diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index c6698ec..ae619d5 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2947,7 +2947,9 @@
 						- Continuous case
 							- $X + Y$
 								- ((648d718a-6ea6-45b9-96f7-2f89ecbf54f3))
-								- Can be written as: :-> ((648d71bc-ca55-46f9-a7d4-22a339a7f9c0))
+								- Can be written as: #flashcard
+									- ((648d71bc-ca55-46f9-a7d4-22a339a7f9c0))
+									- Also: ((648d71dd-ce78-49c5-a12c-58dea53bd4cc))
 							- $min(X,Y)$
 								-
 							- $max(X, Y)$