diff --git a/lib/file_watch.py b/lib/file_watch.py
index c55be77..4fc7ba6 100644
--- a/lib/file_watch.py
+++ b/lib/file_watch.py
@@ -5,13 +5,13 @@ from watchdog.events import FileSystemEventHandler
 import threading
 
 import pos_update_bill
-import pos_update_gui  # 추가
+import pos_update_daily_product
 
 DATA_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), '../data'))
 
 FILE_EXTENSIONS = ('.xls', '.xlsx')
 BILL_PREFIX = "영수증별매출상세현황"
-GUI_PREFIX = "일자별 (상품별)"
+DAILY_PRODUCT_PREFIX = "일자별 (상품별)"
 
 class NewFileHandler(FileSystemEventHandler):
     def __init__(self):
@@ -28,7 +28,7 @@ class NewFileHandler(FileSystemEventHandler):
             return
 
         # 처리 대상 여부 확인
-        if filename.startswith(BILL_PREFIX) or filename.startswith(GUI_PREFIX):
+        if filename.startswith(BILL_PREFIX) or filename.startswith(DAILY_PRODUCT_PREFIX):
             print(f"[WATCHER] 신규 파일 감지: {filename}")
             threading.Thread(target=self.process_file, args=(filepath, filename), daemon=True).start()
 
@@ -45,8 +45,8 @@ class NewFileHandler(FileSystemEventHandler):
             print(f"[WATCHER] 파일 처리 시작: {filename}")
             if filename.startswith(BILL_PREFIX):
                 pos_update_bill.main()
-            elif filename.startswith(GUI_PREFIX):
-                pos_update_gui.main()
+            elif filename.startswith(DAILY_PRODUCT_PREFIX):
+                pos_update_daily_product.main()
             else:
                 print(f"[WATCHER] 처리 대상이 아님: {filename}")
                 return
diff --git a/lib/pos_update_gui.py b/lib/pos_update_daily_product.py
similarity index 100%
rename from lib/pos_update_gui.py
rename to lib/pos_update_daily_product.py