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 e23726388..563fc6692 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
@@ -552,4 +552,36 @@ uint16_t xhci_usbh_get_frame_number(void){
 }
 
 
+int xhci_usbh_roothub_control(struct usbh_bus *usb, struct usb_setup_packet *setup, uint8_t *buf){
+    return 0;
+}
 
+
+int xhci_usbh_ep_pipe_reconfigure(struct usbh_bus *usb, usbh_pipe_t pipe, uint8_t dev_addr, uint8_t ep_mps, uint8_t mult){
+    return 0;
+}
+
+
+int xhci_usbh_pipe_alloc(usbh_pipe_t *pipe, const struct usbh_endpoint_cfg *ep_cfg){
+    return 0;
+}
+
+
+int xhci_usbh_pipe_free(usbh_pipe_t pipe){
+    return 0;
+}
+
+
+int xhci_usbh_submit_urb(struct usbh_urb *urb){
+    return 0;
+}
+
+
+int xhci_usbh_kill_urb(struct usbh_urb *urb){
+    return 0;
+}
+
+
+void XHCI_USBH_IRQHandler(void *param){
+
+}
\ No newline at end of file