diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 9d1c8d7..32deb40 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2939,6 +2939,7 @@
 						- Discrete case
 							- Definition:
 								- ((648d6d63-dc15-4e2d-884c-3a8c59f092e8))
+							-
 			- LATER 学积分
 			  :LOGBOOK:
 			  CLOCK: [2023-06-03 Sat 17:05:07]--[2023-06-03 Sat 17:05:08] =>  00:00:01