diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/Makefile b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/Makefile
index 79a64c1ea..62e1a8580 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 osal port
+SRC_DIR := class core mem osal port
 
 
 include $(KERNEL_ROOT)/compiler.mk
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/Makefile b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/Makefile
new file mode 100644
index 000000000..2e22ab13e
--- /dev/null
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/Makefile
@@ -0,0 +1,11 @@
+include $(KERNEL_ROOT)/services/drivers/usb/components/usb.mk
+
+objs = usb_mem.o
+
+all: ${objs} 
+	@echo "generate $^"
+	@mv $^ $(KERNEL_ROOT)/services/drivers/usb/components
+
+%.o: %.c
+	@echo "cc $^"
+	@${cc} ${cflags} ${c_useropts} ${INC_DIR} -o $@ -c $^
\ No newline at end of file
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.c
new file mode 100644
index 000000000..e6704f871
--- /dev/null
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.c
@@ -0,0 +1,2 @@
+#include "usb_mem.h"
+