diff --git a/src/routes/(authed)/tools/adv-upload/+page.svelte b/src/routes/(authed)/tools/adv-upload/+page.svelte
index adc7dde..ed74032 100644
--- a/src/routes/(authed)/tools/adv-upload/+page.svelte
+++ b/src/routes/(authed)/tools/adv-upload/+page.svelte
@@ -25,7 +25,6 @@
 	const UPLOAD_PROXY_ENDPOINT = '/api/adv-upload';
 	const LIST_PROXY_ENDPOINT = '/api/adv-list';
 	const FILE_PROXY_ENDPOINT = '/api/adv-file';
-	const THUMB_PROXY_ENDPOINT = '/api/adv-thumb';
 	const ALLOWED_EXTENSIONS = ['.mp4'];
 
 	// ─────────────────────────────────────────────────────────────────────────
@@ -220,11 +219,6 @@
 				const { [slot.name]: _drop, ...rest } = videoBlobUrls;
 				videoBlobUrls = rest;
 			}
-			if (thumbUrls[slot.name]) {
-				URL.revokeObjectURL(thumbUrls[slot.name]);
-				const { [slot.name]: _t, ...restThumb } = thumbUrls;
-				thumbUrls = restThumb;
-			}
 			refreshServerIndex();
 			return true;
 		} catch (error) {
@@ -351,8 +345,6 @@
 	let serverFilesByName = $state<Record<string, number>>({});
 	// The server video currently open in the preview lightbox (or null).
 	let viewingName = $state<string | null>(null);
-	// name -> object URL of the small JPEG poster (thumbnail) for a slot's video.
-	let thumbUrls = $state<Record<string, string>>({});
 
 	function formatBytes(bytes: number): string {
 		if (!bytes) return '0 MB';
@@ -372,47 +364,11 @@
 			const map: Record<string, number> = {};
 			for (const f of (data.files ?? []) as ServerVideo[]) map[f.name] = f.size;
 			serverFilesByName = map;
-			// Fetch a tiny JPEG poster for each slot video so the grid shows a
-			// thumbnail (backend grabs one frame — no full-video download).
-			autoLoadSlotThumbs();
 		} catch (error) {
 			logger.error('[Adv] refresh server index error:', error);
 		}
 	}
 
