diff --git a/app/api/external/image/generate/route.ts b/app/api/external/image/generate/route.ts
index 96c1b131d..2b1f54ceb 100644
--- a/app/api/external/image/generate/route.ts
+++ b/app/api/external/image/generate/route.ts
@@ -8,9 +8,7 @@ import {
   authenticateExternalImageApiRequest,
   buildExternalImageApiModelCandidates,
   buildExternalImageApiKeyFingerprint,
-  ensureHostedImageMarkdown,
   ensureHostedReferenceImageUrls,
-  extractGeneratedImagesFromMarkdown,
   generateImagesWithFailover,
   getRequesterIp,
   resolveExternalImageApiOwnerUserId,
@@ -310,16 +308,8 @@ export async function POST(request: Request) {
       referenceImageUrls: payload.referenceImages || [],
     });
     const actualModel = generationResult.usedModel;
-    const rawMarkdown = generationResult.markdown;
-
-    const hostedMarkdown = await ensureHostedImageMarkdown(
-      rawMarkdown,
-      payload.imageSize || "2K",
-    );
-    const images = extractGeneratedImagesFromMarkdown(hostedMarkdown);
-    if (!images.length) {
-      throw new Error("模型返回结果里未解析到图片");
-    }
+    const hostedMarkdown = generationResult.markdown;
+    const images = generationResult.images;
 
     const persistResult = await saveGeneratedImages(
       hostedMarkdown,
diff --git a/lib/external-image-api/service.ts b/lib/external-image-api/service.ts
index 44c7c7bb3..426bb7dc2 100644
--- a/lib/external-image-api/service.ts
+++ b/lib/external-image-api/service.ts
@@ -24,6 +24,13 @@ type ExternalImageApiGenerateAttempt = {
   error?: string;
 };
 
+type ExternalImageApiGeneratedImage = {
+  id: number;
+  originalUrl: string;
+  thumbnailUrl: string;
+  imageSize: string;
+};
+
 function normalizeText(value: unknown) {
   return String(value || "").trim();
 }
@@ -635,7 +642,7 @@ export async function resolveExternalImageApiOwnerUserId(ownerEmail?: string | n
   return created.id;
 }
 
-export async function generateImagesWithModel(params: {
+export async function generateImageWithModel(params: {
   modelDbId: string;
   prompt: string;
   negativePrompt?: string | null;
@@ -698,12 +705,17 @@ export async function generateImagesWithFailover(params: {
   aspectRatio?: string | null;
   imageSize?: string | null;
   referenceImageUrls?: string[];
-}) {
+}): Promise<{
+  markdown: string;
+  images: ExternalImageApiGeneratedImage[];
+  usedModel: ImageModelEntry;
+  attempts: ExternalImageApiGenerateAttempt[];
+}> {
   const attempts: ExternalImageApiGenerateAttempt[] = [];
 
   for (const candidate of params.candidates) {
     try {
-      const markdown = await generateImagesWithModel({
+      const markdown = await generateImageWithModel({
         modelDbId: candidate.model.id,
         prompt: params.prompt,
         negativePrompt: params.negativePrompt || null,
@@ -713,6 +725,16 @@ export async function generateImagesWithFailover(params: {
         referenceImageUrls: params.referenceImageUrls || [],
       });
 
+      const hostedMarkdown = await ensureHostedImageMarkdown(
+        markdown,
+        params.imageSize || "2K",
+      );
+      const images = extractGeneratedImagesFromMarkdown(hostedMarkdown);
+
+      if (!images.length) {
+        throw new Error("模型返回结果里未解析到图片");
+      }
+
       attempts.push({
         modelId: candidate.model.id,
         modelRuntimeId: candidate.model.modelId,
@@ -721,7 +743,8 @@ export async function generateImagesWithFailover(params: {
       });
 
       return {
-        markdown,
+        markdown: hostedMarkdown,
+        images,
         usedModel: candidate,
         attempts,
       };