diff --git a/Project/Src/MyApp/irq_vector.c b/Project/Src/MyApp/irq_vector.c
index 38d3e1a..c760e0f 100644
--- a/Project/Src/MyApp/irq_vector.c
+++ b/Project/Src/MyApp/irq_vector.c
@@ -18,10 +18,10 @@ void irq_vector_init(void)
 	{
 		//向量表必须0x200字节对齐，这里申请大于0x200字节的内存，然后所申请的内存一定有0x200对齐的部分
 		g_base=mymalloc((int)size+0x200);
-		g_irq_vector=(void **)(((int)g_base+0x200)&0xfffffe00);
+		g_irq_vector=(void **)(((int)g_base+0x1ff)&0xfffffe00);
 		mymemcpy(g_irq_vector,(void *)&isr_vector_start,size);
 		rt_base_t level=rt_hw_interrupt_disable();
-		NVIC_SetVectorTable(NVIC_VectTab_RAM,(u32)g_irq_vector-NVIC_VectTab_RAM);		
+		NVIC_SetVectorTable(NVIC_VectTab_RAM,(u32)g_irq_vector-NVIC_VectTab_RAM);
 		rt_hw_interrupt_enable(level);
 	}
 }
diff --git a/Project/Src/rt-thread/board.c b/Project/Src/rt-thread/board.c
index f7a6192..3ace741 100644
--- a/Project/Src/rt-thread/board.c
+++ b/Project/Src/rt-thread/board.c
@@ -124,12 +124,11 @@ void rt_hw_board_init()
 	sFLASH_Init();
 	mymem_init();
 	rt_system_heap_init(rt_heap_begin_get(),rt_heap_end_get());
-	// irq_vector_init();
+	irq_vector_init();
 	mpu_init();
 	Touch_Init();
 	USART3_Init();
 	RANDOM_Init();
-	// USBD_InitAsVcp ();
 	g_usart = libc_find_dev("usart");
 	g_usart->open();
 }