diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 7780b6d..6907b86 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -1101,11 +1101,11 @@
 						- Horizontal
 						- Vertical
 						- Mixed
-					- different types of transparency
+					- different types of transparency #flashcard
 						- Distribution Transparency: The database feels as a single, logical entity
 						- Transaction Transparency: Ensures that all distributed transactions maintain distributed database’s integrity and consistency.
 						- Performance Transparency: must perform as if it were a centralized DBMS.
-					- advantages and disadvantages of distributed databases
+					- LATER advantages and disadvantages of distributed databases
 				- DONE XML
 					- LATER XML definition and basic concepts
 						- eXtensible Markup Language