diff --git a/bsp/stm32/stm32h503-st-nucleo/board/CubeMX_Config/Inc/stm32h5xx_it.h b/bsp/stm32/stm32h503-st-nucleo/board/CubeMX_Config/Inc/stm32h5xx_it.h
index 43b86c7ee7..7901a94f3a 100644
--- a/bsp/stm32/stm32h503-st-nucleo/board/CubeMX_Config/Inc/stm32h5xx_it.h
+++ b/bsp/stm32/stm32h503-st-nucleo/board/CubeMX_Config/Inc/stm32h5xx_it.h
@@ -55,6 +55,7 @@ void SVC_Handler(void);
 void DebugMon_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
+void GPDMA1_Channel0_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */
diff --git a/bsp/stm32/stm32h503-st-nucleo/board/CubeMX_Config/Src/stm32h5xx_hal_msp.c b/bsp/stm32/stm32h503-st-nucleo/board/CubeMX_Config/Src/stm32h5xx_hal_msp.c
index a7194d0419..14a8fc7b49 100644
--- a/bsp/stm32/stm32h503-st-nucleo/board/CubeMX_Config/Src/stm32h5xx_hal_msp.c
+++ b/bsp/stm32/stm32h503-st-nucleo/board/CubeMX_Config/Src/stm32h5xx_hal_msp.c
@@ -24,6 +24,7 @@
 /* USER CODE BEGIN Includes */
 #include <drv_common.h>
 /* USER CODE END Includes */
+DMA_HandleTypeDef handle_GPDMA1_Channel0;
 
 /* Private typedef -----------------------------------------------------------*/
 /* USER CODE BEGIN TD */
diff --git a/bsp/stm32/stm32h503-st-nucleo/board/Kconfig b/bsp/stm32/stm32h503-st-nucleo/board/Kconfig
index 590a81d52c..2b6249a412 100644
--- a/bsp/stm32/stm32h503-st-nucleo/board/Kconfig
+++ b/bsp/stm32/stm32h503-st-nucleo/board/Kconfig
@@ -47,6 +47,23 @@ menu "On-chip Peripheral Drivers"
                 bool "Enable UART1 RX DMA"
                 depends on BSP_USING_UART1 && RT_SERIAL_USING_DMA
                 default n
+			
+			config BSP_UART1_TX_USING_DMA
+                bool "Enable UART1 TX DMA"
+                depends on BSP_USING_UART1 && RT_SERIAL_USING_DMA
+                default n
+				
+			config BSP_UART1_RX_BUFSIZE
+                int "Set UART1 RX buffer size"
+				range 64 65535
+                depends on RT_USING_SERIAL_V2
+                default 256
+			
+			config BSP_UART1_TX_BUFSIZE
+                int "Set UART1 TX buffer size"
+				range 0 65535
+                depends on RT_USING_SERIAL_V2
+                default 0
 
             config BSP_USING_UART2
                 bool "Enable UART2"
@@ -56,7 +73,24 @@ menu "On-chip Peripheral Drivers"
                 bool "Enable UART2 RX DMA"
                 depends on BSP_USING_UART2 && RT_SERIAL_USING_DMA
                 default n
-
+			
+			config BSP_UART2_TX_USING_DMA
+                bool "Enable UART2 TX DMA"
+                depends on BSP_USING_UART2 && RT_SERIAL_USING_DMA
+                default n
+			
+			config BSP_UART2_RX_BUFSIZE
+                int "Set UART2 RX buffer size"
+				range 64 65535
+                depends on RT_USING_SERIAL_V2
+                default 256
+			
+			config BSP_UART2_TX_BUFSIZE
+                int "Set UART2 TX buffer size"
+				range 0 65535
+                depends on RT_USING_SERIAL_V2
+                default 0
+				
             config BSP_USING_UART3
                 bool "Enable UART3"
                 default y
@@ -65,7 +99,24 @@ menu "On-chip Peripheral Drivers"
                 bool "Enable UART3 RX DMA"
                 depends on BSP_USING_UART3 && RT_SERIAL_USING_DMA
                 default n
-
+			
+			config BSP_UART3_TX_USING_DMA
+                bool "Enable UART3 TX DMA"
+                depends on BSP_USING_UART3 && RT_SERIAL_USING_DMA
+                default n
+				
+			config BSP_UART3_RX_BUFSIZE
+                int "Set UART3 RX buffer size"
+				range 64 65535
+                depends on RT_USING_SERIAL_V2
+                default 256
+			
+			config BSP_UART3_TX_BUFSIZE
+                int "Set UART3 TX buffer size"
+				range 0 65535
+                depends on RT_USING_SERIAL_V2
+                default 0
+				
             config BSP_USING_LPUART1
                 bool "Enable LPUART1"
                 default n
@@ -74,6 +125,23 @@ menu "On-chip Peripheral Drivers"
                 bool "Enable LPUART1 RX DMA"
                 depends on BSP_USING_LPUART1 && RT_SERIAL_USING_DMA
                 default n
+			
+			config BSP_LPUART1_TX_USING_DMA
+                bool "Enable LPUART1 TX DMA"
+                depends on BSP_USING_LPUART1 && RT_SERIAL_USING_DMA
+                default n
+			
+			config BSP_LPUART1_RX_BUFSIZE
+                int "Set LPUART1 RX buffer size"
+				range 64 65535
+                depends on RT_USING_SERIAL_V2
+                default 256
+			
+			config BSP_LPUART1_TX_BUFSIZE
+                int "Set LPUART1 TX buffer size"
+				range 0 65535
+                depends on RT_USING_SERIAL_V2
+                default 0
         endif
 
     menuconfig BSP_USING_ADC