diff --git a/src/content.ts b/src/content.ts
index 63cf3969..6d961d0d 100644
--- a/src/content.ts
+++ b/src/content.ts
@@ -494,6 +494,7 @@ function resetValues() {
 }
 
 async function videoIDChange(): Promise<void> {
+    console.log("Video ID changed");
     //setup the preview bar
     if (previewBar === null) {
         waitFor(getControls).then(createPreviewBar);
@@ -507,6 +508,7 @@ async function videoIDChange(): Promise<void> {
     });
 
     sponsorsLookup();
+    checkPageForNewThumbnails();
 
     // Clear unsubmitted segments from the previous video
     sponsorTimesSubmitting = [];
diff --git a/src/requests/videoLabels.ts b/src/requests/videoLabels.ts
index 5e25385f..b6149880 100644
--- a/src/requests/videoLabels.ts
+++ b/src/requests/videoLabels.ts
@@ -59,6 +59,7 @@ async function getLabelHashBlock(hashPrefix: string, refreshCache: boolean = fal
 }
 
 export async function getVideoLabel(videoID: VideoID, refreshCache: boolean = false): Promise<Category | null> {
+    return "sponsor" as Category;
     const prefix = (await getVideoIDHash(videoID)).slice(0, 3);
     const result = await getLabelHashBlock(prefix, refreshCache);
 
diff --git a/src/thumbnail-utils/thumbnailManagement.ts b/src/thumbnail-utils/thumbnailManagement.ts
index bb4e86c7..672555f0 100644
--- a/src/thumbnail-utils/thumbnailManagement.ts
+++ b/src/thumbnail-utils/thumbnailManagement.ts
@@ -76,6 +76,9 @@ export function checkPageForNewThumbnails() {
 }
 
 async function labelNewThumbnails(container: Element, containerType: string) {
+    if (containerType === "playerSideRecommendation") {
+        console.log("playerSideRecommendation", container);
+    }
     if (shouldWaitForPageLoad(containerType)) {
         await waitFor(getPageLoaded, 30000, 10);
     }
diff --git a/src/thumbnail-utils/thumbnails.ts b/src/thumbnail-utils/thumbnails.ts
index b30c6c87..94a6d6fe 100644
--- a/src/thumbnail-utils/thumbnails.ts
+++ b/src/thumbnail-utils/thumbnails.ts
@@ -1,5 +1,6 @@
 import Config from "../config";
 import { getVideoLabel } from "../requests/videoLabels";
+import { VideoID } from "../types";
 import { waitFor } from "../utils/";
 import { getBvIDFromURL } from "../utils/parseVideoID";
 import { getLabelAnchorSelector, getLinkAttribute, getLinkSelectors } from "./thumbnail-selectors";
@@ -52,7 +53,7 @@ export async function labelThumbnailProcess(
     const [videoID] = videoIDs;
 
     // 获取或创建缩略图标签
-    const { overlay, text } = await createOrGetThumbnail(thumbnail, containerType);
+    const { overlay, text } = await createOrGetThumbnail(thumbnail, containerType, videoID);
 
     const category = await getVideoLabel(videoID);
     if (!category) {
@@ -90,10 +91,22 @@ async function hideThumbnailLabel(thumbnail: HTMLElement): Promise<void> {
     }
 }
 
+const preloadSegments = (e: MouseEvent) => {
+    // console.log("pointerenter", (e.target as HTMLElement).getAttribute("data-bsb-bvid"));
+};
+
 async function createOrGetThumbnail(
     thumbnail: HTMLElement,
-    containerType: string
+    containerType: string,
+    videoID: VideoID
 ): Promise<{ overlay: HTMLElement; text: HTMLElement }> {
+    // only add evnet listener once, add preloadSegments to thumbnail when pointerenter
+    if (thumbnail.getAttribute("data-bsb-bvid") != videoID) {
+        thumbnail.setAttribute("data-bsb-bvid", videoID);
+        thumbnail.removeEventListener("mouseenter", preloadSegments);
+        thumbnail.addEventListener("mouseenter", preloadSegments);
+    }
+
     const oldLabelElement = await getOldThumbnailLabel(thumbnail);
     if (oldLabelElement) {
         return {