diff --git a/lib/db/allData.ts b/lib/db/allData.ts
index 26840fb..ddcb804 100644
--- a/lib/db/allData.ts
+++ b/lib/db/allData.ts
@@ -3,19 +3,19 @@ import { AllDataType, BiliUserType } from "lib/db/schema.d.ts";
 import Akari from "lib/ml/akari.ts";
 
 export async function videoExistsInAllData(client: Client, aid: number) {
-	return await client.queryObject<{ exists: boolean }>(`SELECT EXISTS(SELECT 1 FROM all_data WHERE aid = $1)`, [aid])
+	return await client.queryObject<{ exists: boolean }>(`SELECT EXISTS(SELECT 1 FROM bilibili_metadata WHERE aid = $1)`, [aid])
 		.then((result) => result.rows[0].exists);
 }
 
 export async function userExistsInBiliUsers(client: Client, uid: number) {
-	return await client.queryObject<{ exists: boolean }>(`SELECT EXISTS(SELECT 1 FROM bili_user WHERE uid = $1)`, [
+	return await client.queryObject<{ exists: boolean }>(`SELECT EXISTS(SELECT 1 FROM bilibili_user WHERE uid = $1)`, [
 		uid,
 	]);
 }
 
 export async function getUnlabelledVideos(client: Client) {
 	const queryResult = await client.queryObject<{ aid: number }>(
-		`SELECT a.aid FROM all_data a LEFT JOIN labelling_result l ON a.aid = l.aid WHERE l.aid IS NULL`,
+		`SELECT a.aid FROM bilibili_metadata a LEFT JOIN labelling_result l ON a.aid = l.aid WHERE l.aid IS NULL`,
 	);
 	return queryResult.rows.map((row) => row.aid);
 }
@@ -29,14 +29,14 @@ export async function insertVideoLabel(client: Client, aid: number, label: numbe
 
 export async function getVideoInfoFromAllData(client: Client, aid: number) {
 	const queryResult = await client.queryObject<AllDataType>(
-		`SELECT * FROM all_data WHERE aid = $1`,
+		`SELECT * FROM bilibili_metadata WHERE aid = $1`,
 		[aid],
 	);
 	const row = queryResult.rows[0];
 	let authorInfo = "";
 	if (row.uid && await userExistsInBiliUsers(client, row.uid)) {
 		const q = await client.queryObject<BiliUserType>(
-			`SELECT * FROM bili_user WHERE uid = $1`,
+			`SELECT * FROM bilibili_user WHERE uid = $1`,
 			[row.uid],
 		);
 		const userRow = q.rows[0];
@@ -56,8 +56,8 @@ export async function getUnArchivedBiliUsers(client: Client) {
 	const queryResult = await client.queryObject<{ uid: number }>(
 		`
 		SELECT ad.uid
-		FROM all_data ad
-		LEFT JOIN bili_user bu ON ad.uid = bu.uid
+		FROM bilibili_metadata ad
+		LEFT JOIN bilibili_user bu ON ad.uid = bu.uid
 		WHERE bu.uid IS NULL;
 		`,
 		[],
diff --git a/lib/db/snapshot.ts b/lib/db/snapshot.ts
index 81fe9a8..d838899 100644
--- a/lib/db/snapshot.ts
+++ b/lib/db/snapshot.ts
@@ -5,41 +5,31 @@ import { parseTimestampFromPsql } from "lib/utils/formatTimestampToPostgre.ts";
 
