diff --git a/components/multimodal-input.tsx b/components/multimodal-input.tsx
index 87de8b00d..f92b5c3b0 100644
--- a/components/multimodal-input.tsx
+++ b/components/multimodal-input.tsx
@@ -14,6 +14,7 @@ type DynamicModel = {
   providerType?: string;
   supportsVision: boolean;
   supportsImageGen?: boolean;
+  isMultimodal?: boolean;
   isDefault: boolean;
   providerName: string;
   isSubModel?: boolean; // 🆕 是否为子模型
@@ -1594,7 +1595,7 @@ function PureModelSelectorCompact({
     
     // 优先选择支持视觉的模型（如果有附件）
     if (hasAttachments) {
-      const visionModel = dynamicModels.find((m) => m.supportsVision);
+      const visionModel = dynamicModels.find((m) => m.supportsVision || m.isMultimodal);
       if (visionModel) return visionModel;
     }
     
diff --git a/lib/ai/model-router.ts b/lib/ai/model-router.ts
index 85e61645d..8b9cdfb51 100644
--- a/lib/ai/model-router.ts
+++ b/lib/ai/model-router.ts
@@ -5,6 +5,8 @@
  * 核心逻辑：图片编辑场景优先使用 alibaba-image (灵魂4.5)
  */
 
+import { isAiModelMultimodal } from "@/lib/db/ai-model-flags";
+
 // 使用动态导入避免循环依赖
 // import { getEnabledAiModelsWithProvider } from "@/lib/db/queries";
 
@@ -17,6 +19,14 @@ export interface RouteResult {
   reason: string;
 }
 
+function hasVisionCapability(model: {
+  supportsVision?: boolean | null;
+  capabilities?: unknown;
+  defaultParams?: unknown;
+}) {
+  return Boolean(model.supportsVision) || isAiModelMultimodal(model);
+}
+
 // 意图到模型的映射配置
 // providerTypes 按优先级排序，第一个是首选
 const INTENT_MODEL_MAP: Record<
@@ -144,7 +154,7 @@ export async function routeToModel(params: {
 
     if (configuredModel) {
       const isImageIntent = intent === "image_edit" || intent === "image_gen";
-      const matchesVision = !config.requireVision || configuredModel.model.supportsVision;
+      const matchesVision = !config.requireVision || hasVisionCapability(configuredModel.model);
       const matchesImageGen = !config.requireImageGen || configuredModel.model.supportsImageGen;
       const allowImageIntentWithImageGenOnly =
         isImageIntent && configuredModel.model.supportsImageGen;
@@ -181,7 +191,7 @@ export async function routeToModel(params: {
       if (m.provider.type !== providerType) return false;
 
       // 检查能力要求
-      if (config.requireVision && !m.model.supportsVision) return false;
+      if (config.requireVision && !hasVisionCapability(m.model)) return false;
       if (config.requireImageGen && !m.model.supportsImageGen) return false;
 
       // 排除子模型（只选主模型）
diff --git a/lib/ai/smart-analyzer.ts b/lib/ai/smart-analyzer.ts
index 2ffcf35f5..bd1c0c01c 100644
--- a/lib/ai/smart-analyzer.ts
+++ b/lib/ai/smart-analyzer.ts
@@ -681,6 +681,7 @@ async function summarizeWithVolcanoOfficialApi(params: {
   baseUrl: string;
   promptText: string;
   imageUrls: string[];
+  modelId?: string;
 }): Promise<string | null> {
   const endpoint = normalizeVolcanoResponsesEndpoint(params.baseUrl);
   const rewrittenUrls = await Promise.all(
@@ -695,7 +696,7 @@ async function summarizeWithVolcanoOfficialApi(params: {
         Authorization: `Bearer ${params.apiKey}`,
       },
       body: JSON.stringify({
-        model: "doubao-seed-2-0-pro-260215",
+        model: String(params.modelId || "").trim() || "doubao-seed-2-0-pro-260215",
         input: [
           {
             role: "user",
@@ -737,6 +738,91 @@ async function summarizeWithVolcanoOfficialApi(params: {
   return null;
 }
 
