diff --git a/src/features/project-assets/AssetLibraryPage.vue b/src/features/project-assets/AssetLibraryPage.vue
index a3c9fb1..3de3efd 100644
--- a/src/features/project-assets/AssetLibraryPage.vue
+++ b/src/features/project-assets/AssetLibraryPage.vue
@@ -1,14 +1,21 @@
 <script setup lang="ts">
-import { computed, ref } from 'vue'
-import { RouterLink } from 'vue-router'
-import { NAlert, NButton, NInput, NSelect, NTag } from 'naive-ui'
-import { ArrowRight, RefreshCw, Search } from '@lucide/vue'
-import { AssetImage, EmptyState } from '../../components/ui'
+import { computed, reactive, ref } from 'vue'
+import { NAlert, NButton, NFormItem, NInput, NPopconfirm, NSelect, NTag } from 'naive-ui'
+import { Pencil, RefreshCw, Search, Trash2, Upload } from '@lucide/vue'
+import { AppDialog, AssetImage, EmptyState } from '../../components/ui'
+import AppForm from '../../components/ui/AppForm.vue'
 import WorkspacePage from '../../components/ui/WorkspacePage.vue'
 import { useQuery } from '../../composables/useQuery'
+import { fieldRule } from '../../lib/form-rules'
+import { errorMessage } from '../../lib/http'
+import { projectsApi } from '../projects/api'
 import { projectAssetsApi } from './api'
 import type { GlobalProjectAsset, ProjectAssetProject } from './types'
 
+/** 后端当前允许的图片格式与大小。 */
+const ACCEPTED_TYPES = new Set(['image/jpeg', 'image/png', 'image/webp'])
+const MAX_FILE_SIZE = 20 * 1024 * 1024
+const categoryPattern = /^[a-z0-9_-]+$/
 const categoryLabels: Record<string, string> = {
     overall: '综合',
     character: '人物',
@@ -19,9 +26,21 @@ const categoryLabels: Record<string, string> = {
 
 /** 全局接口一次返回全部图片及所属剧本，避免按项目产生 N 次请求。 */
 const query = useQuery(ref('all-project-assets'), (_, signal) => projectAssetsApi.listAll(signal))
+/** 上传需要列出包括尚无资产在内的全部剧本。 */
+const projectsQuery = useQuery(ref('asset-project-options'), (_, signal) => projectsApi.list(signal))
 const search = ref('')
 const projectId = ref<string | null>(null)
 const category = ref<string | null>(null)
+const busy = ref(false)
+const actionError = ref('')
+const fileError = ref('')
+const fileInput = ref<HTMLInputElement | null>(null)
+const uploadOpen = ref(false)
+const editOpen = ref(false)
+const selectedFile = ref<File | null>(null)
+const selectedAsset = ref<GlobalProjectAsset | null>(null)
+const uploadForm = reactive({ projectId: '', name: '', category: 'reference' })
+const editForm = reactive({ name: '', category: '' })
 const assets = computed(() => query.data.value ?? [])
 const projectOptions = computed(() => {
     const projects = new Map<string, ProjectAssetProject>()
@@ -30,6 +49,11 @@ const projectOptions = computed(() => {
         .toSorted((a, b) => projectName(a).localeCompare(projectName(b), 'zh-CN'))
         .map(project => ({ label: projectName(project), value: project.id }))
 })
+const uploadProjectOptions = computed(() =>
+    (projectsQuery.data.value ?? [])
+        .toSorted((a, b) => projectName(a).localeCompare(projectName(b), 'zh-CN'))
+        .map(project => ({ label: projectName(project), value: project.id }))
+)
 const categoryOptions = computed(() =>
     [...new Set(assets.value.map(asset => asset.category))]
         .toSorted()
@@ -46,8 +70,16 @@ const filteredAssets = computed(() => {
         )
     })
 })
+const formRules = {
+    projectId: fieldRule(value => typeof value === 'string' && !!value, '请选择所属剧本'),
+    name: fieldRule(value => typeof value === 'string' && !!value.trim(), '请输入素材名称'),
+    category: fieldRule(
+        value => typeof value === 'string' && categoryPattern.test(value.trim()),
+        '分类只能包含小写字母、数字、下划线和连字符'
+    )
+}
 
