diff --git a/metadata/service/server/cluster.yml b/metadata/service/server/cluster.yml
index b63419c..5038cf3 100644
--- a/metadata/service/server/cluster.yml
+++ b/metadata/service/server/cluster.yml
@@ -40,7 +40,7 @@
         ha_queues: true
       cache:
         engine: memcached
-        members: 
+        members:
         - host: ${_param:cluster_node01_address}
           port: 11211
         - host: ${_param:cluster_node02_address}