diff --git a/PostgreSQL/prism/prism.sql b/PostgreSQL/prism/prism.sql
index ec289c5..ccb9d1d 100644
--- a/PostgreSQL/prism/prism.sql
+++ b/PostgreSQL/prism/prism.sql
@@ -1,4 +1,4 @@
--- 获取最旧于最新的数据
+-- 获取最旧与最新的数据
 -- 2026-01-27 19:27:12.000000 +00:00
 select to_timestamp(min(timestamp)) as min, to_timestamp(max(timestamp)) as max
 from activities;