diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index e7bc46f..2b445e6 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2709,7 +2709,7 @@
 						- 换元的示例
 							- ((648c2de1-d9a7-4760-bb4f-beec4b41102c))
 							- ((648c488f-85fa-4203-8092-07176b38fce9))
-						- 公式法
+						- 公式法 #flashcard
 							- ((648c48ac-76be-4848-af0d-1532467c8d68))
 			- LATER 学积分
 			  :LOGBOOK: