diff --git a/examples/cherryusb/CMakeLists.txt b/examples/cherryusb/CMakeLists.txt
index d6d1da93a..da2bcb051 100644
--- a/examples/cherryusb/CMakeLists.txt
+++ b/examples/cherryusb/CMakeLists.txt
@@ -6,36 +6,36 @@ find_package(bouffalo_sdk REQUIRED HINTS $ENV{BL_SDK_BASE})
 
 sdk_add_include_directories(.)
 
-sdk_add_include_directories(CherryUSB/common)
-sdk_add_include_directories(CherryUSB/osal)
-sdk_add_include_directories(CherryUSB/core)
-sdk_add_include_directories(CherryUSB/class/cdc)
-sdk_add_include_directories(CherryUSB/class/hid)
-sdk_add_include_directories(CherryUSB/class/msc)
-sdk_add_include_directories(CherryUSB/class/audio)
-sdk_add_include_directories(CherryUSB/class/video)
-sdk_add_include_directories(CherryUSB/class/hub)
-sdk_add_include_directories(CherryUSB/class/wireless)
-sdk_add_include_directories(CherryUSB/class/vendor/net)
-sdk_add_include_directories(CherryUSB/class/vendor/serial)
+sdk_add_include_directories(cherryusb/common)
+sdk_add_include_directories(cherryusb/osal)
+sdk_add_include_directories(cherryusb/core)
+sdk_add_include_directories(cherryusb/class/cdc)
+sdk_add_include_directories(cherryusb/class/hid)
+sdk_add_include_directories(cherryusb/class/msc)
+sdk_add_include_directories(cherryusb/class/audio)
+sdk_add_include_directories(cherryusb/class/video)
+sdk_add_include_directories(cherryusb/class/hub)
+sdk_add_include_directories(cherryusb/class/wireless)
+sdk_add_include_directories(cherryusb/class/vendor/net)
+sdk_add_include_directories(cherryusb/class/vendor/serial)
 
-target_sources(app PRIVATE CherryUSB/core/usbh_core.c)
-target_sources(app PRIVATE CherryUSB/port/ehci/usb_hc_ehci.c)
-target_sources(app PRIVATE CherryUSB/port/ehci/usb_glue_bouffalo.c)
-target_sources(app PRIVATE CherryUSB/osal/usb_osal_freertos.c)
-target_sources(app PRIVATE CherryUSB/class/cdc/usbh_cdc_acm.c)
-target_sources(app PRIVATE CherryUSB/class/cdc/usbh_cdc_ecm.c)
-target_sources(app PRIVATE CherryUSB/class/cdc/usbh_cdc_ncm.c)
-target_sources(app PRIVATE CherryUSB/class/msc/usbh_msc.c)
-target_sources(app PRIVATE CherryUSB/class/hid/usbh_hid.c)
-target_sources(app PRIVATE CherryUSB/class/hub/usbh_hub.c)
-target_sources(app PRIVATE CherryUSB/class/video/usbh_video.c)
-target_sources(app PRIVATE CherryUSB/class/audio/usbh_audio.c)
-target_sources(app PRIVATE CherryUSB/class/wireless/usbh_rndis.c)
-target_sources(app PRIVATE CherryUSB/class/wireless/usbh_bluetooth.c)
-target_sources(app PRIVATE CherryUSB/class/vendor/net/usbh_asix.c)
+target_sources(app PRIVATE cherryusb/core/usbh_core.c)
+target_sources(app PRIVATE cherryusb/port/ehci/usb_hc_ehci.c)
+target_sources(app PRIVATE cherryusb/port/ehci/usb_glue_bouffalo.c)
+target_sources(app PRIVATE cherryusb/osal/usb_osal_freertos.c)
+target_sources(app PRIVATE cherryusb/class/cdc/usbh_cdc_acm.c)
+target_sources(app PRIVATE cherryusb/class/cdc/usbh_cdc_ecm.c)
+target_sources(app PRIVATE cherryusb/class/cdc/usbh_cdc_ncm.c)
+target_sources(app PRIVATE cherryusb/class/msc/usbh_msc.c)
+target_sources(app PRIVATE cherryusb/class/hid/usbh_hid.c)
+target_sources(app PRIVATE cherryusb/class/hub/usbh_hub.c)
+target_sources(app PRIVATE cherryusb/class/video/usbh_video.c)
+target_sources(app PRIVATE cherryusb/class/audio/usbh_audio.c)
+target_sources(app PRIVATE cherryusb/class/wireless/usbh_rndis.c)
+target_sources(app PRIVATE cherryusb/class/wireless/usbh_bluetooth.c)
+target_sources(app PRIVATE cherryusb/class/vendor/net/usbh_asix.c)
 
-set(BLUETOOTH_PATH CherryUSB/third_party/zephyr_bluetooth-2.7.5)
+set(BLUETOOTH_PATH cherryusb/third_party/zephyr_bluetooth-2.7.5)
 
 add_subdirectory(${BLUETOOTH_PATH}/zephyr_bluetooth)
 target_link_libraries(zephyr_bluetooth sdk_intf_lib)
diff --git a/examples/cherryusb/cherryusb b/examples/cherryusb/cherryusb
index b4c455e5e..1d38fde61 160000
--- a/examples/cherryusb/cherryusb
+++ b/examples/cherryusb/cherryusb
@@ -1 +1 @@
-Subproject commit b4c455e5e6a047f7d3bff97f8659d3ab2951d6ae
+Subproject commit 1d38fde61a9baed194533926311811865f338aec