diff --git a/apps/web/src/pages/assets/AssetLibrary.tsx b/apps/web/src/pages/assets/AssetLibrary.tsx
index c6adc7683..d327dd0bf 100644
--- a/apps/web/src/pages/assets/AssetLibrary.tsx
+++ b/apps/web/src/pages/assets/AssetLibrary.tsx
@@ -1,25 +1,27 @@
 /**
  * 视频库页面 — V21 设计系统
  * 两栏布局：左侧视频库列表（260px）+ 右侧素材网格
- * 使用 useQuery 对接后端真实 API（api/assets.ts）
+ *
+ * 主组件仅保留 Hook 组装与整体布局
+ * 数据查询 → hooks/useAssetsData
+ * 库管理 → hooks/useLibraryManagement
+ * 上传 → hooks/useAssetUpload
+ * 选中态 → hooks/useAssetSelection
+ * 素材操作 → hooks/useAssetOperations
+ * 上传区 → components/AssetUploadZone
+ * 网格区 → components/AssetGridSection
+ * 弹窗集合 → components/AssetModals
  */
 import React, { useState } from "react"
-import { Upload } from "antd"
-import { InboxOutlined, PictureOutlined, ExclamationCircleOutlined } from "@ant-design/icons"
-import { Button } from "@/components/ui"
 import type { AssetItem } from "@/pages/assets/types"
-import AssetCard from "@/pages/assets/components/AssetCard"
+import type { SmartViewType } from "@/pages/assets/components/BatchMarkModal"
 import { SkeletonCard } from "@/pages/assets/components/AssetSkeleton"
 import LibrarySidebar from "@/pages/assets/components/LibrarySidebar"
 import AssetFilterBar from "@/pages/assets/components/AssetFilterBar"
 import BatchOperationBar from "@/pages/assets/components/BatchOperationBar"
-import CreateLibraryModal from "@/pages/assets/components/CreateLibraryModal"
-import PlayModal from "@/pages/assets/components/PlayModal"
-import BatchTagModal from "@/pages/assets/components/BatchTagModal"
-import BatchClassifyModal from "@/pages/assets/components/BatchClassifyModal"
-import BatchMarkModal from "@/pages/assets/components/BatchMarkModal"
-import ResultDrawer from "@/pages/assets/components/ResultDrawer"
-import UploadProgressModal from "@/pages/assets/components/UploadProgressModal"
+import AssetUploadZone from "@/pages/assets/components/AssetUploadZone"
+import AssetGridSection from "@/pages/assets/components/AssetGridSection"
+import AssetModals from "@/pages/assets/components/AssetModals"
 import { useAssetsData } from "@/pages/assets/hooks/useAssetsData"
 import { useLibraryManagement } from "@/pages/assets/hooks/useLibraryManagement"
 import { useAssetUpload } from "@/pages/assets/hooks/useAssetUpload"
@@ -27,9 +29,6 @@ import { useAssetSelection } from "@/pages/assets/hooks/useAssetSelection"
 import { useAssetOperations } from "@/pages/assets/hooks/useAssetOperations"
 import "./assets.css"
 
-/* ============================================================
- * 主组件
- * ============================================================ */
 const AssetLibrary: React.FC = () => {
   /* ── 数据查询与筛选 ── */
   const {
@@ -129,9 +128,6 @@ const AssetLibrary: React.FC = () => {
 
   return (
     <div className="xx-assets-page">
-      {/* ─── 上传进度弹窗 ─── */}
-      <UploadProgressModal open={uploading} progress={uploadProgress} />
-
       {/* 两栏布局 */}
       <div className="xx-assets-layout">
         {/* ─── 左侧：视频库列表 ─── */}
@@ -146,25 +142,11 @@ const AssetLibrary: React.FC = () => {
         {/* ─── 右侧：内容区 ─── */}
         <div className="xx-assets-content">
           {/* 上传区域 */}
-          <Upload.Dragger
-            beforeUpload={(file) => {
-              handleUpload(file as File)
-              return false
-            }}
-            showUploadList={false}
-            multiple
-            accept="video/*,image/*"
-          >
-            <div className="xx-asset-upload-zone">
-              <p className="xx-asset-upload-icon">
-                <InboxOutlined />
-              </p>
-              <p className="xx-asset-upload-text">
-                {uploading ? "上传中..." : "点击或拖拽文件到此区域上传"}
-              </p>
