diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 32021b1..e57cab7 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -1100,7 +1100,9 @@
 						- Fifth Normal Form (5NF): 5NF is the highest level of normalization and involves decomposing a table into smaller tables to _remove data redundancy and improve data integrity._
 					- Anomaly
 						- Update Anomalies
-							-
+							- Insertion anomalies
+							- Deletion anomalies
+							- Modification anomalies
 			- LATER Block 4
 				- DONE Distributed DBMS
 					- DONE client server arch #flashcard