更新 'defaults'

bcs.es.r.4xlarge

defaults

@@ -1,5 +1,5 @@
 {   
     "battenberg_docker":"registry.cn-shanghai.aliyuncs.com/shaolab2023_docker/battenberg:4.2",
-    "battenberg_cluster":"OnDemand bcs.es.r.6xlarge img-ubuntu-vpc",
+    "battenberg_cluster":"OnDemand bcs.es.r.4xlarge img-ubuntu-vpc",
     "disk_size":"300"
 }