diff --git a/.memory/worklog.json b/.memory/worklog.json
index 1f007fb..1518221 100644
--- a/.memory/worklog.json
+++ b/.memory/worklog.json
@@ -1,12 +1,5 @@
 {
   "entries": [
-    {
-      "files_changed": 3,
-      "hash": "3e7c165",
-      "message": "fix: snap workbench scale to common sizes",
-      "ts": "2026-05-20T19:47:26+08:00",
-      "type": "commit"
-    },
     {
       "files_changed": 1,
       "hash": "b4f5612",
@@ -3197,6 +3190,13 @@
       "message": "auto-save 2026-05-27 17:24 (~4)",
       "hash": "fb939b8",
       "files_changed": 4
+    },
+    {
+      "ts": "2026-05-27T17:29:45+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-27 17:29 (~3)",
+      "hash": "6ac548a",
+      "files_changed": 3
     }
   ]
 }
diff --git a/web/canvas-app/src/components/nodes/VideoConfigNode.vue b/web/canvas-app/src/components/nodes/VideoConfigNode.vue
index b8aa0e5..f6dae07 100644
--- a/web/canvas-app/src/components/nodes/VideoConfigNode.vue
+++ b/web/canvas-app/src/components/nodes/VideoConfigNode.vue
@@ -40,7 +40,7 @@
         <!-- Model selector | 模型选择 -->
         <div class="flex items-center justify-between">
           <span class="text-xs text-[var(--text-secondary)]">模型</span>
-          <n-dropdown :options="modelOptions" @select="handleModelSelect">
+          <n-dropdown trigger="click" :options="modelOptions" @select="handleModelSelect">
             <button class="flex items-center gap-1 text-sm text-[var(--text-primary)] hover:text-[var(--accent-color)]">
               {{ displayModelName }}
               <n-icon :size="12"><ChevronDownOutline /></n-icon>
@@ -51,7 +51,7 @@
         <!-- Aspect ratio selector | 宽高比选择 -->
         <div class="flex items-center justify-between">
           <span class="text-xs text-[var(--text-secondary)]">比例</span>
-          <n-dropdown :options="ratioOptions" @select="handleRatioSelect">
+          <n-dropdown trigger="click" :options="ratioOptions" @select="handleRatioSelect">
             <button class="flex items-center gap-1 text-sm text-[var(--text-primary)] hover:text-[var(--accent-color)]">
               {{ localRatio }}
               <n-icon :size="12">
@@ -64,7 +64,7 @@
         <!-- Duration selector | 时长选择 -->
         <div class="flex items-center justify-between">
           <span class="text-xs text-[var(--text-secondary)]">时长</span>
-          <n-dropdown :options="durationOptions" @select="handleDurationSelect">
+          <n-dropdown trigger="click" :options="durationOptions" @select="handleDurationSelect">
             <button class="flex items-center gap-1 text-sm text-[var(--text-primary)] hover:text-[var(--accent-color)]">
               {{ localDuration }}s
               <n-icon :size="12">
diff --git a/web/canvas-app/src/stores/models.js b/web/canvas-app/src/stores/models.js
index 32e81a8..4f48db0 100644
--- a/web/canvas-app/src/stores/models.js
+++ b/web/canvas-app/src/stores/models.js
@@ -122,7 +122,7 @@ export const getModelQualityOptions = (modelKey) => {
  * Returns options based on model's ratios array
  */
 export const getModelRatioOptions = (modelKey) => {
-  const model = VIDEO_MODELS.find(m => m.key === modelKey)
+  const model = getModelConfig(modelKey) || VIDEO_MODELS.find(m => m.key === modelKey)
   if (!model?.ratios) return VIDEO_RATIO_OPTIONS
   
   // Convert ratios array to dropdown options | 转换 ratios 数组为下拉选项
@@ -137,7 +137,7 @@ export const getModelRatioOptions = (modelKey) => {
  * Returns options based on model's durs array
  */
 export const getModelDurationOptions = (modelKey) => {
-  const model = VIDEO_MODELS.find(m => m.key === modelKey)
+  const model = getModelConfig(modelKey) || VIDEO_MODELS.find(m => m.key === modelKey)
   if (!model?.durs) return VIDEO_DURATION_OPTIONS
 