-function projectName(project: ProjectAssetProject) {
+function projectName(project: Pick<ProjectAssetProject, 'title' | 'topic'>) {
     return project.title?.trim() || project.topic
 }
 
@@ -67,8 +99,99 @@ function clearFilters() {
     category.value = null
 }
 
-/** 类型标记帮助模板保持后端全局资产契约。 */
-const typedAssets = computed<GlobalProjectAsset[]>(() => filteredAssets.value)
+/** 同时刷新图片与上传所需的剧本选项。 */
+async function refreshAll() {
+    await Promise.all([query.refresh(), projectsQuery.refresh()])
+}
+
+/** 先校验本地文件，再在当前页选择剧本并确认资料。 */
+function selectFile(event: Event) {
+    const input = event.target as HTMLInputElement
+    const file = input.files?.[0] ?? null
+    input.value = ''
+    fileError.value = ''
+    actionError.value = ''
+    if (!file) return
+    if (!ACCEPTED_TYPES.has(file.type)) {
+        fileError.value = '仅支持 JPEG、PNG、WebP 图片。'
+        return
+    }
+    if (!file.size || file.size > MAX_FILE_SIZE) {
+        fileError.value = '上传图片不能为空且不能超过 20MB。'
+        return
+    }
+    selectedFile.value = file
+    uploadForm.projectId = projectId.value ?? ''
+    uploadForm.name = file.name.replace(/\.[^.]+$/, '') || file.name
+    uploadForm.category = 'reference'
+    uploadOpen.value = true
+}
+
+async function uploadAsset() {
+    const file = selectedFile.value
+    if (!file || busy.value) return
+    busy.value = true
+    actionError.value = ''
+    try {
+        await projectAssetsApi.upload(uploadForm.projectId, {
+            file,
+            name: uploadForm.name.trim(),
+            category: uploadForm.category.trim()
+        })
+        uploadOpen.value = false
+        selectedFile.value = null
+        await query.refresh()
+    } catch (error) {
+        actionError.value = errorMessage(error)
+    } finally {
+        busy.value = false
+    }
+}
+
+function openEdit(asset: GlobalProjectAsset) {
+    selectedAsset.value = asset
+    editForm.name = asset.name
+    editForm.category = asset.category
+    actionError.value = ''
+    editOpen.value = true
+}
+
+async function updateAsset() {
+    const asset = selectedAsset.value
+    if (!asset || busy.value) return
+    busy.value = true
+    actionError.value = ''
+    try {
+        await projectAssetsApi.update(asset.projectId, asset.id, {
+            name: editForm.name.trim(),
+            category: editForm.category.trim()
+        })
+        editOpen.value = false
+        selectedAsset.value = null
+        await query.refresh()
+    } catch (error) {
+        actionError.value = errorMessage(error)
+    } finally {
+        busy.value = false
+    }
+}
+
+async function removeAsset() {
+    const asset = selectedAsset.value
+    if (!asset || busy.value) return
+    busy.value = true
+    actionError.value = ''
+    try {
+        await projectAssetsApi.remove(asset.projectId, asset.id)
+        editOpen.value = false
+        selectedAsset.value = null
+        await query.refresh()
+    } catch (error) {
+        actionError.value = errorMessage(error)
+    } finally {
+        busy.value = false
+    }
+}
 </script>
 
 <template>
@@ -77,24 +200,46 @@ const typedAssets = computed<GlobalProjectAsset[]>(() => filteredAssets.value)
             <div class="page-heading asset-library-heading">
                 <div>
                     <h1>资产库</h1>
-                    <p class="page-description">汇总所有剧本的人物、场景、道具和参考图片。</p>
+                    <p class="page-description">汇总并管理所有剧本的人物、场景、道具和参考图片。</p>
+                </div>
+                <div class="flex items-center gap-2">
+                    <input
+                        ref="fileInput"
+                        class="sr-only"
+                        type="file"
+                        accept="image/jpeg,image/png,image/webp"
+                        aria-label="选择全局资产图片"
+                        @change="selectFile"
+                    />
+                    <NButton
+                        type="primary"
+                        :disabled="busy || !uploadProjectOptions.length"
+                        @click="fileInput?.click()"
+                    >
+                        <template #icon><Upload :size="16" /></template>上传图片
+                    </NButton>
+                    <NButton
+                        quaternary
+                        class="icon-button"
+                        :loading="query.loading.value || projectsQuery.loading.value"
+                        aria-label="刷新资产库"
+                        title="刷新资产库"
+                        @click="refreshAll"
+                    >
+                        <template #icon><RefreshCw :size="16" /></template>
+                    </NButton>
                 </div>
-                <NButton
-                    quaternary
-                    class="icon-button"
-                    :loading="query.loading.value"
-                    aria-label="刷新资产库"
-                    title="刷新资产库"
-                    @click="query.refresh"
-                >
-                    <template #icon><RefreshCw :size="16" /></template>
-                </NButton>
             </div>
         </template>
 
