diff --git a/os/arch/arm/src/amebasmart/amebasmart_serial.c b/os/arch/arm/src/amebasmart/amebasmart_serial.c
index c0316f6ef2..4330acc480 100644
--- a/os/arch/arm/src/amebasmart/amebasmart_serial.c
+++ b/os/arch/arm/src/amebasmart/amebasmart_serial.c
@@ -584,8 +584,8 @@ static int rtl8730e_log_uart_irq(void *Data)
 
 static int rtl8730e_log_up_attach(struct uart_dev_s *dev)
 {
-	InterruptRegister((IRQ_FUN)rtl8730e_log_uart_irq, RTL8730E_UART_LOG_IRQ-32, (int)NULL, 4);
-	InterruptEn(RTL8730E_UART_LOG_IRQ-32, 4);
+	InterruptRegister((IRQ_FUN)rtl8730e_log_uart_irq, RTL8730E_UART_LOG_IRQ-32, (int)NULL, INT_PRI_MIDDLE);
+	InterruptEn(RTL8730E_UART_LOG_IRQ-32, INT_PRI_MIDDLE);
 	return 0;
 }
 
@@ -837,8 +837,8 @@ static int rtl8730e_up_setup(struct uart_dev_s *dev)
 	if (uart_index_get(priv->tx) == 4)	{//Loguart cannot be stopped
 		irq_disable(RTL8730E_UART_LOG_IRQ-32);
 		irq_unregister(RTL8730E_UART_LOG_IRQ-32);
-		InterruptRegister((IRQ_FUN)rtl8730e_log_uart_irq, RTL8730E_UART_LOG_IRQ-32, (int)NULL, 4);
-		InterruptEn(RTL8730E_UART_LOG_IRQ-32, 4);
+		InterruptRegister((IRQ_FUN)rtl8730e_log_uart_irq, RTL8730E_UART_LOG_IRQ-32, (int)NULL, INT_PRI_MIDDLE);
+		InterruptEn(RTL8730E_UART_LOG_IRQ-32, INT_PRI_MIDDLE);
 	} else {
 		sdrv[uart_index_get(priv->tx)]->uart_idx = uart_index_get(priv->tx);
 		serial_init((serial_t *) sdrv[uart_index_get(priv->tx)], priv->tx, priv->rx);
diff --git a/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/gpio_irq_api.c b/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/gpio_irq_api.c
index 2609cdfa58..f084ce27bc 100755
--- a/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/gpio_irq_api.c
+++ b/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/gpio_irq_api.c
@@ -64,14 +64,14 @@ int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32
 	GPIO_Init(&GPIO_InitStruct);
 
 	if (port_num == GPIO_PORT_A) {
-		InterruptRegister(GPIO_INTHandler, GPIOA_IRQ, (u32)GPIOA_BASE, 5);
-		InterruptEn(GPIOA_IRQ, 5);
+		InterruptRegister(GPIO_INTHandler, GPIOA_IRQ, (u32)GPIOA_BASE, INT_PRI_MIDDLE);
+		InterruptEn(GPIOA_IRQ, INT_PRI_MIDDLE);
 	} else if (port_num == GPIO_PORT_B) {
-		InterruptRegister(GPIO_INTHandler, GPIOB_IRQ, (u32)GPIOB_BASE, 5);
-		InterruptEn(GPIOB_IRQ, 5);
+		InterruptRegister(GPIO_INTHandler, GPIOB_IRQ, (u32)GPIOB_BASE, INT_PRI_MIDDLE);
+		InterruptEn(GPIOB_IRQ, INT_PRI_MIDDLE);
 	} else if (port_num == GPIO_PORT_C) {
-		InterruptRegister(GPIO_INTHandler, GPIOC_IRQ, (u32)GPIOC_BASE, 5);
-		InterruptEn(GPIOC_IRQ, 5);
+		InterruptRegister(GPIO_INTHandler, GPIOC_IRQ, (u32)GPIOC_BASE, INT_PRI_MIDDLE);
+		InterruptEn(GPIOC_IRQ, INT_PRI_MIDDLE);
 	}
 
