diff --git a/components/drivers/Kconfig b/components/drivers/Kconfig
index 4ed6f34d6d30326e201c9fe35cf465d42cd8fcbc..f27c70c4815cfe8d8fe9ef7deac56b92c102dbeb 100755
--- a/components/drivers/Kconfig
+++ b/components/drivers/Kconfig
@@ -283,6 +283,7 @@ menu "Using USB"
                         bool "Enable to use device as CDC device"
                         default n
                     config RT_USB_DEVICE_NONE
+                        bool
                         default y
                     config RT_USB_DEVICE_MSTORAGE
                         bool "Enable to use device as Mass Storage device"