diff --git a/Src/CanSerialPortFrame.c b/Src/CanSerialPortFrame.c
index ab7f609..4d60a6f 100644
--- a/Src/CanSerialPortFrame.c
+++ b/Src/CanSerialPortFrame.c
@@ -370,7 +370,7 @@ void vCanSerialPortFrameDMAInit(
 
         DMA_InitChannelInterrupt(DMA_INSTANCE_0, (DMA_ChannelType) RX_DMA_CHANNEL, &interruptCfg);
 
-        NVIC_SetPriorityGrouping(NVIC_PRIORITY_GROUP_4);
+        //NVIC_SetPriorityGrouping(NVIC_PRIORITY_GROUP_4);
 
         NVIC_EnableIRQ(IRQ_DMA);
         NVIC_SetPriority(DMA_Error_IRQn, IRQ_DMA_PRIORITY);