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 911782a2f..41aa8200d 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
@@ -38,7 +38,7 @@ Modification: replant and redefine some xhci data structure, so that the cherryU
 
 
 /*
- * Copyright聽: (C)聽2022聽Phytium聽Information聽Technology,聽Inc.
+ * Copyright : (C) 2022 Phytium Information Technology, Inc.
  * All Rights Reserved.
  *
  * This program is OPEN SOURCE software: you can redistribute it and/or modify it
@@ -53,20 +53,34 @@ Modification: replant and redefine some xhci data structure, so that the cherryU
  * FilePath: xhci.c
  * Date: 2022-07-19 09:26:25
  * LastEditTime: 2022-07-19 09:26:25
- * Description: 聽This file is for xhci functions implmentation.
+ * Description:  This file is for xhci functions implmentation.
  *
- * Modify聽History:
- *  Ver聽聽聽Who聽聽聽聽聽聽聽聽Date聽聽聽聽聽聽聽聽聽Changes
- * -----聽------聽聽聽聽聽--------聽聽聽聽--------------------------------------
+ * Modify History:
+ *  Ver   Who        Date         Changes
+ * ----- ------     --------    --------------------------------------
  * 1.0   zhugengyu  2022/9/19   init commit
  * 2.0   zhugengyu  2023/3/29   support usb3.0 device attached at roothub
  */
 
+ /*************************************************
+File name: xhci.c
+Description: adopt cherry USB to XiZi AIOT.
+Others: CherryUSB third-party/cherryusb/port/xhci/xhci.c for references
+                https://gitee.com/phytium_embedded/phytium-free-rtos-sdk/blob/master/third-party/cherryusb/port/xhci/xhci.c
+
+History: 
+1. Date: 2024-06-28
+Author: AIIT XUOS Lab
+Modification: Modify xhci_probe functions in order to adopt to XiZi AIOT.
+
+*************************************************/
+
 #include "usbh_core.h"
 #include "usbh_hub.h"
 
 #include "xhci_reg.h"
 #include "xhci.h"
+#include "usb_hc_xhci.h"
 
 
 /** @file
@@ -171,8 +185,20 @@ static void xhci_init ( struct xhci_host *xhci, void *regs ) {
 	size_t rtsoff;
 	size_t dboff;
 
+	int id;
+	uint64_t cap_vir_addr;
+
 	/* Locate capability, operational, runtime, and doorbell registers */
 	xhci->cap = regs;
+
+	id = usb_hc_get_register_id(regs);
+
+	cap_vir_addr = usb_hc_get_register_vir_base(id);
+
+	if(!mmap(cap_vir_addr, regs, USB3_ADDR_OFFSET_UPPER_BOUND, true)){
+		
+	}
+
 	caplength = readb ( xhci->cap + XHCI_CAP_CAPLENGTH );
 	rtsoff = readl ( xhci->cap + XHCI_CAP_RTSOFF );
 	dboff = readl ( xhci->cap + XHCI_CAP_DBOFF );