diff --git a/ucloud/ufile.py b/ucloud/ufile.py
index 69ddc6e..391bda0 100644
--- a/ucloud/ufile.py
+++ b/ucloud/ufile.py
@@ -17,7 +17,7 @@ def get_private_url(key, bucket=BUCKET):
     # 判断文件是否存在
     _, resp = UFILE_HANDLER.head_file(bucket, key)
     if resp.status_code == -1:
-        UCLOUD_LOGGER.warning(f"查询{key}时uCloud连接失败!")
+        UCLOUD_LOGGER.warning(f"查询({key})时uCloud连接失败!")
         raise ConnectionError("uCloud连接失败")
     if resp.status_code != 200:
         UCLOUD_LOGGER.warning(f"[{bucket}]中未找到({key})! status: {resp.status_code} error: {resp.error}")
@@ -37,7 +37,7 @@ def copy_file(source_bucket, source_key, target_bucket, target_key):
     # 复制文件
     _, resp = UFILE_HANDLER.copy(target_bucket, target_key, source_bucket, source_key)
     if resp.status_code == -1:
-        UCLOUD_LOGGER.warning(f"复制{source_key}时uCloud连接失败!")
+        UCLOUD_LOGGER.warning(f"复制({source_key})时uCloud连接失败!")
         return False
     if resp.status_code != 200:
         UCLOUD_LOGGER.warning(
@@ -53,7 +53,7 @@ def upload_file(key, file_path, bucket=BUCKET):
     # 普通上传文件至云空间
     _, resp = UFILE_HANDLER.putfile(bucket, key, file_path, header=None)
     if resp.status_code == -1:
-        UCLOUD_LOGGER.warning(f"上传{key}时uCloud连接失败!")
+        UCLOUD_LOGGER.warning(f"上传({key})时uCloud连接失败!")
         return False
     if resp.status_code != 200:
         UCLOUD_LOGGER.warning(f"上传({key})失败! status: {resp.status_code} error: {resp.error}")