debug: 添加轮询进度日志，监控任务处理状态

app/api/enhance/route.ts

@@ -115,6 +115,7 @@ async function pollTaskResult(
     }
     
     const { progress, state } = result.data;
+    console.log(`[Enhance] 轮询进度: progress=${progress}%, state=${state}, task_id=${taskId}`);
     
     // state < 0 表示失败
     if (state < 0) {
@@ -123,6 +124,7 @@ async function pollTaskResult(
     
     // progress >= 100 表示完成
     if (progress >= 100) {
+      console.log(`[Enhance] 任务完成，task_id=${taskId}`);
       return result;
     }
     
@@ -298,6 +300,7 @@ export async function POST(request: NextRequest) {
       // 将Buffer转换为Uint8Array用于fetch（更兼容）
       const uint8Array = new Uint8Array(formDataBuffer);
       
+      console.log("[Enhance API] 发送创建任务请求...");
       const createResponse = await fetch(enhanceUrl, {
         method: "POST",
         headers,
@@ -305,6 +308,7 @@ export async function POST(request: NextRequest) {
         signal: controller.signal,
       });
       
+      console.log("[Enhance API] 创建任务响应状态:", createResponse.status, createResponse.statusText);
       clearTimeout(timeoutId);
       
       if (!createResponse.ok) {