc/bl702_gpio.h
@@ -127,9 +127,6 @@ typedef enum {
     GPIO_FUN_PWM = 8,
     GPIO_FUN_CAM = 9,
     GPIO_FUN_ANALOG = 10,
-    GPIO_FUN_USB = 10,
-    GPIO_FUN_DAC = 10,
-    GPIO_FUN_ADC = 10,
     GPIO_FUN_GPIO = 11,
     GPIO_FUN_RF_TEST = 12,
     GPIO_FUN_SCAN = 13,
@@ -141,32 +138,35 @@ typedef enum {
     GPIO_FUN_ETHER_MAC = 19,
     GPIO_FUN_EMAC = 19,
     GPIO_FUN_QDEC = 20,
-    GPIO_FUN_QDEC_LED = 24,
     GPIO_FUN_KEY_SCAN_IN = 21,
     GPIO_FUN_KEY_SCAN_ROW = 21,
     GPIO_FUN_KEY_SCAN_DRIVE = 22,
     GPIO_FUN_KEY_SCAN_COL = 22,
     GPIO_FUN_CAM_MISC = 23,
-    GPIO_FUN_UART0_RTS = 0x70,
-    GPIO_FUN_UART0_CTS = 0x71,
-    GPIO_FUN_UART0_TX = 0x72,
-    GPIO_FUN_UART0_RX = 0x73,
-    GPIO_FUN_UART1_RTS = 0x74,
-    GPIO_FUN_UART1_CTS = 0x75,
-    GPIO_FUN_UART1_TX = 0x76,
-    GPIO_FUN_UART1_RX = 0x77,
-    GPIO_FUN_GPIO_OUTPUT_UP = 240,
-    GPIO_FUN_GPIO_OUTPUT_DOWN = 241,
-    GPIO_FUN_GPIO_OUTPUT_NONE = 242,
-    GPIO_FUN_GPIO_INPUT_UP = 243,
-    GPIO_FUN_GPIO_INPUT_DOWN = 244,
-    GPIO_FUN_GPIO_INPUT_NONE = 245,
-    GPIO_FUN_GPIO_EXTI_RISING_EDGE = 246,
-    GPIO_FUN_GPIO_EXTI_FALLING_EDGE = 247,
-    GPIO_FUN_GPIO_EXTI_HIGH_LEVEL = 248,
-    GPIO_FUN_GPIO_EXTI_LOW_LEVEL = 249,
-    GPIO_FUN_WAKEUP = 250,
-    GPIO_FUN_UNUSED = 255
+    GPIO_FUN_USB = 0xD0,
+    GPIO_FUN_DAC = 0xD1,
+    GPIO_FUN_ADC = 0xD2,
+    GPIO_FUN_QDEC_LED = 0xD3,
+    GPIO_FUN_GPIO_OUTPUT_UP = 0xE0,
+    GPIO_FUN_GPIO_OUTPUT_DOWN = 0xE1,
+    GPIO_FUN_GPIO_OUTPUT_NONE = 0xE2,
+    GPIO_FUN_GPIO_INPUT_UP = 0xE3,
+    GPIO_FUN_GPIO_INPUT_DOWN = 0xE4,
+    GPIO_FUN_GPIO_INPUT_NONE = 0xE5,
+    GPIO_FUN_GPIO_EXTI_RISING_EDGE = 0xE6,
+    GPIO_FUN_GPIO_EXTI_FALLING_EDGE = 0xE7,
+    GPIO_FUN_GPIO_EXTI_HIGH_LEVEL = 0xE8,
+    GPIO_FUN_GPIO_EXTI_LOW_LEVEL = 0xE9,
+    GPIO_FUN_UART0_RTS = 0xF0,
+    GPIO_FUN_UART0_CTS = 0xF1,
+    GPIO_FUN_UART0_TX = 0xF2,
+    GPIO_FUN_UART0_RX = 0xF3,
+    GPIO_FUN_UART1_RTS = 0xF4,
+    GPIO_FUN_UART1_CTS = 0xF5,
+    GPIO_FUN_UART1_TX = 0xF6,
+    GPIO_FUN_UART1_RX = 0xF7,
+    GPIO_FUN_WAKEUP = 0xFE,
+    GPIO_FUN_UNUSED = 0xFF
 } GLB_GPIO_FUNC_Type;
 
 typedef struct