try hello message

2025-09-23 15:10:57 +08:00
parent 271672c904
commit 6aac420062
9 changed files with 1805 additions and 129418 deletions
--- a/Html/backboardManager.py
+++ b/Html/backboardManager.py
@@ -73,7 +73,7 @@ class BackBoardManager:
        self.backboards[user_uuid] = Backboard(user_uuid,username, course_id, lesson_id, root_path)

    def get_backboard(self, user_uuid) -> Backboard:
-        return self.backboards[user_uuid]
+        return self.backboards.get(user_uuid, None)