-              <p className="xx-asset-upload-hint">支持视频、图片，单文件不超过 2GB</p>
-            </div>
-          </Upload.Dragger>
+          <AssetUploadZone
+            uploading={uploading}
+            uploadProgress={uploadProgress}
+            onUpload={handleUpload}
+          />
 
           {/* 筛选栏 */}
           <AssetFilterBar
@@ -191,114 +173,69 @@ const AssetLibrary: React.FC = () => {
           )}
 
           {/* 素材网格 */}
-          {assetsLoading ? (
-            <div className="xx-asset-grid">
-              {Array.from({ length: 8 }).map((_, i) => (
-                <SkeletonCard key={i} />
-              ))}
-            </div>
-          ) : assetsError ? (
-            <div className="xx-assets-empty">
-              <div className="xx-assets-empty-icon">
-                <ExclamationCircleOutlined />
-              </div>
-              <p className="xx-assets-empty-title">{assetsErrorObj?.message || "加载失败"}</p>
-              <Button buttonType="primary" buttonSize="sm" onClick={() => refetchAssets()}>
-                重新加载
-              </Button>
-            </div>
-          ) : filteredAssets.length > 0 ? (
-            <div className="xx-asset-grid">
-              {filteredAssets.map((asset) => (
-                <AssetCard
-                  key={asset.id}
-                  asset={asset}
-                  selected={selectedIds.has(asset.id)}
-                  diagnosing={diagnosingId === asset.id}
-                  onToggle={() => toggleSelect(asset.id)}
-                  onDiagnose={() => handleDiagnose(asset)}
-                  onPlay={() => setPlayingAsset(asset)}
-                  onDelete={() => handleSingleDelete(asset.id)}
-                />
-              ))}
-            </div>
-          ) : (
-            <div className="xx-assets-empty">
-              <div className="xx-assets-empty-icon">
-                <PictureOutlined />
-              </div>
-              <p className="xx-assets-empty-title">暂无素材，请上传或切换视频库</p>
-            </div>
-          )}
+          <AssetGridSection
+            loading={assetsLoading}
+            error={assetsError}
+            errorMessage={assetsErrorObj?.message}
+            assets={filteredAssets}
+            selectedIds={selectedIds}
+            diagnosingId={diagnosingId}
+            onRetry={refetchAssets}
+            onToggleSelect={toggleSelect}
+            onDiagnose={handleDiagnose}
+            onPlay={setPlayingAsset}
+            onDelete={handleSingleDelete}
+          />
         </div>
       </div>
 
-      {/* ─── 新建视频库弹窗 ─── */}
-      <CreateLibraryModal
-        open={createModalOpen}
-        onCancel={() => setCreateModalOpen(false)}
-        onOk={handleCreateLibrary}
-        name={newLibName}
-        onNameChange={setNewLibName}
-        kind={newLibKind}
-        onKindChange={setNewLibKind}
-        confirmLoading={isCreating}
-      />
-
-      {/* ─── 视频/音频播放弹窗 ─── */}
-      <PlayModal open={!!playingAsset} asset={playingAsset} onClose={() => setPlayingAsset(null)} />
-
-      {/* ─── 批量打标签弹窗 ─── */}
-      <BatchTagModal
-        open={tagModalOpen}
+      {/* ─── 弹窗集合 ─── */}
+      <AssetModals
+        uploading={uploading}
+        uploadProgress={uploadProgress}
+        createModalOpen={createModalOpen}
+        onCreateModalCancel={() => setCreateModalOpen(false)}
+        onCreateModalOk={handleCreateLibrary}
+        newLibName={newLibName}
+        onNewLibNameChange={setNewLibName}
+        newLibKind={newLibKind}
+        onNewLibKindChange={setNewLibKind}
+        createLoading={isCreating}
+        playingAsset={playingAsset}
+        onPlayClose={() => setPlayingAsset(null)}
+        tagModalOpen={tagModalOpen}
