diff --git a/source/src/bsp.c b/source/src/bsp.c
index f41ade4..2175306 100644
--- a/source/src/bsp.c
+++ b/source/src/bsp.c
@@ -703,21 +703,21 @@ void PrintfMess(void)
 }
 void DBGUartSendByte(uint8_t sData)
 {
-#if USE_BOOTLOADER
-	LPUart_SendData(M0P_LPUART0, sData); 
-#else
-	Uart_SendDataPoll(M0P_UART0, sData);
-#endif
+	if(gDebugChannel == DBG_CH_RS485_1) {
+		LPUart_SendData(M0P_LPUART0, sData);
+	} else {
+		Uart_SendDataPoll(M0P_UART0, sData);
+	}
 }
 void DBGUartSend(uint8_t *sData, int sLen)
 {
-#if USE_BOOTLOADER
-	LPUart0SendArray(sData, sLen);
-#else
-	for(int i = 0; i < sLen; i++) {
-		Uart_SendDataPoll(M0P_UART0, sData[i]); 
+	if(gDebugChannel == DBG_CH_RS485_1) {
+		LPUart0SendArray(sData, sLen);
+	} else {
+		for(int i = 0; i < sLen; i++) {
+			Uart_SendDataPoll(M0P_UART0, sData[i]);
+		}
 	}
-#endif
 }
 void LPUart0SendArray(uint8_t *sData, uint8_t sLen)
 {	
@@ -805,7 +805,7 @@ void Uart0_IRQHandler(void)
 	if(Uart_GetStatus(M0P_UART0, UartRC)) {   				///接收数据
 		Uart_ClrStatus(M0P_UART0, UartRC);   								///<清接收中断请求
 		uint8_t u8RxData = Uart_ReceiveData(M0P_UART0);			///读取数据
-		//DebugUartIRQ(u8RxData);
+		DebugUartIRQ(u8RxData);
 	}
 }