diff --git a/app/api/rmbg/route.ts b/app/api/rmbg/route.ts
index 42ffe549c..918a8dc49 100644
--- a/app/api/rmbg/route.ts
+++ b/app/api/rmbg/route.ts
@@ -89,6 +89,9 @@ async function uploadBase64ToS3(base64Data: string, mimeType: string = "image/pn
 }
 
 const sleep = (ms: number) => new Promise((resolve) => setTimeout(resolve, ms));
+const AOS_CREATE_TIMEOUT_MS = 120_000;
+const AOS_POLL_TIMEOUT_MS = 60_000;
+const AOS_DOWNLOAD_TIMEOUT_MS = 60_000;
 
 const withTimeout = async <T,>(
   fn: (signal: AbortSignal) => Promise<T>,
@@ -263,6 +266,7 @@ async function processWithAosSegmentation(
       createForm.append("type", config.foregroundType);
     }
 
+    console.log("[AOS RMBG] creating segmentation task...");
     const createResponse = await withTimeout(
       (signal) =>
         fetch(createUrl, {
@@ -271,7 +275,7 @@ async function processWithAosSegmentation(
           body: createForm,
           signal,
         }),
-      30000
+      AOS_CREATE_TIMEOUT_MS
     );
 
     const createPayload = await createResponse.json().catch(() => null);
@@ -284,7 +288,7 @@ async function processWithAosSegmentation(
 
     const taskId = createPayload.data.task_id as string;
     const taskUrl = `${createUrl}/${taskId}`;
-    const maxPollCount = 30;
+    const maxPollCount = 60;
 
     for (let pollCount = 0; pollCount < maxPollCount; pollCount++) {
       await sleep(1000);
@@ -296,7 +300,7 @@ async function processWithAosSegmentation(
             headers,
             signal,
           }),
-        30000
+        AOS_POLL_TIMEOUT_MS
       );
 
       const pollPayload = await pollResponse.json().catch(() => null);
@@ -323,7 +327,7 @@ async function processWithAosSegmentation(
               method: "GET",
               signal,
             }),
-          30000
+          AOS_DOWNLOAD_TIMEOUT_MS
         );
 
         if (!imageResponse.ok) {
@@ -350,10 +354,10 @@ async function processWithAosSegmentation(
       }
     }
 
-    return { success: false, error: "AOS任务超时（30秒）" };
+    return { success: false, error: "AOS任务超时（最多60秒）" };
   } catch (error) {
     if (error instanceof Error && error.name === "AbortError") {
-      return { success: false, error: "AOS请求超时（30秒）" };
+      return { success: false, error: "AOS请求超时，请稍后重试" };
     }
     return { success: false, error: error instanceof Error ? error.message : "未知错误" };
   }