diff --git a/frontend/src/components/canvas/CanvasNodeView.vue b/frontend/src/components/canvas/CanvasNodeView.vue
index e151fe1..801149d 100644
--- a/frontend/src/components/canvas/CanvasNodeView.vue
+++ b/frontend/src/components/canvas/CanvasNodeView.vue
@@ -24,7 +24,7 @@ const editing = ref(false)
 
 let imgController = null
 async function loadSrc() {
-  if (props.node.type !== 'image' || !props.node.src) return
+  if (!['image', 'video'].includes(props.node.type) || !props.node.src) return
   imgController?.abort()
   imgController = new AbortController()
   imgLoaded.value = false
@@ -79,6 +79,19 @@ function onImgLoad(e) {
     })
   }
 }
+function onVidMeta(e) {
+  imgLoaded.value = true
+  imgBroken.value = false
+  const v = e.target
+  if (v.videoWidth && v.videoHeight) {
+    const long = Math.max(v.videoWidth, v.videoHeight)
+    const k = 512 / long
+    emit('imgload', {
+      w: Math.round(v.videoWidth * k),
+      h: Math.round(v.videoHeight * k),
+    })
+  }
+}
 
 function startEdit() {
   if (props.node.type !== 'note') return
@@ -164,6 +177,23 @@ defineExpose({ startEdit, commitNote })
       <div v-if="node.prompt" class="cv-node__cap" :title="node.prompt">{{ node.prompt }}</div>
     </template>
 
+    <!-- 视频节点 -->
+    <template v-else-if="node.type === 'video'">
+      <video
+        v-if="!imgBroken && imgBlob"
+        class="cv-node__img"
+        :src="imgBlob"
+        controls
+        muted
+        loop
+        playsinline
+        @loadedmetadata="onVidMeta"
+        @error="imgBroken = true"
+      />
+      <div v-else class="cv-node__missing">{{ imgBroken ? '视频不可用' : '加载中…' }}<small v-if="imgStatus">HTTP {{ imgStatus }}</small></div>
+      <div v-if="node.prompt" class="cv-node__cap" :title="node.prompt">{{ node.prompt }}</div>
+    </template>
+
     <!-- 笔记节点 -->
     <div
       v-else-if="node.type === 'note'"
diff --git a/frontend/src/utils/canvas.js b/frontend/src/utils/canvas.js
index dde948c..33d564f 100644
--- a/frontend/src/utils/canvas.js
+++ b/frontend/src/utils/canvas.js
@@ -97,7 +97,7 @@ export function normalizeDoc(raw) {
       if (!n || typeof n.id !== 'string' || ids.has(n.id)) continue
       if (!Number.isFinite(n.x) || !Number.isFinite(n.y)) continue
       if (!Number.isFinite(n.w) || n.w <= 0 || !Number.isFinite(n.h) || n.h <= 0) continue
-      const type = n.type === 'note' || n.type === 'gen' ? n.type : 'image'
+      const type = ['note', 'gen', 'video'].includes(n.type) ? n.type : 'image'
       const node = {
         id: n.id,
         type,
@@ -108,9 +108,9 @@ export function normalizeDoc(raw) {
         z: Number.isFinite(n.z) ? n.z : 0,
       }
       if (type === 'note') node.text = typeof n.text === 'string' ? n.text.slice(0, 4000) : ''
-      if (type === 'image') {
+      if (type === 'image' || type === 'video') {
         node.src = typeof n.src === 'string' ? n.src.slice(0, 500) : ''
-        if (!node.src) continue // 图片节点必须有 src
+        if (!node.src) continue // 媒体节点必须有 src
         if (typeof n.prompt === 'string') node.prompt = n.prompt.slice(0, 2000)
         if (typeof n.model === 'string') node.model = n.model.slice(0, 120)
       }
diff --git a/frontend/src/views/CanvasView.vue b/frontend/src/views/CanvasView.vue
index a8ea307..084dc87 100644
--- a/frontend/src/views/CanvasView.vue
+++ b/frontend/src/views/CanvasView.vue
@@ -26,27 +26,33 @@ const previewSrc = ref('')
 
 // ---- 生成面板 ----
 const allModels = ref([])
-const gen = reactive({ modelId: '', prompt: '', ratio: '', resolution: '', count: 1 })
+const gen = reactive({ kind: 'image', modelId: '', prompt: '', ratio: '', resolution: '', duration: '', count: 1 })
 const runningGens = ref(0)
 const genBusy = computed(() => runningGens.value > 0)
 const genMsg = ref('')
-const imageModels = computed(() =>
-  (allModels.value || []).filter((m) => m.enabled !== false && m.type === 'image'),
+const kindModels = computed(() =>
+  (allModels.value || []).filter((m) => m.enabled !== false && m.type === gen.kind),
 )
-const model = computed(() => imageModels.value.find((m) => m.id === gen.modelId) || null)
+const model = computed(() => kindModels.value.find((m) => m.id === gen.modelId) || null)
 const ratios = computed(() => model.value?.ratios?.length ? model.value.ratios : ['1:1'])
 const resolutions = computed(() => model.value?.resolutions?.length
   ? model.value.resolutions
   : Object.keys(model.value?.prices || {}))
+const durations = computed(() => model.value?.durations?.length ? model.value.durations : ['5s'])
 const maxRefs = computed(() => Math.min(8, Math.max(
   Number(model.value?.max_reference_images || 0), model.value?.image_to_image ? 1 : 0,
 )))
-// 换模型时重置参数默认值(和画图台一致)
+// 换类型/模型时重置参数默认值(和画图台一致)
+watch(() => gen.kind, () => {
+  const first = kindModels.value[0]
+  gen.modelId = first?.id || ''
+})
 watch(model, (m) => {
   if (!m) return
   gen.ratio = m.ratios?.[0] || '1:1'
   const res = m.resolutions?.length ? m.resolutions : Object.keys(m.prices || {})
   gen.resolution = res[0] || '1K'
+  gen.duration = m.durations?.[0] || '5s'
 })
 const selectedNotes = computed(() =>
   selectionIds.value
@@ -551,7 +557,7 @@ async function generate() {
   }
   genMsg.value = ''
 