   // durs is already in { label, key } format | durs 已经是 { label, key } 格式
diff --git a/web/canvas-app/src/stores/pinia/models.js b/web/canvas-app/src/stores/pinia/models.js
index cbdb60d..29087a8 100644
--- a/web/canvas-app/src/stores/pinia/models.js
+++ b/web/canvas-app/src/stores/pinia/models.js
@@ -139,6 +139,45 @@ const normalizeRuntimeImageModel = (item) => {
   }
 }
 
+const normalizeRuntimeDurationOptions = (items = []) => {
+  if (!Array.isArray(items)) return []
+  return items
+    .map(item => {
+      const key = typeof item === 'object' ? item?.value || item?.key || item?.id : item
+      if (!key) return null
+      return {
+        label: typeof item === 'object' ? item.label || `${key} 秒` : `${key} 秒`,
+        key
+      }
+    })
+    .filter(Boolean)
+}
+
+const normalizeRuntimeVideoModel = (item) => {
+  const key = item?.id || item?.model
+  if (!key) return null
+  const sizeOptions = normalizeRuntimeSizeOptions(item.size_options)
+  const durationOptions = normalizeRuntimeDurationOptions(item.duration_options)
+  return {
+    label: item.label || item.model || key,
+    key,
+    provider: ['chatfire'],
+    type: 't2v+i2v',
+    model: item.model,
+    ratios: sizeOptions.map(option => option.key),
+    durs: durationOptions,
+    resolutions: ['720p'],
+    defaultResolution: '720p',
+    defaultParams: {
+      ratio: sizeOptions[0]?.key || '720x1280',
+      duration: durationOptions[0]?.key || 5,
+      resolution: '720p'
+    },
+    available: item.available !== false,
+    isRuntime: true
+  }
+}
+
 const mergeModels = (builtInModels, runtimeModels) => {
   const byKey = new Map()
   builtInModels.forEach(model => byKey.set(model.key, { ...model, isCustom: false }))
@@ -206,6 +245,7 @@ export const useModelStore = defineStore('model', () => {
   const customImageModelsByProvider = ref(getStoredJson(STORAGE_KEYS.CUSTOM_IMAGE_MODELS_BY_PROVIDER, {}))
   const customVideoModelsByProvider = ref(getStoredJson(STORAGE_KEYS.CUSTOM_VIDEO_MODELS_BY_PROVIDER, {}))
   const runtimeImageModels = ref([])
+  const runtimeVideoModels = ref([])
 
   // 选中的模型
   const selectedChatModel = ref(getStored(STORAGE_KEYS.SELECTED_CHAT_MODEL, DEFAULT_CHAT_MODEL))
@@ -259,7 +299,7 @@ export const useModelStore = defineStore('model', () => {
   )
 
   const allVideoModels = computed(() =>
-    VIDEO_MODELS.map(m => ({ ...m, isCustom: false }))
+    mergeModels(VIDEO_MODELS, runtimeVideoModels.value)
   )
 
   // ============ Computed: Available Models (filtered by provider) ============
@@ -274,7 +314,7 @@ export const useModelStore = defineStore('model', () => {
   )
 
   const availableVideoModels = computed(() =>
-    allVideoModels.value.filter(m => isModelSupported(m, currentProvider.value))
+    allVideoModels.value.filter(m => isModelSupported(m, currentProvider.value) && m.available !== false)
   )
 
   // ============ Computed: Model Options for UI (all models, not filtered by provider) ============
@@ -291,7 +331,8 @@ export const useModelStore = defineStore('model', () => {
   const allVideoModelOptions = computed(() =>
     allVideoModels.value.map(m => ({
       label: m.label,
-      key: m.key
+      key: m.key,
+      disabled: false
     }))
   )
 
@@ -399,6 +440,15 @@ export const useModelStore = defineStore('model', () => {
         .filter(item => item?.id && item.id !== 'auto')
         .map(normalizeRuntimeImageModel)
         .filter(Boolean)
+      const videoOptions = data?.models?.video_options || []
+      runtimeVideoModels.value = videoOptions
+        .filter(item => {
+          const id = String(item?.id || '').toLowerCase()
+          const model = String(item?.model || '').toLowerCase()
+          return id.includes('seedance') || model.includes('seedance')
+        })
+        .map(normalizeRuntimeVideoModel)
+        .filter(Boolean)
       return true
     } catch (err) {
       console.warn('[model store] runtime model load failed', err)
@@ -564,6 +614,7 @@ export const useModelStore = defineStore('model', () => {
     allImageModels,
     allVideoModels,
     runtimeImageModels,
+    runtimeVideoModels,
 
     // Available models filtered by provider
     availableChatModels,