 export async function getVideosNearMilestone(client: Client) {
 	const queryResult = await client.queryObject<VideoSnapshotType>(`
-    	WITH max_views_per_aid AS (
-			-- 找出每个 aid 的最大 views 值，并确保 aid 存在于 songs 表中
-			SELECT 
-				vs.aid, 
-				MAX(vs.views) AS max_views
-			FROM 
+    	WITH filtered_snapshots AS (
+			SELECT
+				vs.*
+			FROM
 				video_snapshot vs
-			INNER JOIN 
-				songs s
-			ON 
-				vs.aid = s.aid
-			GROUP BY 
-				vs.aid
+			WHERE
+				(vs.views >= 90000 AND vs.views < 100000) OR
+				(vs.views >= 900000 AND vs.views < 1000000)
 		),
-		filtered_max_views AS (
-			-- 筛选出满足条件的最大 views
-			SELECT 
-				aid, 
-				max_views
-			FROM 
-				max_views_per_aid
-			WHERE 
-				(max_views >= 90000 AND max_views < 100000) OR
-				(max_views >= 900000 AND max_views < 1000000) OR
-				(max_views >= 9900000 AND max_views < 10000000)
+		ranked_snapshots AS (
+			SELECT
+				fs.*,
+				ROW_NUMBER() OVER (PARTITION BY fs.aid ORDER BY fs.created_at DESC) as rn,
+				MAX(fs.views) OVER (PARTITION BY fs.aid) as max_views_per_aid
+			FROM
+				filtered_snapshots fs
+			INNER JOIN
+				songs s ON fs.aid = s.aid
 		)
-		-- 获取符合条件的完整行数据
-		SELECT 
-			vs.*
-		FROM 
-			video_snapshot vs
-		INNER JOIN 
-			filtered_max_views fmv
-		ON 
-			vs.aid = fmv.aid AND vs.views = fmv.max_views
+		SELECT
+			rs.id, rs.created_at, rs.views, rs.coins, rs.likes, rs.favorites, rs.shares, rs.danmakus, rs.aid, rs.replies
+		FROM
+			ranked_snapshots rs
+		WHERE
+			rs.rn = 1;
     `);
 	return queryResult.rows.map((row) => {
 		return {
@@ -72,7 +62,7 @@ export async function getSongSnapshotCount(client: Client, aid: number) {
 }
 
 export async function getShortTermEtaPrediction(client: Client, aid: number) {
-	const queryResult = await client.queryObject<{eta: number}>(
+	const queryResult = await client.queryObject<{ eta: number }>(
 		`
 		WITH old_snapshot AS (
 			SELECT created_at, views 
@@ -121,6 +111,23 @@ export async function getShortTermEtaPrediction(client: Client, aid: number) {
 	return queryResult.rows[0].eta;
 }
 
+export async function getIntervalFromLastSnapshotToNow(client: Client, aid: number) {
+	const queryResult = await client.queryObject<{ interval: number }>(
+		`
+		SELECT EXTRACT(EPOCH FROM (NOW() - created_at)) AS interval
+		FROM video_snapshot
+		WHERE aid = $1
+		ORDER BY created_at DESC
+		LIMIT 1;
+		`,
+		[aid],
+	);
+	if (queryResult.rows.length === 0) {
+		return null;
+	}
+	return queryResult.rows[0].interval;
+}
+
 export async function songEligibleForMilestoneSnapshot(client: Client, aid: number) {
 	const count = await getSongSnapshotCount(client, aid);
 	if (count < 2) {
diff --git a/lib/mq/exec/classifyVideo.ts b/lib/mq/exec/classifyVideo.ts
index 6649931..b86a9a6 100644
--- a/lib/mq/exec/classifyVideo.ts
+++ b/lib/mq/exec/classifyVideo.ts
@@ -26,7 +26,7 @@ export const classifyVideoWorker = async (job: Job) => {
 	await insertVideoLabel(client, aid, label);
 
 	const exists = await aidExistsInSongs(client, aid);
-	if (!exists) {
+	if (!exists && label !== 0) {
 		await insertIntoSongs(client, aid);
 	}
 
diff --git a/lib/mq/exec/snapshotTick.ts b/lib/mq/exec/snapshotTick.ts
index 9fcc604..e72d11f 100644
--- a/lib/mq/exec/snapshotTick.ts
+++ b/lib/mq/exec/snapshotTick.ts
@@ -14,6 +14,8 @@ export const snapshotTickWorker = async (_job: Job) => {
 	}
 };
 
