diff --git a/Html/apps/sockets/namespaces.py b/Html/apps/sockets/namespaces.py
index 2224ea7..58998ac 100644
--- a/Html/apps/sockets/namespaces.py
+++ b/Html/apps/sockets/namespaces.py
@@ -7,7 +7,8 @@ from flask_socketio import Namespace, join_room, leave_room, emit
 from ..function_tools import judge
 from ..function_tools import next_chapter
 from ..services.backboard_service import realtime_response
-from ..services.course_service import load_full_markdown_file, save_learning_progress
+from ..services.markdown_service import  load_full_markdown_file
+from ..services.course_service import save_learning_progress
 from ..extension_ase.ase_client import HSAEngineClient
 from ..services.user_service import get_or_load_current_user