diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/Makefile b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/Makefile
index 1f8bdb2e2..c8727a088 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/Makefile
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/Makefile
@@ -11,7 +11,7 @@
 # libipc = $(KERNEL_ROOT)/services/app/libipc.o
 # libsem = $(KERNEL_ROOT)/services/app/libsemaphore.o
 
-SRC_DIR := class core mem osal port dev
+SRC_DIR := class core mem osal port dev usb_phy
 
 
 include $(KERNEL_ROOT)/compiler.mk
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk
index b6f00e2a2..f2dc2c015 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk
@@ -45,6 +45,7 @@ INC_DIR = 	-I$(KERNEL_ROOT)/services/drivers/usb/ \
 		-I$(KERNEL_ROOT)/services/drivers/usb/components/port \
 		-I$(KERNEL_ROOT)/services/drivers/usb/components/port/dwc3 \
 		-I$(KERNEL_ROOT)/services/drivers/usb/components/port/xhci \
+		-I$(KERNEL_ROOT)/services/drivers/usb/components/usb_phy \
 		-I$(KERNEL_ROOT)/services/drivers/usb/usb_service \
 		-I$(KERNEL_ROOT)/services//semaphore \
 		-I$(KERNEL_ROOT)/services/lib/ipc \
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb_phy/Makefile b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb_phy/Makefile
new file mode 100644
index 000000000..e4fcf450d
--- /dev/null
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb_phy/Makefile
@@ -0,0 +1,11 @@
+include $(KERNEL_ROOT)/services/drivers/usb/components/usb.mk
+
+objs += usb_phy.o
+
+all: ${objs} 
+	@echo "generate $^"
+	@mv $^ $(KERNEL_ROOT)/services/drivers/usb/components
+
+%.o: %.c
+	@echo "cc $^"
+	@${cc} ${cflags} ${c_useropts} ${INC_DIR} -o $@ -c $^
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb_phy/usb_phy.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb_phy/usb_phy.c
new file mode 100644
index 000000000..d8cd8b904
--- /dev/null
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb_phy/usb_phy.c
@@ -0,0 +1 @@
+#include "usb_phy.h"
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb_phy/usb_phy.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb_phy/usb_phy.h
new file mode 100644
index 000000000..2d5be425a
--- /dev/null
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb_phy/usb_phy.h
@@ -0,0 +1,8 @@
+#ifndef USB_PHY_H_
+#define USB_PHY_H_
+
+
+
+
+
+#endif