+        <NAlert v-if="fileError" type="error" :show-icon="false" class="mb-4">{{ fileError }}</NAlert>
         <NAlert v-if="query.error.value" type="error" :show-icon="false" class="mb-4">
             {{ query.error.value }}<NButton text class="ml-3" @click="query.refresh">重新连接</NButton>
         </NAlert>
+        <NAlert v-if="projectsQuery.error.value" type="warning" :show-icon="false" class="mb-4">
+            剧本列表读取失败，暂时不能上传新图片。
+            <NButton text class="ml-3" @click="projectsQuery.refresh">重新读取</NButton>
+        </NAlert>
 
         <div class="asset-library-filters">
             <NInput
@@ -120,11 +265,11 @@ const typedAssets = computed<GlobalProjectAsset[]>(() => filteredAssets.value)
                 :options="categoryOptions"
                 aria-label="筛选资产分类"
             />
-            <span class="text-xs text-muted">{{ typedAssets.length }} / {{ assets.length }} 张</span>
+            <span class="text-xs text-muted">{{ filteredAssets.length }} / {{ assets.length }} 张</span>
         </div>
 
-        <div v-if="typedAssets.length" class="asset-library-grid">
-            <article v-for="asset in typedAssets" :key="asset.id" class="asset-library-card">
+        <div v-if="filteredAssets.length" class="asset-library-grid">
+            <article v-for="asset in filteredAssets" :key="asset.id" class="asset-library-card">
                 <AssetImage :src="asset.publicUrl" :alt="asset.name" preview class="asset-library-image" />
                 <div class="asset-library-card-content">
                     <div class="flex min-w-0 items-start justify-between gap-2">
@@ -140,15 +285,9 @@ const typedAssets = computed<GlobalProjectAsset[]>(() => filteredAssets.value)
                         <span class="text-[11px] text-muted">
                             {{ asset.extension.toUpperCase() }} · {{ formatBytes(asset.size) }}
                         </span>
-                        <RouterLink
-                            v-slot="{ href, navigate }"
-                            :to="`/projects/${encodeURIComponent(asset.projectId)}/assets`"
-                            custom
-                        >
-                            <NButton tag="a" :href="href" text size="small" type="primary" @click="navigate">
-                                管理<template #icon><ArrowRight :size="14" /></template>
-                            </NButton>
-                        </RouterLink>
+                        <NButton text size="small" type="primary" :disabled="busy" @click="openEdit(asset)">
+                            <template #icon><Pencil :size="14" /></template>管理
+                        </NButton>
                     </div>
                 </div>
             </article>
@@ -157,14 +296,72 @@ const typedAssets = computed<GlobalProjectAsset[]>(() => filteredAssets.value)
         <EmptyState
             v-else-if="query.data.value"
             :title="assets.length ? '没有匹配的图片' : '资产库还是空的'"
-            :description="assets.length ? '调整搜索、剧本或分类筛选。' : '进入剧本资产库上传图片后，会自动汇总到这里。'"
+            :description="assets.length ? '调整搜索、剧本或分类筛选。' : '选择剧本并上传第一张图片。'"
         >
             <NButton v-if="assets.length" @click="clearFilters">清除筛选</NButton>
-            <RouterLink v-else v-slot="{ href, navigate }" to="/projects" custom>
-                <NButton tag="a" :href="href" type="primary" @click="navigate">前往我的剧本</NButton>
-            </RouterLink>
+            <NButton v-else type="primary" :disabled="!uploadProjectOptions.length" @click="fileInput?.click()">
+                上传第一张图片
+            </NButton>
         </EmptyState>
         <p v-else class="py-10 text-center text-sm text-muted" role="status">正在读取全部资产图片…</p>
+
+        <AppDialog
+            v-model:open="uploadOpen"
