diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/usb_hc_xhci.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/usb_hc_xhci.c
index 36b5f368c..a85cac217 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/usb_hc_xhci.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/usb_hc_xhci.c
@@ -852,6 +852,14 @@ failed:
 }
 
 
+int usbh_get_xhci_devaddr(usbh_pipe_t *pipe)
+{
+    struct xhci_endpoint *ppipe = (struct xhci_endpoint *)pipe;
+    USB_ASSERT(ppipe && (ppipe->slot));
+    return ppipe->slot->id;
+}
+
+
 int xhci_usbh_pipe_free(usbh_pipe_t pipe){
     return 0;
 }