diff --git a/dsLightRag/static/YunXiao/physics_quiz.html b/dsLightRag/static/YunXiao/physics_quiz.html
index 6c919be2..2e77d404 100644
--- a/dsLightRag/static/YunXiao/physics_quiz.html
+++ b/dsLightRag/static/YunXiao/physics_quiz.html
@@ -110,5 +110,7 @@
+
+