diff --git a/src/uart.c b/src/uart.c
--- a/src/uart.c
+++ b/src/uart.c
@@ -90,8 +90,8 @@ void uart_deinit(void)
 {
     if(uart_initted == 1)
     {
-        HAL_DMA_DeInit(&hdma_usart1_rx);
-        HAL_DMA_DeInit(&hdma_usart1_tx);
+        //HAL_DMA_DeInit(&hdma_usart1_rx);
+        //HAL_DMA_DeInit(&hdma_usart1_tx);
         HAL_UART_DeInit(&huart1);
         uart_initted = 0;
     }