         selectedCount={selectedIds.size}
-        onCancel={() => {
+        onTagCancel={() => {
           setTagModalOpen(false)
           setBatchTags([])
           setBatchTagInput("")
         }}
-        onOk={handleBatchTag}
-        tags={batchTags}
+        onTagOk={handleBatchTag}
+        batchTags={batchTags}
+        batchTagInput={batchTagInput}
         onTagInputChange={setBatchTagInput}
         onTagInputKeyDown={handleTagInputKeyDown}
         onRemoveTag={removeBatchTag}
-        tagInput={batchTagInput}
-        tagMode={tagMode}
-        onTagModeChange={setTagMode}
-        confirmLoading={batchLoading}
-      />
-
-      {/* ─── 批量改分类弹窗 ─── */}
-      <BatchClassifyModal
-        open={classifyModalOpen}
-        selectedCount={selectedIds.size}
-        onCancel={() => {
+        tagMode={tagMode as "add" | "replace"}
+        onTagModeChange={setTagMode as (mode: "add" | "replace") => void}
+        batchLoading={batchLoading}
+        classifyModalOpen={classifyModalOpen}
+        onClassifyCancel={() => {
           setClassifyModalOpen(false)
           setBatchCategory("")
         }}
-        onOk={handleBatchClassify}
-        category={batchCategory}
+        onClassifyOk={handleBatchClassify}
+        batchCategory={batchCategory}
         onCategoryChange={setBatchCategory}
-        confirmLoading={batchLoading}
-      />
-
-      {/* ─── 批量智能标记弹窗 ─── */}
-      <BatchMarkModal
-        open={markModalOpen}
-        selectedCount={selectedIds.size}
-        onCancel={() => setMarkModalOpen(false)}
-        onOk={handleBatchMark}
-        smartView={batchSmartView}
-        onSmartViewChange={setBatchSmartView}
-        confirmLoading={batchLoading}
-      />
-
-      {/* ─── 操作结果 Drawer ─── */}
-      <ResultDrawer
-        open={resultDrawerOpen}
-        title={operationTitle}
-        result={operationResult}
-        onClose={handleResultDrawerClose}
+        markModalOpen={markModalOpen}
+        onMarkCancel={() => setMarkModalOpen(false)}
+        onMarkOk={handleBatchMark}
+        batchSmartView={batchSmartView as SmartViewType}
+        onSmartViewChange={setBatchSmartView as (val: SmartViewType) => void}
+        resultDrawerOpen={resultDrawerOpen}
+        operationTitle={operationTitle}
+        operationResult={operationResult}
+        onResultDrawerClose={handleResultDrawerClose}
       />
     </div>
   )
diff --git a/apps/web/src/pages/assets/components/AssetGridSection.tsx b/apps/web/src/pages/assets/components/AssetGridSection.tsx
new file mode 100644
index 000000000..81f206330
--- /dev/null
+++ b/apps/web/src/pages/assets/components/AssetGridSection.tsx
@@ -0,0 +1,93 @@
+/**
+ * AssetLibrary 素材网格区域（含加载/错误/空状态）
+ */
+import React from "react"
+import { PictureOutlined, ExclamationCircleOutlined } from "@ant-design/icons"
+import { Button } from "@/components/ui"
+import type { AssetItem } from "../types"
+import AssetCard from "./AssetCard"
+import { SkeletonCard } from "./AssetSkeleton"
+
+export interface AssetGridSectionProps {
+  loading: boolean
+  error: boolean
+  errorMessage?: string
+  assets: AssetItem[]
+  selectedIds: Set<string>
+  diagnosingId: string | null
+  onRetry?: () => void
+  onToggleSelect: (id: string) => void
+  onDiagnose: (asset: AssetItem) => void
+  onPlay: (asset: AssetItem) => void
+  onDelete: (id: string) => void
+}
+
+export const AssetGridSection: React.FC<AssetGridSectionProps> = ({
+  loading,
+  error,
+  errorMessage,
+  assets,
+  selectedIds,
+  diagnosingId,
+  onRetry,
+  onToggleSelect,
+  onDiagnose,
+  onPlay,
+  onDelete,
+}) => {
+  if (loading) {
+    return (
+      <div className="xx-asset-grid">
+        {Array.from({ length: 8 }).map((_, i) => (