+async function analyzeWithVolcanoOfficialApi(params: {
+  apiKey: string;
+  baseUrl: string;
+  userMessage: string;
+  imageUrls: string[];
+  userText: string;
+  hasImage: boolean;
+  modelId?: string;
+}): Promise<AnalysisResult | null> {
+  const endpoint = normalizeVolcanoResponsesEndpoint(params.baseUrl);
+  const rewrittenUrls = (
+    await Promise.all(
+      params.imageUrls.map((url) => rewriteUploadPublicUrlForVolcanoSummary(url)),
+    )
+  )
+    .filter((url) => isHttpUrl(url))
+    .slice(0, ANALYZER_MAX_IMAGE_COUNT);
+
+  if (rewrittenUrls.length === 0) return null;
+
+  try {
+    const response = await fetch(endpoint, {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+        Authorization: `Bearer ${params.apiKey}`,
+      },
+      body: JSON.stringify({
+        model: String(params.modelId || "").trim() || "doubao-seed-2-0-pro-260215",
+        input: [
+          {
+            role: "system",
+            content: [
+              {
+                type: "input_text",
+                text: ANALYZER_SYSTEM_PROMPT,
+              },
+            ],
+          },
+          {
+            role: "user",
+            content: [
+              {
+                type: "input_text",
+                text: params.userMessage,
+              },
+              ...rewrittenUrls.map((url) => ({ type: "input_image", image_url: url })),
+            ],
+          },
+        ],
+      }),
+    });
+
+    const payload = await response.json().catch(() => ({}));
+    if (!response.ok || payload?.error) {
+      return null;
+    }
+
+    const directText = String(payload?.output_text || "").trim();
+    const output = Array.isArray(payload?.output) ? payload.output : [];
+    const chunks: string[] = [];
+    for (const item of output) {
+      const content = Array.isArray(item?.content) ? item.content : [];
+      for (const part of content) {
+        if (typeof part?.text === "string" && part.text.trim()) {
+          chunks.push(part.text.trim());
+        } else if (typeof part?.output_text === "string" && part.output_text.trim()) {
+          chunks.push(part.output_text.trim());
+        }
+      }
+    }
+
+    const responseText = directText || chunks.join("\n").trim();
+    if (!responseText) return null;
+
+    return parseAnalysisResultFromModelText(
+      responseText,
+      params.userText,
+      params.hasImage,
+    );
+  } catch {
+    return null;
+  }
+}
+
 function normalizeZhipuChatEndpoint(baseUrl: string): string {
   const cleaned = baseUrl.replace(/\/+$/, "");
   if (/\/chat\/completions$/i.test(cleaned)) return cleaned;
@@ -1137,6 +1223,7 @@ export async function summarizeImageForExecutionReport(params: {
       baseUrl: volcanoProvider.baseUrl,
       promptText,
       imageUrls: (imageUrls || []).filter((url) => isHttpUrl(url)).slice(0, ANALYZER_MAX_IMAGE_COUNT),
+      modelId: agentModel?.model?.modelId,
     });
     if (summary) return await finalizeVisualSummary(summary);
   }
@@ -1339,9 +1426,11 @@ function isLikelyVisionCapableModel(modelWithProvider: {
   const model = modelWithProvider.model;
   const providerType = String(modelWithProvider.provider?.type || "");
   if (!model?.isEnabled || model.isSubModel) return false;
+  if (isAiModelMultimodal(model)) return true;
   const modelText = `${model.displayName || ""} ${model.modelId || ""}`.toLowerCase();
   const likelyImageGenerationOnly =
     !model.supportsVision &&
+    !isAiModelMultimodal(model) &&
     Boolean(model.supportsImageGen) &&
     ((["custom", "openai", "local"].includes(providerType) &&
       /(doubao[-_.]?seed[-_.]?2[-_.]?0|seed[-_.]?2[-_.]?0|seedream|gpt[-_.]?image|nano[-_.]?banana|flux|imagen|image[-_.]?edit)/i.test(
@@ -1352,7 +1441,6 @@ function isLikelyVisionCapableModel(modelWithProvider: {
       ));
   if (likelyImageGenerationOnly) return false;
   if (model.supportsVision) return true;
-  if (isAiModelMultimodal(model)) return true;
 
   if (providerType === "volcano-vision" || providerType === "volcano-multimodal") return true;
 
@@ -1382,6 +1470,18 @@ function isLikelyVisionCapableModel(modelWithProvider: {
   return false;
 }
 
+function getPreferredVolcanoMultimodalAnalyzerCandidate(
+  ...candidates: Array<VisionSummaryModel | null | undefined>
+): VisionSummaryModel | null {
+  for (const candidate of candidates) {
+    if (!candidate?.provider?.apiKey || !candidate?.provider?.baseUrl) continue;
+    if (!isLikelyVolcanoEndpoint(candidate.provider.baseUrl)) continue;
+    if (!isAiModelMultimodal(candidate.model)) continue;
+    return candidate;
+  }
+  return null;
+}
+
 function shouldForceQwen3VlForImageAnalysis(modelWithProvider?: {
   model: {
     supportsVision?: boolean;
@@ -1694,6 +1794,36 @@ ${historyText}
     ? `${contextMessage}用户上传了图片，请求内容："${text}"`
     : `${contextMessage}用户请求（无图片）："${text}"`;
 
+  const volcanoAnalyzerCandidate = getPreferredVolcanoMultimodalAnalyzerCandidate(
+    selectedAnalyzerModel,
+    preferredModel,
+    agentModel,
+  );
+  if (
+    hasImage &&
+    visionImages.length > 0 &&
+    volcanoAnalyzerCandidate?.provider?.apiKey &&
+    volcanoAnalyzerCandidate?.provider?.baseUrl
+  ) {
+    const volcanoOfficialResult = await analyzeWithVolcanoOfficialApi({
+      apiKey: volcanoAnalyzerCandidate.provider.apiKey,
+      baseUrl: volcanoAnalyzerCandidate.provider.baseUrl,
+      modelId: volcanoAnalyzerCandidate.model.modelId,
+      userMessage,
+      userText: text,
+      hasImage,
+      imageUrls: (imageUrls || [])
+        .filter((url) => isHttpUrl(url))
+        .slice(0, ANALYZER_MAX_IMAGE_COUNT),
+    });
+    if (volcanoOfficialResult) {
+      console.log(
+        `[Smart Analyzer] Volcano official analyzer used: ${volcanoAnalyzerCandidate.model.displayName} (${volcanoAnalyzerCandidate.model.modelId})`,
+      );
+      return volcanoOfficialResult;
+    }
+  }
+
   const zhipuProviderFromAgent =
     usableAgentModel &&
     usableAgentModel.provider &&