diff --git a/js/spine-utils.js b/js/spine-utils.js
index b3b90f2..6d47839 100644
--- a/js/spine-utils.js
+++ b/js/spine-utils.js
@@ -507,10 +507,15 @@ function discoverAssets(filePath, options) {
 	const selected = path.basename(filePath);
 	const selectedStem = normalizeStem(selected);
 	// 先扫码“选中 item 文件夹 + 同级所有 .info”（精确、不跨批次）。
-	const roots = getSearchRoots(filePath);
-	// 若同级范围无法凑齐骨架+图集（常见于 Eagle 导入瞬间，同伴落在别的 .info），
-	// 则扩展搜索到整个库的 images/ 目录（全库兜底，靠“同家族 + 同文件夹 + 最近 btime”配对）。
-	buildRootsWithLibraryRoot(filePath, roots);
+	let roots;
+	if (Array.isArray(options.searchRoots) && options.searchRoots.length) {
+		roots = [...new Set(options.searchRoots.map((root) => path.resolve(root)))];
+	} else {
+		roots = getSearchRoots(filePath);
+		// 兼容旧的非查询调用：扩展到整个库。查看器会传入 Eagle API
+		// 明确列举的候选 item 目录，避免每次预览扫描整库。
+		buildRootsWithLibraryRoot(filePath, roots);
+	}
 
 	// 导入时 Eagle 会先创建各个 .info，再异步写 folders。严格模式必须把尚未写入
 	// folders 的同批资源也纳入候选，之后用 metadata.json 的 birthtime 精确配对。
diff --git a/release/SpineViewer.eagleplugin b/release/SpineViewer.eagleplugin
index a0ad2b3..3995e28 100644
Binary files a/release/SpineViewer.eagleplugin and b/release/SpineViewer.eagleplugin differ
diff --git a/release/UNIVERSAL_SpineViewer/js/spine-utils.js b/release/UNIVERSAL_SpineViewer/js/spine-utils.js
index b3b90f2..6d47839 100644
--- a/release/UNIVERSAL_SpineViewer/js/spine-utils.js
+++ b/release/UNIVERSAL_SpineViewer/js/spine-utils.js
@@ -507,10 +507,15 @@ function discoverAssets(filePath, options) {
 	const selected = path.basename(filePath);
 	const selectedStem = normalizeStem(selected);
 	// 先扫码“选中 item 文件夹 + 同级所有 .info”（精确、不跨批次）。
-	const roots = getSearchRoots(filePath);
-	// 若同级范围无法凑齐骨架+图集（常见于 Eagle 导入瞬间，同伴落在别的 .info），
-	// 则扩展搜索到整个库的 images/ 目录（全库兜底，靠“同家族 + 同文件夹 + 最近 btime”配对）。
-	buildRootsWithLibraryRoot(filePath, roots);
+	let roots;
+	if (Array.isArray(options.searchRoots) && options.searchRoots.length) {
+		roots = [...new Set(options.searchRoots.map((root) => path.resolve(root)))];
+	} else {
+		roots = getSearchRoots(filePath);
+		// 兼容旧的非查询调用：扩展到整个库。查看器会传入 Eagle API
+		// 明确列举的候选 item 目录，避免每次预览扫描整库。
+		buildRootsWithLibraryRoot(filePath, roots);
+	}
 
 	// 导入时 Eagle 会先创建各个 .info，再异步写 folders。严格模式必须把尚未写入
 	// folders 的同批资源也纳入候选，之后用 metadata.json 的 birthtime 精确配对。
diff --git a/release/UNIVERSAL_SpineViewer/viewer/spine.html b/release/UNIVERSAL_SpineViewer/viewer/spine.html
index 7bcec35..3847479 100644
--- a/release/UNIVERSAL_SpineViewer/viewer/spine.html
+++ b/release/UNIVERSAL_SpineViewer/viewer/spine.html
@@ -545,6 +545,37 @@
 		return false;
 	}
 
