diff --git a/conf/ucloud.conf b/conf/ucloud.conf
index 2a06c81..cebe58e 100644
--- a/conf/ucloud.conf
+++ b/conf/ucloud.conf
@@ -30,9 +30,9 @@ CERT_CERT = changeme
 CERT_KEY = changeme
 
 
-FILE_PREFIX        = file/
+FILE_PREFIX        = files
 HOST_PREFIx        = hosts
-IMAGE_PREFIX       = image/
+IMAGE_PREFIX       = images
 IMAGE_STORE_PREFIX = imagestore/
 
 NETWORK_PREFIX     = networks