 	GPIO_UserRegIrq(GPIO_InitStruct.GPIO_Pin, (VOID *) handler, (VOID *) id);
diff --git a/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/rtc_api.c b/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/rtc_api.c
index 6fc690dc6a..f82e4bd7a2 100755
--- a/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/rtc_api.c
+++ b/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/rtc_api.c
@@ -310,8 +310,8 @@ u32 rtc_set_alarm(alarm_t *alrm, alarm_irq_handler alarmHandler)
 	RTC_SetAlarm(RTC_Format_BIN, &RTC_AlarmStruct_temp);
 
 	RTC_AlarmCmd(ENABLE);
-	InterruptRegister((IRQ_FUN)rtc_alarm_intr_handler, RTC_IRQ, (u32)alrm, 5);
-	InterruptEn(RTC_IRQ, 5);
+	InterruptRegister((IRQ_FUN)rtc_alarm_intr_handler, RTC_IRQ, (u32)alrm, INT_PRI_MIDDLE);
+	InterruptEn(RTC_IRQ, INT_PRI_MIDDLE);
 
 	return _TRUE;
 }
diff --git a/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/serial_api.c b/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/serial_api.c
index 4351f2c548..371cc01c77 100644
--- a/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/serial_api.c
+++ b/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/serial_api.c
@@ -471,8 +471,8 @@ void serial_init(serial_t *obj, PinName tx, PinName rx)
 	UART_StructInit(&puart_adapter->UART_InitStruct);
 	UART_Init(puart_adapter->UARTx, &puart_adapter->UART_InitStruct);
 
-	InterruptRegister((IRQ_FUN)uart_irqhandler, puart_adapter->IrqNum, (u32)puart_adapter, 5);
-	InterruptEn(puart_adapter->IrqNum, 5);
+	InterruptRegister((IRQ_FUN)uart_irqhandler, puart_adapter->IrqNum, (u32)puart_adapter, INT_PRI_MIDDLE);
+	InterruptEn(puart_adapter->IrqNum, INT_PRI_MIDDLE);
 
 #ifdef CONFIG_MBED_ENABLED
 	// For stdio management
diff --git a/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/spi_api.c b/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/spi_api.c
index 0cbf40e3e4..18bd331749 100755
--- a/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/spi_api.c
+++ b/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/spi_api.c
@@ -56,6 +56,8 @@ typedef struct {
 
 	/* mbed var */
 	u32 dma_en;
+
+	bool is_readwrite;
 } HAL_SSI_ADAPTOR, *PHAL_SSI_ADAPTOR;
 
 HAL_SSI_ADAPTOR ssi_adapter_g[2];
@@ -269,7 +271,7 @@ static u32 ssi_dma_tx_irq(void *Data)
 	GDMA_Cmd(GDMA_InitStruct->GDMA_Index, GDMA_InitStruct->GDMA_ChNum, DISABLE);
 
 	/*  Call user TX complete callback */
-	if (NULL != ssi_adapter->TxCompCallback) {
+	if (NULL != ssi_adapter->TxCompCallback && ssi_adapter->is_readwrite) {
 		ssi_adapter->TxCompCallback(ssi_adapter->TxCompCbPara);
 	}
 
@@ -1023,6 +1025,7 @@ int32_t spi_master_read_stream_dma(spi_t *obj, char *rx_buffer, uint32_t length)
 #ifdef USE_DMA_WRITE_MASTER_READ
 	// TX DMA is on already, so use DMA to TX data
 	// Make the GDMA to use the rx_buffer too
+	ssi_adapter->is_readwrite = 0;
 
 	ret = ssi_dma_send(ssi_adapter, (u8 *) rx_buffer, length);
 	if (ret != _TRUE) {
@@ -1097,6 +1100,7 @@ int32_t spi_master_write_read_stream_dma(spi_t *obj, char *tx_buffer,
 	}
 
