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 6a92876be..6f803b3a0 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
@@ -2650,7 +2650,8 @@ static void xhci_port_status ( struct xhci_host *xhci,
 	USB_ASSERT ( ( trb->port > 0 ) && ( trb->port <= xhci->ports ) );
 
 	/* Record disconnections, changes flag will be cleared later */
-	portsc = readl ( xhci->op + XHCI_OP_PORTSC ( trb->port ) );
+//    portsc = readl ( xhci->op + XHCI_OP_PORTSC ( trb->port ) );
+    portsc = readl ( xhci->op_addr + XHCI_OP_PORTSC ( trb->port ) );
 	xhci_dump_port_status(trb->port, portsc);
 
 	if (portsc & XHCI_PORTSC_CSC) {