diff --git a/demo/stm32/usb_device/stm32f103c8t6/Core/Inc/usb_config.h b/demo/stm32/usb_device/stm32f103c8t6/Core/Inc/usb_config.h
index 59dd164b..39c77df6 100644
--- a/demo/stm32/usb_device/stm32f103c8t6/Core/Inc/usb_config.h
+++ b/demo/stm32/usb_device/stm32f103c8t6/Core/Inc/usb_config.h
@@ -1,6 +1,17 @@
 #ifndef _USB_CONFIG_H
 #define _USB_CONFIG_H
 
+/* USB common Configuration */
+#ifndef CONFIG_USB_DBG_LEVEL
+#define CONFIG_USB_DBG_LEVEL USB_DBG_INFO
+#endif
+
+#ifndef CONFIG_USB_PRINTF
+#define CONFIG_USB_PRINTF printf
+#endif
+
+#define CONFIG_USB_PRINTF_COLOR_ENABLE
+
 /* USB DEVICE Configuration */
 /* core */
 #ifndef CONFIG_USBDEV_REQUEST_BUFFER_LEN
@@ -15,6 +26,9 @@
 #define CONFIG_USBDEV_TEST_MODE 0
 #endif
 
+/* cdc class */
+// #define CONFIG_USBDEV_CDC_ACM_UART
+
 /* msc class */
 #ifndef CONFIG_USBDEV_MSC_MANUFACTURER_STRING
 #define CONFIG_USBDEV_MSC_MANUFACTURER_STRING ""
@@ -28,6 +42,18 @@
 #define CONFIG_USBDEV_MSC_VERSION_STRING "0.01"
 #endif
 
+// #define CONFIG_USBDEV_MSC_THREAD
+
+#ifdef CONFIG_USBDEV_MSC_THREAD
+#ifndef CONFIG_USBDEV_MSC_STACKSIZE
+#define CONFIG_USBDEV_MSC_STACKSIZE 2048
+#endif
+
+#ifndef CONFIG_USBDEV_MSC_PRIO
+#define CONFIG_USBDEV_MSC_PRIO 4
+#endif
+#endif
+
 /* audio class */
 #ifndef CONFIG_USBDEV_AUDIO_VERSION
 #define CONFIG_USBDEV_AUDIO_VERSION 0x0100
diff --git a/demo/stm32/usb_device/stm32h743vbt6/Core/Inc/usb_config.h b/demo/stm32/usb_device/stm32h743vbt6/Core/Inc/usb_config.h
index 59dd164b..39c77df6 100644
--- a/demo/stm32/usb_device/stm32h743vbt6/Core/Inc/usb_config.h
+++ b/demo/stm32/usb_device/stm32h743vbt6/Core/Inc/usb_config.h
@@ -1,6 +1,17 @@
 #ifndef _USB_CONFIG_H
 #define _USB_CONFIG_H
 
+/* USB common Configuration */
+#ifndef CONFIG_USB_DBG_LEVEL
+#define CONFIG_USB_DBG_LEVEL USB_DBG_INFO
+#endif
+
+#ifndef CONFIG_USB_PRINTF
+#define CONFIG_USB_PRINTF printf
+#endif
+
+#define CONFIG_USB_PRINTF_COLOR_ENABLE
+
 /* USB DEVICE Configuration */
 /* core */
 #ifndef CONFIG_USBDEV_REQUEST_BUFFER_LEN
@@ -15,6 +26,9 @@
 #define CONFIG_USBDEV_TEST_MODE 0
 #endif
 
+/* cdc class */
+// #define CONFIG_USBDEV_CDC_ACM_UART
+
 /* msc class */
 #ifndef CONFIG_USBDEV_MSC_MANUFACTURER_STRING
 #define CONFIG_USBDEV_MSC_MANUFACTURER_STRING ""
@@ -28,6 +42,18 @@
 #define CONFIG_USBDEV_MSC_VERSION_STRING "0.01"
 #endif
 
+// #define CONFIG_USBDEV_MSC_THREAD
+
+#ifdef CONFIG_USBDEV_MSC_THREAD
+#ifndef CONFIG_USBDEV_MSC_STACKSIZE
+#define CONFIG_USBDEV_MSC_STACKSIZE 2048
+#endif
+
+#ifndef CONFIG_USBDEV_MSC_PRIO
+#define CONFIG_USBDEV_MSC_PRIO 4
+#endif
+#endif
+
 /* audio class */
 #ifndef CONFIG_USBDEV_AUDIO_VERSION
 #define CONFIG_USBDEV_AUDIO_VERSION 0x0100