diff --git a/components/drivers/can/can.c b/components/drivers/can/can.c
index eee78da..a3d81f6 100644
--- a/components/drivers/can/can.c
+++ b/components/drivers/can/can.c
@@ -65,7 +65,7 @@ rt_inline int _can_int_rx(struct rt_can_device *can, struct rt_can_msg *data, in
         /* disable interrupt */
         level = rt_hw_interrupt_disable();
 #ifdef RT_CAN_USING_HDR
-        hdr = data->hdr;
+        hdr = data->hdr_index;
 
         if (hdr >= 0 && can->hdr && hdr < can->config.maxhdr && !rt_list_isempty(&can->hdr[hdr].list))
         {
@@ -581,7 +581,7 @@ static rt_err_t rt_can_control(struct rt_device *dev,
         {
             while (count)
             {
-                if (pitem->hdr >= can->config.maxhdr || pitem->hdr < 0)
+                if (pitem->hdr_bank >= can->config.maxhdr || pitem->hdr_bank < 0)
                 {
                     count--;
                     pitem++;
@@ -589,15 +589,15 @@ static rt_err_t rt_can_control(struct rt_device *dev,
                 }
 
                 level = rt_hw_interrupt_disable();
-                if (!can->hdr[pitem->hdr].connected)
+                if (!can->hdr[pitem->hdr_bank].connected)
                 {
                     rt_hw_interrupt_enable(level);
-                    rt_memcpy(&can->hdr[pitem->hdr].filter, pitem,
+                    rt_memcpy(&can->hdr[pitem->hdr_bank].filter, pitem,
                               sizeof(struct rt_can_filter_item));
                     level = rt_hw_interrupt_disable();
-                    can->hdr[pitem->hdr].connected = 1;
-                    can->hdr[pitem->hdr].msgs = 0;
-                    rt_list_init(&can->hdr[pitem->hdr].list);
+                    can->hdr[pitem->hdr_bank].connected = 1;
+                    can->hdr[pitem->hdr_bank].msgs = 0;
+                    rt_list_init(&can->hdr[pitem->hdr_bank].list);
                 }
                 rt_hw_interrupt_enable(level);
 
@@ -609,7 +609,7 @@ static rt_err_t rt_can_control(struct rt_device *dev,
         {
             while (count)
             {
-                if (pitem->hdr >= can->config.maxhdr || pitem->hdr < 0)
+                if (pitem->hdr_bank >= can->config.maxhdr || pitem->hdr_bank < 0)
                 {
                     count--;
                     pitem++;
@@ -617,16 +617,16 @@ static rt_err_t rt_can_control(struct rt_device *dev,
                 }
                 level = rt_hw_interrupt_disable();
 
-                if (can->hdr[pitem->hdr].connected)
+                if (can->hdr[pitem->hdr_bank].connected)
                 {
-                    can->hdr[pitem->hdr].connected = 0;
-                    can->hdr[pitem->hdr].msgs = 0;
-                    if (!rt_list_isempty(&can->hdr[pitem->hdr].list))
+                    can->hdr[pitem->hdr_bank].connected = 0;
+                    can->hdr[pitem->hdr_bank].msgs = 0;
+                    if (!rt_list_isempty(&can->hdr[pitem->hdr_bank].list))
                     {
-                        rt_list_remove(can->hdr[pitem->hdr].list.next);
+                        rt_list_remove(can->hdr[pitem->hdr_bank].list.next);
                     }
                     rt_hw_interrupt_enable(level);
-                    rt_memset(&can->hdr[pitem->hdr].filter, 0,
+                    rt_memset(&can->hdr[pitem->hdr_bank].filter, 0,
                               sizeof(struct rt_can_filter_item));
                 }
                 else
@@ -829,7 +829,7 @@ void rt_hw_can_isr(struct rt_can_device *can, int event)
             level = rt_hw_interrupt_disable();
             rt_list_insert_before(&rx_fifo->uselist, &listmsg->list);
 #ifdef RT_CAN_USING_HDR
-            hdr = tmpmsg.hdr;
+            hdr = tmpmsg.hdr_index;
             if (can->hdr != RT_NULL)
             {
                 RT_ASSERT(hdr < can->config.maxhdr && hdr >= 0);
diff --git a/components/drivers/include/drivers/can.h b/components/drivers/include/drivers/can.h
index 553e145..1834fbe 100644
--- a/components/drivers/include/drivers/can.h
+++ b/components/drivers/include/drivers/can.h
@@ -70,7 +70,7 @@ struct rt_can_filter_item
     rt_uint32_t rtr : 1;
     rt_uint32_t mode : 1;
     rt_uint32_t mask;
-    rt_int32_t hdr;
+    rt_int32_t hdr_bank;
 #ifdef RT_CAN_USING_HDR
     rt_err_t (*ind)(rt_device_t dev, void *args , rt_int32_t hdr, rt_size_t size);
     void *args;
@@ -277,7 +277,7 @@ struct rt_can_msg
     rt_uint32_t rsv : 1;
     rt_uint32_t len : 8;
     rt_uint32_t priv : 8;
-    rt_int32_t hdr : 8;
+    rt_int32_t hdr_index : 8;
 #ifdef RT_CAN_USING_CANFD
     rt_uint32_t fd_frame : 1;
     rt_uint32_t reserved : 7;