+          <SkeletonCard key={i} />
+        ))}
+      </div>
+    )
+  }
+
+  if (error) {
+    return (
+      <div className="xx-assets-empty">
+        <div className="xx-assets-empty-icon">
+          <ExclamationCircleOutlined />
+        </div>
+        <p className="xx-assets-empty-title">{errorMessage || "加载失败"}</p>
+        {onRetry && (
+          <Button buttonType="primary" buttonSize="sm" onClick={onRetry}>
+            重新加载
+          </Button>
+        )}
+      </div>
+    )
+  }
+
+  if (assets.length > 0) {
+    return (
+      <div className="xx-asset-grid">
+        {assets.map((asset) => (
+          <AssetCard
+            key={asset.id}
+            asset={asset}
+            selected={selectedIds.has(asset.id)}
+            diagnosing={diagnosingId === asset.id}
+            onToggle={() => onToggleSelect(asset.id)}
+            onDiagnose={() => onDiagnose(asset)}
+            onPlay={() => onPlay(asset)}
+            onDelete={() => onDelete(asset.id)}
+          />
+        ))}
+      </div>
+    )
+  }
+
+  return (
+    <div className="xx-assets-empty">
+      <div className="xx-assets-empty-icon">
+        <PictureOutlined />
+      </div>
+      <p className="xx-assets-empty-title">暂无素材，请上传或切换视频库</p>
+    </div>
+  )
+}
+
+export default AssetGridSection
diff --git a/apps/web/src/pages/assets/components/AssetModals.tsx b/apps/web/src/pages/assets/components/AssetModals.tsx
new file mode 100644
index 000000000..3fb4e7314
--- /dev/null
+++ b/apps/web/src/pages/assets/components/AssetModals.tsx
@@ -0,0 +1,179 @@
+/**
+ * AssetLibrary 弹窗集合
+ */
+import React from "react"
+import type { AssetItem, AssetKind } from "../types"
+import type { SmartViewType } from "./BatchMarkModal"
+import type { BatchOperationResult } from "@/api/assets"
+import CreateLibraryModal from "./CreateLibraryModal"
+import PlayModal from "./PlayModal"
+import BatchTagModal from "./BatchTagModal"
+import BatchClassifyModal from "./BatchClassifyModal"
+import BatchMarkModal from "./BatchMarkModal"
+import ResultDrawer from "./ResultDrawer"
+import UploadProgressModal from "./UploadProgressModal"
+
+export interface AssetModalsProps {
+  /* 上传进度 */
+  uploading: boolean
+  uploadProgress: number
+
+  /* 新建视频库 */
+  createModalOpen: boolean
+  onCreateModalCancel: () => void
+  onCreateModalOk: () => void
+  newLibName: string
+  onNewLibNameChange: (name: string) => void
+  newLibKind: AssetKind
+  onNewLibKindChange: (kind: AssetKind) => void
+  createLoading: boolean
+
+  /* 播放弹窗 */
+  playingAsset: AssetItem | null
+  onPlayClose: () => void
+
+  /* 批量打标签 */
+  tagModalOpen: boolean
+  selectedCount: number
+  onTagCancel: () => void
+  onTagOk: () => void
+  batchTags: string[]
+  batchTagInput: string
+  onTagInputChange: (val: string) => void
+  onTagInputKeyDown: (e: React.KeyboardEvent) => void
+  onRemoveTag: (tag: string) => void
+  tagMode: "add" | "replace"
+  onTagModeChange: (mode: "add" | "replace") => void
+  batchLoading: boolean
+
+  /* 批量改分类 */
+  classifyModalOpen: boolean
+  onClassifyCancel: () => void
+  onClassifyOk: () => void
+  batchCategory: string
+  onCategoryChange: (val: string) => void
+
+  /* 批量智能标记 */
+  markModalOpen: boolean
+  onMarkCancel: () => void
+  onMarkOk: () => void
+  batchSmartView: SmartViewType
+  onSmartViewChange: (val: SmartViewType) => void
+
+  /* 操作结果 Drawer */
+  resultDrawerOpen: boolean
+  operationTitle: string
+  operationResult: BatchOperationResult | null
+  onResultDrawerClose: () => void
+}
+
+export const AssetModals: React.FC<AssetModalsProps> = ({
+  uploading,
+  uploadProgress,
+  createModalOpen,
+  onCreateModalCancel,
+  onCreateModalOk,
+  newLibName,
+  onNewLibNameChange,
+  newLibKind,
