diff --git a/CMakeLists.txt b/CMakeLists.txt
index cba68f9..a13eb65 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@ find_package(bouffalo_sdk REQUIRED HINTS $ENV{BL_SDK_BASE})
 
 sdk_add_include_directories(.)
 
-target_sources(app PRIVATE cdc_acm_template.c)
+target_sources(app PRIVATE cdc_acm_usb_interface.c)
 sdk_set_main_file(main.c)
 
 project(usbd_cdc_acm)
diff --git a/cdc_acm_template.c b/cdc_acm_usb_interface.c
similarity index 100%
rename from cdc_acm_template.c
rename to cdc_acm_usb_interface.c