+	async function getPreviewSearchRoots(sourcePath) {
+		const currentDir = path.dirname(sourcePath);
+		const libraryRoot = utils.findLibraryRoot(sourcePath);
+		if (!libraryRoot) return null;
+		const folders = utils.foldersOfItem(sourcePath);
+		const params = new URLSearchParams({
+			limit: '1000',
+			keyword: utils.normalizeStem(path.basename(sourcePath)),
+		});
+		if (folders.length) params.set('folders', folders.join(','));
+		try {
+			const response = await fetch('http://localhost:41595/api/item/list?' + params.toString() + '&_=' + Date.now(), {
+				cache: 'no-store',
+			});
+			const result = await response.json();
+			if (!response.ok || !result || result.status !== 'success' || !Array.isArray(result.data)) return null;
+			const imagesDir = path.join(libraryRoot, 'images');
+			const roots = [currentDir];
+			for (const item of result.data) {
+				if (!item || !/^[A-Za-z0-9_-]+$/.test(item.id || '')) continue;
+				if (!utils.extOf(String(item.name || '') + '.' + String(item.ext || ''))) continue;
+				const itemDir = path.join(imagesDir, item.id + '.info');
+				if (utils.isEagleItemDir(itemDir)) roots.push(itemDir);
+			}
+			return [...new Set(roots.map((root) => path.resolve(root)))];
+		} catch (error) {
+			log('Eagle 候选素材查询失败，回退到本地发现: ' + error.message);
+			return null;
+		}
+	}
+
 	function currentResourcePaths() {
 		if (!activeAssets) return [];
 		const groupStems = new Set([
@@ -1142,7 +1173,8 @@
 			else showTextPreview(name, parsed === undefined ? text : JSON.stringify(parsed, null, 2));
 			return;
 		}
-		const assets = utils.discoverAssets(filePath);
+		const previewSearchRoots = await getPreviewSearchRoots(filePath);
+		const assets = utils.discoverAssets(filePath, previewSearchRoots ? { searchRoots: previewSearchRoots } : undefined);
 
 		if (!assets.skeletonPath || !assets.atlasPath) {
 			if (!assets.skeletonPath) {
diff --git a/tests/compound-extensions.test.js b/tests/compound-extensions.test.js
index 85493ff..de0a81b 100644
--- a/tests/compound-extensions.test.js
+++ b/tests/compound-extensions.test.js
@@ -35,6 +35,8 @@ try {
 	assert.equal(utils.discoverAssets(lateAtlas, { strictStem: true }).skeletonPath, null);
 	const lateSkeleton = path.join(late, 'hero.skel.bytes'); fs.writeFileSync(lateSkeleton, Buffer.from('\0' + '3.8.1\0'));
 	assert.equal(utils.discoverAssets(lateAtlas, { strictStem: true, refreshIndex: true }).skeletonPath, lateSkeleton);
+	const scoped = utils.discoverAssets(lateAtlas, { searchRoots: [late] });
+	assert.equal(scoped.skeletonPath, lateSkeleton);
 	for (const [name, json, expected] of [
 		['spine.json', { skeleton: { spine: '4.2.43' }, bones: [] }, 'spine'],
 		['empty-version.json', { skeleton: { spine: '' }, bones: [] }, 'other'],
diff --git a/viewer/spine.html b/viewer/spine.html
index 7bcec35..3847479 100644
--- a/viewer/spine.html
+++ b/viewer/spine.html
@@ -545,6 +545,37 @@
 		return false;
 	}
 
+	async function getPreviewSearchRoots(sourcePath) {
+		const currentDir = path.dirname(sourcePath);
+		const libraryRoot = utils.findLibraryRoot(sourcePath);
+		if (!libraryRoot) return null;
+		const folders = utils.foldersOfItem(sourcePath);
+		const params = new URLSearchParams({
+			limit: '1000',
+			keyword: utils.normalizeStem(path.basename(sourcePath)),
+		});
+		if (folders.length) params.set('folders', folders.join(','));
+		try {
+			const response = await fetch('http://localhost:41595/api/item/list?' + params.toString() + '&_=' + Date.now(), {
+				cache: 'no-store',
+			});
+			const result = await response.json();
+			if (!response.ok || !result || result.status !== 'success' || !Array.isArray(result.data)) return null;
+			const imagesDir = path.join(libraryRoot, 'images');
+			const roots = [currentDir];
+			for (const item of result.data) {
+				if (!item || !/^[A-Za-z0-9_-]+$/.test(item.id || '')) continue;
+				if (!utils.extOf(String(item.name || '') + '.' + String(item.ext || ''))) continue;
+				const itemDir = path.join(imagesDir, item.id + '.info');
+				if (utils.isEagleItemDir(itemDir)) roots.push(itemDir);
+			}
+			return [...new Set(roots.map((root) => path.resolve(root)))];
+		} catch (error) {
+			log('Eagle 候选素材查询失败，回退到本地发现: ' + error.message);
+			return null;
+		}
+	}
+
 	function currentResourcePaths() {
 		if (!activeAssets) return [];
 		const groupStems = new Set([
@@ -1142,7 +1173,8 @@
 			else showTextPreview(name, parsed === undefined ? text : JSON.stringify(parsed, null, 2));
 			return;
 		}
-		const assets = utils.discoverAssets(filePath);
+		const previewSearchRoots = await getPreviewSearchRoots(filePath);
+		const assets = utils.discoverAssets(filePath, previewSearchRoots ? { searchRoots: previewSearchRoots } : undefined);
 
 		if (!assets.skeletonPath || !assets.atlasPath) {
 			if (!assets.skeletonPath) {