diff --git a/PostgreSQL/prism/prism.sql b/PostgreSQL/prism/prism.sql
index 371cbc6..b09bbb0 100644
--- a/PostgreSQL/prism/prism.sql
+++ b/PostgreSQL/prism/prism.sql
@@ -1,4 +1,5 @@
 -- 获取最旧于最新的数据
+-- 2026-01-27 19:27:12.000000 +00:00
 select to_timestamp(min(timestamp)) as min, to_timestamp(max(timestamp)) as max
 from activities;
 
@@ -153,7 +154,7 @@ order by count((world_id, x, y, z)) desc;
 select world_id, x, y, z, count((world_id, x, y, z))
 from activities
 where action_id = (select action_id from actions where action = 'block-break')
-  and cause_id is not null
+  and cause_id is null
   and timestamp > EXTRACT(EPOCH FROM current_timestamp(0))::bigint - 86400 * 1
 group by world_id, x, y, z
 order by count((world_id, x, y, z)) desc;