diff --git a/db2/scripts/create_sqlite3.sql b/db2/scripts/create_sqlite3.sql
index 4964c5c..6193a0b 100644
--- a/db2/scripts/create_sqlite3.sql
+++ b/db2/scripts/create_sqlite3.sql
@@ -16,12 +16,16 @@ CREATE TABLE IF NOT EXISTS Notes (
     owner VARCHAR(128) DEFAULT 'Unknow',
     title VARCHAR(128) NOT NULL,
     content TEXT NOT NULL,
-    views INTEGER NOT NULL DEFAULT 0
+    views INTEGER NOT NULL DEFAULT 0,
+    created_at DATETIME,
+    updated_at DATETIME
 );
 
 -- 旧版增量
 -- ALTER TABLE Notes ADD COLUMN owner VARCHAR(128) DEFAULT 'Unknow';
--- ALTER TABLE Notes ADD COLUMN views INTEGER NOT NULL DEFAULT 0;  -- patch_001 观看人数列
+-- ALTER TABLE Notes ADD COLUMN views INTEGER NOT NULL DEFAULT 0;       -- patch_001 观看人数列
+-- ALTER TABLE Notes ADD COLUMN created_at DATETIME;                     -- patch_002 创建时间
+-- ALTER TABLE Notes ADD COLUMN updated_at DATETIME;                     -- patch_002 更新时间
 
 -- Notes 索引：get_notes 按 pid 查子节点、所有权校验按 owner（patch_001 并入）
 CREATE INDEX IF NOT EXISTS idx_notes_pid   ON Notes(pid);