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
index e6704f871..2128a704d 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.c
@@ -1,2 +1,4 @@
+#include <libmem.h>
 #include "usb_mem.h"
 
+
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.h
index b5118468c..7697ac59b 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.h
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.h
@@ -1,8 +1,18 @@
+/*
+ * Copyright (c) 2022, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 #ifndef USB_MEM_H_
 #define USB_MEM_H_
 
+#include <stddef.h>
 
+#define USB_MEM_ALIGNX __attribute__((aligned(CONFIG_USB_ALIGN_SIZE)))
 
+void *usb_hc_malloc(size_t size);
+void usb_hc_free();
+void *usb_hc_malloc_align(size_t align, size_t size);
 
 
 #endif
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk
index e060536cf..488c3bd49 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk
@@ -25,6 +25,7 @@ INC_DIR = 	-I$(KERNEL_ROOT)/services/drivers/usb/ \
 		-I$(KERNEL_ROOT)/services/drivers/usb/components/class/wireless \
 		-I$(KERNEL_ROOT)/services/drivers/usb/components/common \
 		-I$(KERNEL_ROOT)/services/drivers/usb/components/core \
+		-I$(KERNEL_ROOT)/services/drivers/usb/components/mem \
 		-I$(KERNEL_ROOT)/services/drivers/usb/components/osal \
 		-I$(KERNEL_ROOT)/services/drivers/usb/components/port \
 		-I$(KERNEL_ROOT)/services/drivers/usb/components/port/xhci \
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/usb_config.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/usb_config.h
index b2496eada..355a5813e 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/usb_config.h
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/usb_config.h
@@ -36,13 +36,13 @@ extern "C"
 #include <stddef.h>
 
 /* ================ USB common Configuration ================ */
-void *usb_hc_malloc(size_t size);
-void usb_hc_free();
-void *usb_hc_malloc_align(size_t align, size_t size);
+// void *usb_hc_malloc(size_t size);
+// void usb_hc_free();
+// void *usb_hc_malloc_align(size_t align, size_t size);
 
-#define usb_malloc(size)                    usb_hc_malloc(size)
-#define usb_free(ptr)                       usb_hc_free(ptr)
-#define usb_align(align, size)              usb_hc_malloc_align(align, size)  
+// #define usb_malloc(size)                    usb_hc_malloc(size)
+// #define usb_free(ptr)                       usb_hc_free(ptr)
+// #define usb_align(align, size)              usb_hc_malloc_align(align, size)  
 
 #ifndef CONFIG_USB_DBG_LEVEL
     #define CONFIG_USB_DBG_LEVEL USB_DBG_ERROR