diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/xhci.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/xhci.c
index 9e91f0075..dec0faded 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/xhci.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/xhci.c
@@ -401,7 +401,8 @@ static void xhci_legacy_claim ( struct xhci_host *xhci ) {
 	 */
 	USB_LOG_DBG("XHCI %s could not claim ownership from BIOS: forcibly "
 	       "disabling SMIs\n", xhci->name );
-	writel ( 0, xhci->cap + xhci->legacy + XHCI_USBLEGSUP_CTLSTS );
+//	writel ( 0, xhci->cap + xhci->legacy + XHCI_USBLEGSUP_CTLSTS );
+	writel ( 0, xhci->cap_addr + xhci->legacy + XHCI_USBLEGSUP_CTLSTS );
 }
 
 /** Prevent the release of ownership back to BIOS */
@@ -601,10 +602,13 @@ static unsigned int xhci_port_protocol ( struct xhci_host *xhci,
 	/* Describe port protocol */
 #if XHCI_DUMP 
     {
-		name.raw = CPU_TO_LE32 ( readl ( xhci->cap + supported +
+//		name.raw = CPU_TO_LE32 ( readl ( xhci->cap + supported +
+//						 XHCI_SUPPORTED_NAME ) );
+		name.raw = CPU_TO_LE32 ( readl ( xhci->cap_addr + supported +
 						 XHCI_SUPPORTED_NAME ) );
 		name.text[4] = '\0';
-		slot = readl ( xhci->cap + supported + XHCI_SUPPORTED_SLOT );
+//		slot = readl ( xhci->cap + supported + XHCI_SUPPORTED_SLOT );
+		slot = readl ( xhci->cap_addr + supported + XHCI_SUPPORTED_SLOT );
 		type = XHCI_SUPPORTED_SLOT_TYPE ( slot );
 		USB_LOG_DBG("XHCI %s-%d %sv%04x type %d \r\n",
 			xhci->name, port, name.text, protocol, type );
@@ -1118,7 +1122,8 @@ static void xhci_event_free ( struct xhci_host *xhci ) {
 static void xhci_command_free ( struct xhci_host *xhci ) {
 
 	/* Sanity check */
-	USB_ASSERT ( ( readl ( xhci->op + XHCI_OP_CRCR ) & XHCI_CRCR_CRR ) == 0 );
+//	USB_ASSERT ( ( readl ( xhci->op + XHCI_OP_CRCR ) & XHCI_CRCR_CRR ) == 0 );
+	USB_ASSERT ( ( readl ( xhci->op_addr + XHCI_OP_CRCR ) & XHCI_CRCR_CRR ) == 0 );
 
 	/* Clear command ring control register */
 //	xhci_writeq ( xhci, 0, xhci->op + XHCI_OP_CRCR );
@@ -1647,7 +1652,8 @@ static void xhci_abort ( struct xhci_host *xhci ) {
 	usb_osal_msleep ( XHCI_COMMAND_ABORT_DELAY_MS );
 
 	/* Sanity check */
-	USB_ASSERT ( ( readl ( xhci->op + XHCI_OP_CRCR ) & XHCI_CRCR_CRR ) == 0 );
+//	USB_ASSERT ( ( readl ( xhci->op + XHCI_OP_CRCR ) & XHCI_CRCR_CRR ) == 0 );
+	USB_ASSERT ( ( readl ( xhci->op_addr + XHCI_OP_CRCR ) & XHCI_CRCR_CRR ) == 0 );
 
 	/* Consume (and ignore) any final command status */
 	int cc = xhci_event_wait(xhci, xhci->cur_cmd_pipe, xhci->cmds);
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/usb_service/usb_host.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/usb_service/usb_host.c
index 623c6b53e..14b2f8a76 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/usb_service/usb_host.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/usb_service/usb_host.c
@@ -99,7 +99,7 @@ int main(int argc, char* argv[])
             return -EINVAL;
         }
     }
-    printf("main usb3 id(%d) init.\r\n", id);
+    printf("main usb3 id=%d init.\r\n", id);
     usb_init(id);
 
     ipc_rndis_init();