 	obj->state |= SPI_STATE_TX_BUSY;
+	ssi_adapter->is_readwrite = 1;
 	ret = ssi_dma_send(ssi_adapter, (u8 *) tx_buffer, length);
 	if (ret != _TRUE) {
 		obj->state &= ~SPI_STATE_TX_BUSY;
diff --git a/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/wdt_api.c b/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/wdt_api.c
index f5f82c7a9b..53436ef9d0 100755
--- a/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/wdt_api.c
+++ b/os/board/rtl8730e/src/component/mbed/targets/hal/rtl8730e/wdt_api.c
@@ -144,8 +144,8 @@ void watchdog_refresh(void)
 void watchdog_irq_init(wdt_irq_handler handler, uint32_t id)
 {
 	WDG_ClearINT(WDGDev, WDG_BIT_EIC);
-	InterruptRegister((IRQ_FUN)handler, WdgIrqNum, (u32)id, 3);
-	InterruptEn(WdgIrqNum, 3);
+	InterruptRegister((IRQ_FUN)handler, WdgIrqNum, (u32)id, INT_PRI_HIGH);
+	InterruptEn(WdgIrqNum, INT_PRI_HIGH);
 	WDG_INTConfig(WDGDev, WDG_BIT_EIE, ENABLE);
 }
 /**
diff --git a/os/board/rtl8730e/src/component/soc/amebad2/fwlib/ram_hp/ameba_sport.c b/os/board/rtl8730e/src/component/soc/amebad2/fwlib/ram_hp/ameba_sport.c
index 60a8292cda..71fd4fd058 100755
--- a/os/board/rtl8730e/src/component/soc/amebad2/fwlib/ram_hp/ameba_sport.c
+++ b/os/board/rtl8730e/src/component/soc/amebad2/fwlib/ram_hp/ameba_sport.c
@@ -1100,7 +1100,7 @@ BOOL AUDIO_SP_TXGDMA_Init(
 	assert_param(GDMA_InitStruct != NULL);
 	DCache_CleanInvalidate((u32)pTXData, Length);
 	/*obtain a DMA channel and register DMA interrupt handler*/
-	GdmaChnl = GDMA_ChnlAlloc(0, CallbackFunc, (u32)CallbackData, INT_PRI_MIDDLE);
+	GdmaChnl = GDMA_ChnlAlloc(0, CallbackFunc, (u32)CallbackData, INT_PRI_HIGH);
 	if (GdmaChnl == 0xFF) {
 		// No Available DMA channel
 		return _FALSE;
@@ -1312,7 +1312,7 @@ BOOL AUDIO_SP_LLPTXGDMA_Init(
 	u32 pTxData = Lli[0].LliEle.Sarx;
 
 	/*obtain a DMA channel and register DMA interrupt handler*/
-	GdmaChnl = GDMA_ChnlAlloc(0, CallbackFunc, (u32)CallbackData, INT_PRI_MIDDLE);
+	GdmaChnl = GDMA_ChnlAlloc(0, CallbackFunc, (u32)CallbackData, INT_PRI_HIGH);
 	if (GdmaChnl == 0xFF) {
 		// No Available DMA channel
 		return _FALSE;
diff --git a/os/board/rtl8730e/src/component/soc/amebad2/fwlib/rom_common/ameba_tim_rom.c b/os/board/rtl8730e/src/component/soc/amebad2/fwlib/rom_common/ameba_tim_rom.c
index 5b5b16ef90..43629a1fcc 100755
--- a/os/board/rtl8730e/src/component/soc/amebad2/fwlib/rom_common/ameba_tim_rom.c
+++ b/os/board/rtl8730e/src/component/soc/amebad2/fwlib/rom_common/ameba_tim_rom.c
@@ -123,8 +123,8 @@ void RTIM_TimeBaseInit(RTIM_TypeDef *TIM, RTIM_TimeBaseInitTypeDef *TIM_InitStru
 
 	/* Initial TimerIRQHandle */
 	if (UserCB) {
-		InterruptRegister(UserCB, IrqNum, UserCBData, 3);
-		InterruptEn(IrqNum, 3);
+		InterruptRegister(UserCB, IrqNum, UserCBData, INT_PRI_HIGH);
+		InterruptEn(IrqNum, INT_PRI_HIGH);
 	}
 
 	/* Generate an update event */
diff --git a/os/board/rtl8730e/src/rtl8730e_mipi_lcdc.c b/os/board/rtl8730e/src/rtl8730e_mipi_lcdc.c
index ba43aaf01a..d68c26341f 100644
--- a/os/board/rtl8730e/src/rtl8730e_mipi_lcdc.c
+++ b/os/board/rtl8730e/src/rtl8730e_mipi_lcdc.c
@@ -89,7 +89,7 @@ static u8 lcdc_nextframe = 0;
 struct irq lcdc_irq_info = {
 	.num = LCDC_IRQ,
 	.data = (u32) LCDC,
-	.priority = INT_PRI_MIDDLE,
+	.priority = INT_PRI_HIGH,
 };
 
 extern struct irq mipi_irq_info;