diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/common/usb_hc.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/common/usb_hc.h
index 26070dd49..4ab24939f 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/common/usb_hc.h
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/common/usb_hc.h
@@ -3,6 +3,16 @@
  *
  * SPDX-License-Identifier: Apache-2.0
  */
+/*************************************************
+File name: usb_hc.h
+Description: adopt cherry USB to XiZi AIOT.
+Others: take CherryUSB v0.1.2/common/usb_hc.h for references
+                https://gitee.com/phytium_embedded/phytium-free-rtos-sdk/blob/master/third-party/cherryusb/common/usb_hc.h
+History: 
+1. Date: 2024-06-19
+Author: AIIT XUOS Lab
+Modification: New field usb_hc_type in data structure usbh_urb.
+*************************************************/
 
 #ifndef USB_HC_H_
 #define USB_HC_H_
@@ -59,6 +69,7 @@ struct usbh_urb {
     uint32_t actual_length;
     uint32_t timeout;
     int errorcode;
+    uint8_t usb_hc_type;
     uint32_t num_of_iso_packets;
     uint32_t start_frame;
     usbh_complete_callback_t complete;
@@ -142,7 +153,4 @@ int usbh_kill_urb(struct usbh_urb *urb);
 }
 #endif
 
-
-
-
-#endif
+#endif /* USB_HC_H_ */