+            title="上传资产图片"
+            description="选择所属剧本并确认名称和分类，提交后仍停留在当前资产库。"
+            :busy="busy"
+        >
+            <NAlert v-if="actionError" type="error" :show-icon="false" class="mt-5">{{ actionError }}</NAlert>
+            <AppForm :model="uploadForm" :rules="formRules" :disabled="busy" class="mt-5" @submit="uploadAsset">
+                <p class="mb-4 text-sm">{{ selectedFile?.name }} · {{ formatBytes(selectedFile?.size ?? 0) }}</p>
+                <NFormItem path="projectId" label="所属剧本">
+                    <NSelect v-model:value="uploadForm.projectId" filterable :options="uploadProjectOptions" />
+                </NFormItem>
+                <NFormItem path="name" label="素材名称"><NInput v-model:value="uploadForm.name" /></NFormItem>
+                <NFormItem path="category" label="分类标识">
+                    <NInput v-model:value="uploadForm.category" placeholder="例如 character、scene、prop" />
+                </NFormItem>
+                <div class="mt-4 flex justify-end gap-3">
+                    <NButton :disabled="busy" @click="uploadOpen = false">取消</NButton>
+                    <NButton type="primary" attr-type="submit" :loading="busy">确认上传</NButton>
+                </div>
+            </AppForm>
+        </AppDialog>
+
+        <AppDialog
+            v-model:open="editOpen"
+            title="管理素材信息"
+            description="可在当前页面修改名称和分类，或删除素材文件。"
+            :busy="busy"
+        >
+            <NAlert v-if="actionError" type="error" :show-icon="false" class="mt-5">{{ actionError }}</NAlert>
+            <AppForm :model="editForm" :rules="formRules" :disabled="busy" class="mt-5" @submit="updateAsset">
+                <NFormItem label="所属剧本">
+                    <NInput :value="selectedAsset ? projectName(selectedAsset.project) : ''" disabled />
+                </NFormItem>
+                <NFormItem path="name" label="素材名称"><NInput v-model:value="editForm.name" /></NFormItem>
+                <NFormItem path="category" label="分类标识"><NInput v-model:value="editForm.category" /></NFormItem>
+                <div class="mt-4 flex items-center justify-between gap-3">
+                    <NPopconfirm
+                        :positive-button-props="{ disabled: busy }"
+                        positive-text="确认删除"
+                        negative-text="取消"
+                        @positive-click="removeAsset"
+                    >
+                        <template #trigger>
+                            <NButton class="text-danger" :disabled="busy">
+                                <template #icon><Trash2 :size="14" /></template>删除素材
+                            </NButton>
+                        </template>
+                        删除后物理文件也会移除；正在被视觉风格引用的素材会由后端阻止删除。
+                    </NPopconfirm>
+                    <div class="flex gap-3">
+                        <NButton :disabled="busy" @click="editOpen = false">取消</NButton>
+                        <NButton type="primary" attr-type="submit" :loading="busy">保存修改</NButton>
+                    </div>
+                </div>
+            </AppForm>
+        </AppDialog>
     </WorkspacePage>
 </template>
 
@@ -197,6 +394,9 @@ const typedAssets = computed<GlobalProjectAsset[]>(() => filteredAssets.value)
     }
 }
 @container asset-library (max-width: 560px) {
+    .asset-library-heading {
+        @apply items-start;
+    }
     .asset-library-filters {
         @apply grid-cols-1;
     }
diff --git a/tests/features/project-assets/library.test.ts b/tests/features/project-assets/library.test.ts
index 6e489a4..cf34569 100644
--- a/tests/features/project-assets/library.test.ts
+++ b/tests/features/project-assets/library.test.ts
@@ -13,44 +13,48 @@ afterEach(() => {
 
