diff --git a/bspMCU/My_print.c b/bspMCU/My_print.c
index 0aedec5..3b1d5d2 100644
--- a/bspMCU/My_print.c
+++ b/bspMCU/My_print.c
@@ -32,10 +32,10 @@ TComCtrl *g_ptUartCtrl;
 
 int USART_Send(char *_pBuffer, uint32_t _iSize)
 {
-	HAL_GPIO_WritePin(GPIOD, GPIO_PIN_10,GPIO_PIN_SET);
+	HAL_GPIO_WritePin(RS485_2_DIR_GPIO_Port, RS485_2_DIR_Pin,GPIO_PIN_SET);
     TUartUserData *ptUartUserData = (TUartUserData *)g_ptUartCtrl->m_pUserData;
     int iRet = HAL_UART_Transmit(ptUartUserData->m_uart, (uint8_t *)_pBuffer, _iSize, 100);
-    HAL_GPIO_WritePin(GPIOD, GPIO_PIN_10,GPIO_PIN_RESET);
+    HAL_GPIO_WritePin(RS485_2_DIR_GPIO_Port, RS485_2_DIR_Pin,GPIO_PIN_RESET);
     return iRet;
 }
 
@@ -150,7 +150,7 @@ void Dev03decode(const char *_pBuffer, uint32_t _iSize)
 WEAK void Myprint_Init(void)
 {
 #ifdef PRINT_ID
-    TUartUserData *ptUartUserData = UART_userdata_init(PRINT_ID, 115200, 4096);    
+    TUartUserData *ptUartUserData = UART_userdata_init(PRINT_ID, -1, 4096);
     g_ptUartCtrl = rd_ComCreate(NULL, NULL, USART_Send, ptUartUserData->m_buf_size, ptUartUserData);
     UART_IT_init(g_ptUartCtrl);
 #else