更新 'defaults'

defaults

@@ -1,6 +1,6 @@
 {
 		"docker_qualimap":"registry.cn-shanghai.aliyuncs.com/hcc1395_aliyun/qualimap:2.0.0",
-        "cluster_config":"OnDemand ecs.r6.xlarge img-ubuntu-vpc",
+        "cluster_config":"OnDemand bcs.a2.7xlarge img-ubuntu-vpc",
         "disk_size":"500",
         "annot_gff":"oss://hcc1395/reference_genome/gencode.v36.annotation.gff"
 }