 describe('全局资产库', () => {
     it('单次读取并直接显示全部剧本图片，支持按图片与剧本搜索', async () => {
-        const fetcher = vi.fn<typeof fetch>().mockResolvedValue(
-            new Response(
-                JSON.stringify({
-                    data: [
-                        {
-                            id: 'asset-scene',
-                            projectId: 'project-one',
-                            name: '雨夜街道',
-                            type: 'image',
-                            category: 'scene',
-                            mimeType: 'image/png',
-                            extension: 'png',
-                            size: 4096,
-                            publicUrl: '/storage/scene.png',
-                            metadata: null,
-                            createdAt: '2026-09-22T00:00:00Z',
-                            updatedAt: '2026-09-22T00:00:00Z',
-                            project: { id: 'project-one', title: '记忆当铺', topic: '记忆交易', status: 'completed' }
-                        },
-                        {
-                            id: 'asset-character',
-                            projectId: 'project-two',
-                            name: '林默正面照',
-                            type: 'image',
-                            category: 'character',
-                            mimeType: 'image/jpeg',
-                            extension: 'jpg',
-                            size: 8192,
-                            publicUrl: '/storage/character.jpg',
-                            metadata: null,
-                            createdAt: '2026-09-22T01:00:00Z',
-                            updatedAt: '2026-09-22T01:00:00Z',
-                            project: { id: 'project-two', title: '天降甘霖', topic: '乡村故事', status: 'completed' }
-                        }
-                    ]
-                })
-            )
-        )
+        const assets = [
+            {
+                id: 'asset-scene',
+                projectId: 'project-one',
+                name: '雨夜街道',
+                type: 'image',
+                category: 'scene',
+                mimeType: 'image/png',
+                extension: 'png',
+                size: 4096,
+                publicUrl: '/storage/scene.png',
+                metadata: null,
+                createdAt: '2026-09-22T00:00:00Z',
+                updatedAt: '2026-09-22T00:00:00Z',
+                project: { id: 'project-one', title: '记忆当铺', topic: '记忆交易', status: 'completed' }
+            },
+            {
+                id: 'asset-character',
+                projectId: 'project-two',
+                name: '林默正面照',
+                type: 'image',
+                category: 'character',
+                mimeType: 'image/jpeg',
+                extension: 'jpg',
+                size: 8192,
+                publicUrl: '/storage/character.jpg',
+                metadata: null,
+                createdAt: '2026-09-22T01:00:00Z',
+                updatedAt: '2026-09-22T01:00:00Z',
+                project: { id: 'project-two', title: '天降甘霖', topic: '乡村故事', status: 'completed' }
+            }
+        ]
+        const projects = assets.map(asset => ({
+            ...asset.project,
+            style: null,
+            createdAt: '',
+            updatedAt: ''
+        }))
+        const fetcher = vi.fn<typeof fetch>().mockImplementation(async input => {
+            const url = String(input)
+            return new Response(JSON.stringify({ data: url.endsWith('/projects') ? projects : assets }))
+        })
         vi.stubGlobal('fetch', fetcher)
         const router = createRouter({
             history: createMemoryHistory(),
@@ -63,13 +67,21 @@ describe('全局资产库', () => {
         wrapper = mount(AssetLibraryPage, { attachTo: document.body, global: { plugins: [router] } })
         await flushPromises()
 
-        expect(fetcher).toHaveBeenCalledOnce()
+        expect(fetcher).toHaveBeenCalledTimes(2)
         expect(fetcher).toHaveBeenCalledWith('/api/assets', expect.objectContaining({ method: 'GET' }))
         expect(wrapper.findAll('.asset-library-card')).toHaveLength(2)
         expect(wrapper.text()).toContain('雨夜街道')
         expect(wrapper.text()).toContain('林默正面照')
         expect(wrapper.text()).toContain('记忆当铺')
 
+        await wrapper
+            .findAll('button')
+            .find(button => button.text() === '管理')!
+            .trigger('click')
+        await flushPromises()
+        expect(document.querySelector('[role="dialog"][aria-label="管理素材信息"]')).not.toBeNull()
+        expect(router.currentRoute.value.path).toBe('/assets')
+
         await wrapper.get('input[aria-label="搜索资产图片"]').setValue('天降甘霖')
         expect(wrapper.findAll('.asset-library-card')).toHaveLength(1)
         expect(wrapper.text()).toContain('林默正面照')