-property :storage_service, String, :default => "local"
-property :storage_url, String
+property :avatar_storage, String
+property :trace_file_storage, String
+property :trace_image_storage, String
+property :trace_icon_storage, String
+property :avatar_storage_url, String
+property :trace_image_storage_url, String
+property :trace_icon_storage_url, String