diff --git a/src/BowongModalFunctions/router/cache.py b/src/BowongModalFunctions/router/cache.py
index 8239ba4..bbd23b2 100644
--- a/src/BowongModalFunctions/router/cache.py
+++ b/src/BowongModalFunctions/router/cache.py
@@ -328,11 +328,11 @@ async def s3_presign_upload(body: UploadPresignRequest) -> UploadPresignResponse
     signed_url = client.generate_presigned_url("put_object",
                                                Params={
                                                    'Bucket': config.S3_bucket_name,
-                                                   'Key': f"upload/{body.key}",
+                                                   'Key': f"{body.key}",
                                                    "ContentType": body.content_type,
                                                }, ExpiresIn=expires_in, )
     return UploadPresignResponse(url=signed_url,
-                                 urn=f"s3://{config.S3_region}/{config.S3_bucket_name}/upload/{body.key}",
+                                 urn=f"s3://{config.S3_region}/{config.S3_bucket_name}/{body.key}",
                                  expired_at=expired_at)
 
 
@@ -369,7 +369,7 @@ async def s3_presign_upload_multipart(body: UploadMultipartPresignRequest) -> Up
         signed_url = client.generate_presigned_url("upload_part",
                                                    Params={
                                                        'Bucket': config.S3_bucket_name,
-                                                       'Key': f"upload/{body.key}",
+                                                       'Key': f"{body.key}",
                                                        'PartNumber': i + 1,
                                                        'UploadId': upload_id,
                                                    }, ExpiresIn=expires_in)
@@ -378,19 +378,19 @@ async def s3_presign_upload_multipart(body: UploadMultipartPresignRequest) -> Up
     signed_completed_url = client.generate_presigned_url("complete_multipart_upload",
                                                          Params={
                                                              'Bucket': config.S3_bucket_name,
-                                                             'Key': f"upload/{body.key}",
+                                                             'Key': f"{body.key}",
                                                              # 'PartNumber': chunk_count,
                                                              'UploadId': upload_id,
                                                          }, ExpiresIn=expires_in)
     signed_list_url = client.generate_presigned_url("list_parts",
                                                     Params={
                                                         'Bucket': config.S3_bucket_name,
-                                                        'Key': f"upload/{body.key}",
+                                                        'Key': f"{body.key}",
                                                         # 'PartNumber': chunk_count,
                                                         'UploadId': upload_id,
                                                     }, ExpiresIn=expires_in)
     return UploadMultipartPresignResponse(urls=signed_urls,
-                                          urn=f"s3://{config.S3_region}/{config.S3_bucket_name}/upload/{body.key}",
+                                          urn=f"s3://{config.S3_region}/{config.S3_bucket_name}/{body.key}",
                                           expired_at=expired_at,
                                           complete_url=signed_completed_url,
                                           list_url=signed_list_url)