diff --git a/lib/db/snapshot.ts b/lib/db/snapshot.ts
index be7ec26..09f14b5 100644
--- a/lib/db/snapshot.ts
+++ b/lib/db/snapshot.ts
@@ -20,3 +20,20 @@ export async function getVideosNearMilestone(client: Client) {
 		};
 	});
 }
+
+export async function getLatestVideoSnapshot(client: Client, aid: number): Promise<null | LatestSnapshotType> {
+	const queryResult = await client.queryObject<LatestSnapshotType>(`
+	    SELECT *
+	    FROM latest_video_snapshot
+	    WHERE aid = $1
+	`, [aid]);
+	if (queryResult.rows.length === 0) {
+		return null;
+	}
+	return queryResult.rows.map((row) => {
+		return {
+			...row,
+			aid: Number(row.aid),
+		}
+	})[0];
+}
diff --git a/lib/mq/exec/snapshotTick.ts b/lib/mq/exec/snapshotTick.ts
index 0d1bf44..95457e0 100644
--- a/lib/mq/exec/snapshotTick.ts
+++ b/lib/mq/exec/snapshotTick.ts
@@ -1,6 +1,6 @@
 import { Job } from "bullmq";
 import { db } from "lib/db/init.ts";
-import { getVideosNearMilestone } from "lib/db/snapshot.ts";
+import {getLatestVideoSnapshot, getVideosNearMilestone} from "lib/db/snapshot.ts";
 import {
 	findClosestSnapshot,
 	getLatestSnapshot,
@@ -42,7 +42,7 @@ export const snapshotTickWorker = async (_job: Job) => {
 			const aid = Number(schedule.aid);
 			await SnapshotQueue.add("snapshotVideo", {
 				aid: aid,
-				id: schedule.id,
+				id: Number(schedule.id),
 				type: schedule.type ?? "normal",
 			}, { priority });
 		}
@@ -131,8 +131,10 @@ export const regularSnapshotsWorker = async (_job: Job) => {
 		for (const rawAid of aids) {
 			const aid = Number(rawAid);
 			if (await videoHasActiveSchedule(client, aid)) continue;
+			const latestSnapshot = await getLatestVideoSnapshot(client, aid);
 			const now = Date.now();
-			const targetTime = now + 24 * HOUR;
+			const lastSnapshotedAt = latestSnapshot?.time ?? now;
+			const targetTime = truncate(lastSnapshotedAt + 24 * HOUR, now + 1, Infinity);
 			await scheduleSnapshot(client, aid, "normal", targetTime);
 		}
 	} catch (e) {
@@ -161,6 +163,10 @@ export const takeSnapshotForVideoWorker = async (job: Job) => {
 			return `BILI_STATUS_${stat}`;
 		}
 		await setSnapshotStatus(client, id, "completed");
+		if (type === "normal") {
+			await scheduleSnapshot(client, aid, type, Date.now() + 24 * HOUR);
+			return `DONE`;
+		}
 		if (type !== "milestone") return `DONE`;
 		const eta = await getAdjustedShortTermETA(client, aid);
 		if (eta > 72) return "ETA_TOO_LONG";