diff --git a/cwd-api/src/api/admin/visitAnalytics.ts b/cwd-api/src/api/admin/visitAnalytics.ts
index 8290f73..a1e4a80 100644
--- a/cwd-api/src/api/admin/visitAnalytics.ts
+++ b/cwd-api/src/api/admin/visitAnalytics.ts
@@ -52,7 +52,7 @@ export const getVisitOverview = async (
 		).run();
 
 		await c.env.CWD_DB.prepare(
-			'CREATE TABLE IF NOT EXISTS page_visit_daily (id INTEGER PRIMARY KEY AUTOINCREMENT, date TEXT NOT NULL, domain TEXT, count INTEGER NOT NULL DEFAULT 0, created_at TEXT NOT NULL, updated_at TEXT NOT NULL)'
+			'CREATE TABLE IF NOT EXISTS page_visit_daily (id INTEGER PRIMARY KEY AUTOINCREMENT, date TEXT NOT NULL, domain TEXT, count INTEGER NOT NULL DEFAULT 0, created_at INTEGER NOT NULL, updated_at INTEGER NOT NULL)'
 		).run();
 
 		const { results } = await c.env.CWD_DB.prepare(
diff --git a/cwd-api/src/api/public/trackVisit.ts b/cwd-api/src/api/public/trackVisit.ts
index 212407d..7da99ba 100644
--- a/cwd-api/src/api/public/trackVisit.ts
+++ b/cwd-api/src/api/public/trackVisit.ts
@@ -43,7 +43,7 @@ export const trackVisit = async (c: Context<{ Bindings: Bindings }>) => {
 		).run();
 
 		await c.env.CWD_DB.prepare(
-			'CREATE TABLE IF NOT EXISTS page_visit_daily (id INTEGER PRIMARY KEY AUTOINCREMENT, date TEXT NOT NULL, domain TEXT, count INTEGER NOT NULL DEFAULT 0, created_at TEXT NOT NULL, updated_at TEXT NOT NULL)'
+			'CREATE TABLE IF NOT EXISTS page_visit_daily (id INTEGER PRIMARY KEY AUTOINCREMENT, date TEXT NOT NULL, domain TEXT, count INTEGER NOT NULL DEFAULT 0, created_at INTEGER NOT NULL, updated_at INTEGER NOT NULL)'
 		).run();
 
 		const nowDate = new Date();
@@ -117,14 +117,14 @@ export const trackVisit = async (c: Context<{ Bindings: Bindings }>) => {
 			await c.env.CWD_DB.prepare(
 				'INSERT INTO page_visit_daily (date, domain, count, created_at, updated_at) VALUES (?, ?, ?, ?, ?)'
 			)
-				.bind(today, domain, 1, nowIso, nowIso)
+				.bind(today, domain, 1, nowTs, nowTs)
 				.run();
 		} else {
 			const newCount = (dailyRow.count || 0) + 1;
 			await c.env.CWD_DB.prepare(
 				'UPDATE page_visit_daily SET count = ?, updated_at = ? WHERE id = ?'
 			)
-				.bind(newCount, nowIso, dailyRow.id)
+				.bind(newCount, nowTs, dailyRow.id)
 				.run();
 		}
 
diff --git a/docs/api/public.md b/docs/api/public.md
index 9a70b7a..fa50c4a 100644
--- a/docs/api/public.md
+++ b/docs/api/public.md
@@ -1,4 +1,4 @@
-# 公开 API
+# 公开 API 相关
 
 无需认证即可访问的公开接口，包括评论获取、评论提交、配置获取和身份验证。