diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 5a19c7b..d0009ca 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2726,9 +2726,9 @@
 								- ((648c5298-fb84-4e9c-b816-7df1a7ad9a66)) #flashcard
 								  collapsed:: true
 									- ((648c52d9-ea03-4835-8080-52ba5e6c3122))
-							- Expectation of compound functions:
-							  collapsed:: true
+							- Expectation of compound **functions**: (Expectation of Functions of a Random Variable)
 								- ((648c5381-49cd-4701-ba48-31c0e21474a7))
+							-
 			- LATER 学积分
 			  :LOGBOOK:
 			  CLOCK: [2023-06-03 Sat 17:05:07]--[2023-06-03 Sat 17:05:08] =>  00:00:01