diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 1a1c6ac..c282c2c 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2718,7 +2718,6 @@
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 						- 公式法 #flashcard
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 							- ((648c48ac-76be-4848-af0d-1532467c8d68))
 					- Mathematical Expectation and Variance ![section 2.3.pdf](../assets/section_2.3_1686916498071_0.pdf)
 					  collapsed:: true