更新 'defaults'

defaults

@@ -3,7 +3,7 @@
         "ref_dir":"oss://hcc1395/reference_genome/GRCh38.d1.vd1",
         "sample_id":"",
         "docker_stralka":"registry.cn-shanghai.aliyuncs.com/hcc1395_aliyun/strelka:v2.9.10",
-        "cluster_config":"OnDemand ecs.sn1ne.4xlarge img-ubuntu-vpc",
+        "cluster_config":"OnDemand ecs.c6.large img-ubuntu-vpc",
         "disk_size":"50",
 		"manta_indel_vcf":"",
         "manta_indel_vcf_index":""