diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/Makefile b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/Makefile
index 62e1a8580..1f8bdb2e2 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
+SRC_DIR := class core mem osal port dev
 
 
 include $(KERNEL_ROOT)/compiler.mk