-	// Fetch the small JPEG poster for one slot video → object URL for an <img>.
-	async function loadSlotThumb(name: string) {
-		if (thumbUrls[name]) return;
-		try {
-			const url = `${THUMB_PROXY_ENDPOINT}?country=${encodeURIComponent(selectedCountry)}&filename=${encodeURIComponent(name)}`;
-			const res = await fetch(url, { headers: await authHeaders() });
-			if (!res.ok) return;
-			const blob = await res.blob();
-			thumbUrls = { ...thumbUrls, [name]: URL.createObjectURL(blob) };
-		} catch (error) {
-			logger.error('[Adv] load thumb error:', error);
-		}
-	}
-
-	// Load posters for the slot videos on the server (posters are tiny, so a
-	// larger concurrency pool is fine).
-	async function autoLoadSlotThumbs() {
-		const slotNames = new Set(slots.map((s) => s.name));
-		const names = Object.keys(serverFilesByName).filter(
-			(n) => slotNames.has(n) && !thumbUrls[n]
-		);
-		if (names.length === 0) return;
-
-		const CONCURRENCY = 5;
-		let next = 0;
-		async function worker() {
-			while (next < names.length) {
-				await loadSlotThumb(names[next++]);
-			}
-		}
-		await Promise.all(Array.from({ length: Math.min(CONCURRENCY, names.length) }, worker));
-	}
-
 	// Open the current server video for a slot in the lightbox.
 	async function viewCurrent(name: string) {
 		await playServerVideo(name); // loads the blob if not already
@@ -502,7 +458,6 @@
 		return () => {
 			for (const s of slots) if (s.preview) URL.revokeObjectURL(s.preview);
 			for (const url of Object.values(videoBlobUrls)) URL.revokeObjectURL(url);
-			for (const url of Object.values(thumbUrls)) URL.revokeObjectURL(url);
 		};
 	});
 </script>
@@ -656,32 +611,6 @@
 											<CheckCircle class="h-6 w-6 text-white drop-shadow" />
 										</div>
 									{/if}
-								{:else if thumbUrls[slot.name]}
-									<!-- JPEG poster of the video already on the server; still a picker
-									     so clicking replaces it with a new file. -->
-									<label class="group/thumb relative block h-full w-full cursor-pointer">
-										<input
-											type="file"
-											accept=".mp4,video/mp4"
-											class="hidden"
-											onchange={(e) => {
-												const el = e.currentTarget as HTMLInputElement;
-												pickSlotFile(slot.index, el.files);
-												el.value = '';
-											}}
-										/>
-										<img
-											src={thumbUrls[slot.name]}
-											alt="Current {slot.name}"
-											class="h-full w-full object-cover"
-										/>
-										<div
-											class="absolute inset-0 flex flex-col items-center justify-center gap-1 bg-black/50 text-white opacity-0 transition-opacity group-hover/thumb:opacity-100"
-										>
-											<Upload class="h-4 w-4" />
-											<span class="text-[10px] font-medium">Replace</span>
-										</div>
-									</label>
 								{:else}
 									<label
 										class="flex h-full w-full cursor-pointer flex-col items-center justify-center gap-1 border border-dashed border-muted-foreground/30 text-muted-foreground transition-colors hover:border-primary/50 hover:text-primary"
@@ -696,13 +625,8 @@
 												el.value = '';
 											}}
 										/>
-										{#if serverFilesByName[slot.name] !== undefined}
-											<Spinner class="h-4 w-4" />
-											<span class="text-[10px] font-medium">Loading…</span>
-										{:else}
-											<Upload class="h-4 w-4" />
-											<span class="text-[10px] font-medium">Choose</span>
-										{/if}
+										<Upload class="h-4 w-4" />
+										<span class="text-[10px] font-medium">Choose</span>
 									</label>
 								{/if}
 							</div>
diff --git a/src/routes/api/adv-thumb/+server.ts b/src/routes/api/adv-thumb/+server.ts
deleted file mode 100644
index b7e6b69..0000000
--- a/src/routes/api/adv-thumb/+server.ts
+++ /dev/null
@@ -1,46 +0,0 @@
-import { logger } from '$lib/core/utils/logger';
-import { error } from '@sveltejs/kit';
-import type { RequestHandler } from './$types';
-import { env } from '$env/dynamic/public';
-import { verifyAuthToken } from '$lib/server/auth';
-
-// Adv videos are served by the same taobin_image service as menu images.
-const ADV_API_BASE = env.PUBLIC_POST_IMAGE;
-
-// Return a small JPEG poster (single frame) for an adv video so the slot grid can
-// show a thumbnail without downloading the whole mp4. The frontend fetches this
-// with a Bearer token and turns the response into a Blob/object URL for an <img>.
-export const GET: RequestHandler = async ({ request, url }) => {
-	try {
-		await verifyAuthToken(request);
-
-		const country = url.searchParams.get('country');
-		const filename = url.searchParams.get('filename');
-		if (!country || !filename) {
-			throw error(400, 'Missing country or filename');
-		}
-
-		// POST (not GET): the kong gateway only routes POST to the taobin-image service.
-		const endpoint = `${ADV_API_BASE}/adv/thumb/${encodeURIComponent(country)}/${encodeURIComponent(filename)}`;
-		const response = await fetch(endpoint, { method: 'POST' });
-
-		if (!response.ok) {
-			const errorData = await response.json().catch(() => ({ detail: response.statusText }));
-			throw error(response.status, errorData.detail || 'Failed to fetch thumbnail');
-		}
-
-		return new Response(response.body, {
-			status: 200,
-			headers: {
-				'Content-Type': response.headers.get('Content-Type') || 'image/jpeg',
-				'Cache-Control': 'no-store'
-			}
-		});
-	} catch (err) {
-		logger.error('[Adv Thumb Proxy] Error:', err);
-		if (err && typeof err === 'object' && 'status' in err) {
-			throw err;
-		}
-		throw error(500, err instanceof Error ? err.message : 'Internal server error');
-	}
-};