+const log = (a: number, b: number = 10) => Math.log(a) / Math.log(b);
+
 export const closetMilestone = (views: number) => {
 	if (views < 100000) return 100000;
 	if (views < 1000000) return 1000000;
diff --git a/lib/mq/task/collectSongs.ts b/lib/mq/task/collectSongs.ts
index 04e033d..9c49823 100644
--- a/lib/mq/task/collectSongs.ts
+++ b/lib/mq/task/collectSongs.ts
@@ -15,12 +15,11 @@ export async function collectSongs(client: Client) {
 export async function insertIntoSongs(client: Client, aid: number) {
 	await client.queryObject(
 		`
-			INSERT INTO songs (aid, bvid, published_at, duration)
+			INSERT INTO songs (aid, published_at, duration)
 			VALUES (
 				$1,
-				(SELECT bvid FROM all_data WHERE aid = $1),
-				(SELECT published_at FROM all_data WHERE aid = $1),
-				(SELECT duration FROM all_data WHERE aid = $1)
+				(SELECT published_at FROM bilibili_metadata WHERE aid = $1),
+				(SELECT duration FROM bilibili_metadata WHERE aid = $1)
 			)
 			ON CONFLICT DO NOTHING
 		`,
diff --git a/lib/mq/task/getVideoDetails.ts b/lib/mq/task/getVideoDetails.ts
index ead8dd0..ea5f903 100644
--- a/lib/mq/task/getVideoDetails.ts
+++ b/lib/mq/task/getVideoDetails.ts
@@ -4,6 +4,7 @@ import { formatTimestampToPsql } from "lib/utils/formatTimestampToPostgre.ts";
 import logger from "lib/log/logger.ts";
 import { ClassifyVideoQueue } from "lib/mq/index.ts";
 import { userExistsInBiliUsers, videoExistsInAllData } from "lib/db/allData.ts";
+import { HOUR, SECOND } from "$std/datetime/constants.ts";
 
 export async function insertVideoInfo(client: Client, aid: number) {
 	const videoExists = await videoExistsInAllData(client, aid);
@@ -18,25 +19,25 @@ export async function insertVideoInfo(client: Client, aid: number) {
 	const desc = data.View.desc;
 	const uid = data.View.owner.mid;
 	const tags = data.Tags
-		.filter((tag) => tag.tag_type in ["old_channel", "topic"])
+		.filter((tag) => !["old_channel", "topic"].indexOf(tag.tag_type))
 		.map((tag) => tag.tag_name).join(",");
 	const title = data.View.title;
-	const published_at = formatTimestampToPsql(data.View.pubdate);
+	const published_at = formatTimestampToPsql(data.View.pubdate * SECOND + 8 * HOUR);
 	const duration = data.View.duration;
 	await client.queryObject(
-		`INSERT INTO all_data (aid, bvid, description, uid, tags, title, published_at, duration)
+		`INSERT INTO bilibili_metadata (aid, bvid, description, uid, tags, title, published_at, duration)
 			VALUES ($1, $2, $3, $4, $5, $6, $7, $8)`,
 		[aid, bvid, desc, uid, tags, title, published_at, duration],
 	);
 	const userExists = await userExistsInBiliUsers(client, aid);
 	if (!userExists) {
 		await client.queryObject(
-			`INSERT INTO bili_user (uid, username, "desc", fans) VALUES ($1, $2, $3, $4)`,
+			`INSERT INTO bilibili_user (uid, username, "desc", fans) VALUES ($1, $2, $3, $4)`,
 			[uid, data.View.owner.name, data.Card.card.sign, data.Card.follower],
 		);
 	} else {
 		await client.queryObject(
-			`UPDATE bili_user SET fans = $1 WHERE uid = $2`,
+			`UPDATE bilibili_user SET fans = $1 WHERE uid = $2`,
 			[data.Card.follower, uid],
 		);
 	}
diff --git a/lib/utils/formatSeconds.ts b/lib/utils/formatSeconds.ts
index ffabb22..694f94c 100644
--- a/lib/utils/formatSeconds.ts
+++ b/lib/utils/formatSeconds.ts
@@ -3,7 +3,7 @@ export const formatSeconds = (seconds: number) => {
 		return `${(seconds).toFixed(1)}s`;
 	}
 	if (seconds < 3600) {
-		return `${Math.floor(seconds / 60)}m${seconds % 60}s`;
+		return `${Math.floor(seconds / 60)}m${(seconds % 60).toFixed(1)}s`;
 	}
 	return `${Math.floor(seconds / 3600)}h ${((seconds % 3600) / 60).toFixed(2)}m`;
 };