diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 6c23442..201c006 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2917,6 +2917,7 @@
 							- ((648d5ee1-9c47-463d-adc6-b96160103975))
 					- Conditional distributions ![section 3.3.pdf](../assets/section_3.3_1686986508823_0.pdf)
 						- Discrete case
+							-
 						- Continuous case
 			- LATER 学积分
 			  :LOGBOOK: