diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.c
index e2ec728b0..1fd288525 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.c
@@ -1,3 +1,14 @@
 #include "rk3568_usb.h"
 
 
+struct dwc3 dwc3_rk3568[CONFIG_USBHOST_XHCI_NUM];
+
+
+int dwc3_generic_host_probe(uint32_t id){
+    return 0;
+}
+
+
+int dwc3_generic_probe(uint32_t id){
+    return 0;
+}
\ No newline at end of file
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.h
index 0b6b443ad..21abd4a09 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.h
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.h
@@ -3,6 +3,7 @@
 
 #include "dwc3.h"
 
-
+int dwc3_generic_host_probe(uint32_t id);
+int dwc3_generic_probe(uint32_t id);
 
 #endif