+  onNewLibKindChange,
+  createLoading,
+  playingAsset,
+  onPlayClose,
+  tagModalOpen,
+  selectedCount,
+  onTagCancel,
+  onTagOk,
+  batchTags,
+  batchTagInput,
+  onTagInputChange,
+  onTagInputKeyDown,
+  onRemoveTag,
+  tagMode,
+  onTagModeChange,
+  batchLoading,
+  classifyModalOpen,
+  onClassifyCancel,
+  onClassifyOk,
+  batchCategory,
+  onCategoryChange,
+  markModalOpen,
+  onMarkCancel,
+  onMarkOk,
+  batchSmartView,
+  onSmartViewChange,
+  resultDrawerOpen,
+  operationTitle,
+  operationResult,
+  onResultDrawerClose,
+}) => {
+  return (
+    <>
+      {/* 上传进度弹窗 */}
+      <UploadProgressModal open={uploading} progress={uploadProgress} />
+
+      {/* 新建视频库弹窗 */}
+      <CreateLibraryModal
+        open={createModalOpen}
+        onCancel={onCreateModalCancel}
+        onOk={onCreateModalOk}
+        name={newLibName}
+        onNameChange={onNewLibNameChange}
+        kind={newLibKind}
+        onKindChange={onNewLibKindChange}
+        confirmLoading={createLoading}
+      />
+
+      {/* 视频/音频播放弹窗 */}
+      <PlayModal open={!!playingAsset} asset={playingAsset} onClose={onPlayClose} />
+
+      {/* 批量打标签弹窗 */}
+      <BatchTagModal
+        open={tagModalOpen}
+        selectedCount={selectedCount}
+        onCancel={onTagCancel}
+        onOk={onTagOk}
+        tags={batchTags}
+        onTagInputChange={onTagInputChange}
+        onTagInputKeyDown={onTagInputKeyDown}
+        onRemoveTag={onRemoveTag}
+        tagInput={batchTagInput}
+        tagMode={tagMode}
+        onTagModeChange={onTagModeChange}
+        confirmLoading={batchLoading}
+      />
+
+      {/* 批量改分类弹窗 */}
+      <BatchClassifyModal
+        open={classifyModalOpen}
+        selectedCount={selectedCount}
+        onCancel={onClassifyCancel}
+        onOk={onClassifyOk}
+        category={batchCategory}
+        onCategoryChange={onCategoryChange}
+        confirmLoading={batchLoading}
+      />
+
+      {/* 批量智能标记弹窗 */}
+      <BatchMarkModal
+        open={markModalOpen}
+        selectedCount={selectedCount}
+        onCancel={onMarkCancel}
+        onOk={onMarkOk}
+        smartView={batchSmartView}
+        onSmartViewChange={onSmartViewChange}
+        confirmLoading={batchLoading}
+      />
+
+      {/* 操作结果 Drawer */}
+      <ResultDrawer
+        open={resultDrawerOpen}
+        title={operationTitle}
+        result={operationResult}
+        onClose={onResultDrawerClose}
+      />
+    </>
+  )
+}
+
+export default AssetModals
diff --git a/apps/web/src/pages/assets/components/AssetUploadZone.tsx b/apps/web/src/pages/assets/components/AssetUploadZone.tsx
new file mode 100644
index 000000000..34f803b32
--- /dev/null
+++ b/apps/web/src/pages/assets/components/AssetUploadZone.tsx
@@ -0,0 +1,41 @@
+/**
+ * AssetLibrary 上传拖拽区域
+ */
+import React from "react"
+import { Upload } from "antd"
+import { InboxOutlined } from "@ant-design/icons"
+
+export interface AssetUploadZoneProps {
+  uploading: boolean
+  uploadProgress: number
+  onUpload: (file: File) => void
+}
+
+export const AssetUploadZone: React.FC<AssetUploadZoneProps> = ({
+  uploading,
+  onUpload,
+}) => {
+  return (
+    <Upload.Dragger
+      beforeUpload={(file) => {
+        onUpload(file as File)
+        return false
+      }}
+      showUploadList={false}
+      multiple
+      accept="video/*,image/*"
+    >
+      <div className="xx-asset-upload-zone">
+        <p className="xx-asset-upload-icon">
+          <InboxOutlined />
+        </p>
+        <p className="xx-asset-upload-text">
+          {uploading ? "上传中..." : "点击或拖拽文件到此区域上传"}
+        </p>
+        <p className="xx-asset-upload-hint">支持视频、图片，单文件不超过 2GB</p>
+      </div>
+    </Upload.Dragger>
+  )
+}
+
+export default AssetUploadZone