diff --git a/lib/ai/rmbg/service.ts b/lib/ai/rmbg/service.ts
index 97438fe0b..0916f9150 100644
--- a/lib/ai/rmbg/service.ts
+++ b/lib/ai/rmbg/service.ts
@@ -63,6 +63,7 @@ const AOS_MAX_RESOLUTION = 4096;
 const AOS_CREATE_TIMEOUT_MS = 120_000;
 const AOS_POLL_TIMEOUT_MS = 60_000;
 const AOS_DOWNLOAD_TIMEOUT_MS = 60_000;
+const IMAGE_URL_FETCH_TIMEOUT_MS = 60_000;
 
 async function createThumbnail(buffer: Buffer, mimeType: string): Promise<Buffer> {
   try {
@@ -499,14 +500,16 @@ function getModelId(provider: RmbgProvider) {
 
 export async function fetchImageBufferFromUrl(imageUrl: string): Promise<Buffer> {
   try {
-    const imageResponse = await fetch(imageUrl);
-    if (!imageResponse.ok) {
-      throw new RmbgServiceError(
-        `无法获取图片: ${imageResponse.status} ${imageResponse.statusText}`,
-        400
-      );
-    }
-    return Buffer.from(await imageResponse.arrayBuffer());
+    return await withTimeout(async (signal) => {
+      const imageResponse = await fetch(imageUrl, { signal });
+      if (!imageResponse.ok) {
+        throw new RmbgServiceError(
+          `无法获取图片: ${imageResponse.status} ${imageResponse.statusText}`,
+          400
+        );
+      }
+      return Buffer.from(await imageResponse.arrayBuffer());
+    }, IMAGE_URL_FETCH_TIMEOUT_MS);
   } catch (error) {
     if (error instanceof RmbgServiceError) {
       throw error;