-  const n = Math.max(1, Math.min(4, Number(gen.count) || 1))
+  const n = gen.kind === 'image' ? Math.max(1, Math.min(4, Number(gen.count) || 1)) : 1
   const size = ratioToSize(gen.ratio || ratios.value[0])
   const sources = [...selectedNotes.value]
   // 落点:参与源节点的包围盒右侧;无源则视口中心。多张时横向排开。
@@ -599,6 +605,7 @@ async function runGeneration(node, prompt) {
       model: gen.modelId, prompt, ratio: gen.ratio || ratios.value[0],
       resolution: gen.resolution || resolutions.value[0] || '1K',
     }
+    if (gen.kind === 'video') payload.duration = gen.duration || durations.value[0]
     if (refImages.value.length) {
       payload.reference_images = refImages.value.map((r) => r.dataUrl.replace(/^data:[^,]*,/, ''))
     }
@@ -606,7 +613,7 @@ async function runGeneration(node, prompt) {
     opts.headers['Idempotency-Key'] = node.id
     const r = await api('/generate', opts)
     if (r.ok && r.data?.url) {
-      node.type = 'image'
+      node.type = gen.kind === 'video' ? 'video' : 'image'
       node.src = r.data.url.replace(/^\/images\//, '')
       node.prompt = prompt
       node.model = model.value?.alias || model.value?.name || model.value?.id
@@ -746,7 +753,7 @@ onMounted(async () => {
   document.addEventListener('visibilitychange', onVisibility)
   const mm = await api('/managed-models')
   allModels.value = mm.data?.data || []
-  const first = imageModels.value[0]
+  const first = kindModels.value[0]
   if (first) {
     gen.modelId = first.id
     gen.ratio = (first.ratios && first.ratios[0]) || '1:1'
@@ -874,44 +881,54 @@ const saveLabel = computed(() => ({
               placeholder="描述你要生成的画面…(留空则使用选中的笔记)"
             />
             <div class="cv-composer__bar">
+              <select v-model="gen.kind" class="cv-composer__sel" title="生成类型">
+                <option value="image">生图</option>
+                <option value="video">生视频</option>
+              </select>
               <select
-                v-if="imageModels.length"
+                v-if="kindModels.length"
                 v-model="gen.modelId"
-                class="cv-composer__sel"
+                class="cv-composer__sel cv-composer__sel--model"
                 title="生成模型"
               >
-                <option v-for="m in imageModels" :key="m.id" :value="m.id">
+                <option v-for="m in kindModels" :key="m.id" :value="m.id">
                   {{ m.alias || m.name || m.id }}
                 </option>
               </select>
               <select
-                v-if="resolutions.length > 1"
+                v-if="model && ratios.length"
+                v-model="gen.ratio"
+                class="cv-composer__sel"
+                title="比例"
+              >
+                <option v-for="r in ratios" :key="r" :value="r">{{ r }}</option>
+              </select>
+              <select
+                v-if="gen.kind === 'image' && model && resolutions.length"
                 v-model="gen.resolution"
                 class="cv-composer__sel"
                 title="画质"
               >
                 <option v-for="r in resolutions" :key="r" :value="r">{{ r }}</option>
               </select>
-              <div v-if="!imageModels.length" class="cv-nomodels">⚠ 还没有可用的图像模型,请到管理后台添加</div>
-              <div class="cv-ratios" title="比例">
-                <button
-                  v-for="r in ratios"
-                  :key="r"
-                  type="button"
-                  class="cv-chip"
-                  :class="{ 'is-on': gen.ratio === r }"
-                  @click="gen.ratio = r"
-                >{{ r }}</button>
-              </div>
-              <div class="cv-ratios" title="生成张数">
-                <button
-                  v-for="n in [1, 2, 3, 4]"
-                  :key="n"
-                  type="button"
-                  class="cv-chip"
-                  :class="{ 'is-on': gen.count === n }"
-                  @click="gen.count = n"
-                >{{ n }}张</button>
+              <select
+                v-if="gen.kind === 'video' && model && durations.length"
+                v-model="gen.duration"
+                class="cv-composer__sel"
+                title="时长"
+              >
+                <option v-for="d in durations" :key="d" :value="d">{{ d }}</option>
+              </select>
+              <select
+                v-if="gen.kind === 'image'"
+                v-model.number="gen.count"
+                class="cv-composer__sel"
+                title="生成张数"
+              >
+                <option v-for="n in [1, 2, 3, 4]" :key="n" :value="n">{{ n }}张</option>
+              </select>
+              <div v-if="!kindModels.length" class="cv-nomodels">
+                ⚠ 还没有可用的{{ gen.kind === 'video' ? '视频' : '图像' }}模型
               </div>
               <button class="cv-gen" :disabled="genBusy || !model" @click="generate">
                 {{ genBusy ? '生成中…' : '生成' }}
@@ -1283,6 +1300,10 @@ const saveLabel = computed(() => ({
 .cv-composer__sel:focus {
   border-color: rgb(124 92 252 / 0.6);
 }
+.cv-composer__sel--model {
+  flex: 1;
+  min-width: 130px;
+}
 .cv-composer__bar .cv-gen {
   margin-left: auto;
   padding: 7px 24px;