diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
index 5702a0f6d..2ebd36609 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
@@ -635,7 +635,12 @@ struct dwc3 {
 
     struct usb_gadget	gadget;
     struct usb_gadget_driver *gadget_driver;
+/* 
+ * The regs stores the value of the DWC3 start physical address 
+ * Conversely, the regs_vir stores the mapped value of the regs, which can be used in the xHCI driver.
+ */
     uintptr_t           regs;
+    uintptr_t           regs_vir;
     uint32_t			regs_size;
     enum usb_dr_mode	dr_mode;
     enum usb_phy_interface	hsphy_mode;