diff --git a/app/api/upload/route.ts b/app/api/upload/route.ts
index 8ada232..ea9aab0 100644
--- a/app/api/upload/route.ts
+++ b/app/api/upload/route.ts
@@ -24,7 +24,6 @@ export async function POST(request: NextRequest) {
     const buffer = await file.arrayBuffer();
     imageBuffer = Buffer.from(buffer);
 
-    // 压缩图片
     const image = sharp(imageBuffer);
     const metadata = await image.metadata();
 
@@ -56,7 +55,6 @@ export async function POST(request: NextRequest) {
         .toBuffer() as any;
     }
 
-    // 上传到 my_oss
     const formData2 = new FormData();
     const uint8Array = new Uint8Array(imageBuffer);
     const blob = new Blob([uint8Array], { type: 'image/jpeg' });
@@ -78,8 +76,7 @@ export async function POST(request: NextRequest) {
 
     const fileData = await uploadRes.json();
     
-    // 返回 my_oss 的访问URL
-    const url = `${OSS_URL}/api/files/${fileData.fileKey}/preview`;
+    const url = `${OSS_URL}/api/files/${fileData.fileKey}/preview?key=${API_KEY}`;
     return NextResponse.json({ url, fileKey: fileData.fileKey });
   } catch (error) {
     console.error('Upload error:', error);