fix bug

defaults

 {
     "bcftools_docker": "registry.cn-shanghai.aliyuncs.com/pgx-docker-registry/bcftools:v1.9",
     "disk_size": "200",
-    "cluster_config": "OnDemand bcs.a2.large img-ubuntu-vpc",
-    "vcf": ["oss://share-data-temp/TNBC/vcf/FUSCCTNBC083_pon.vcf", "oss://share-data-temp/TNBC/vcf/FUSCCTNBC330_pon.vcf", "oss://share-data-temp/TNBC/vcf/FUSCCTNBC467_pon.vcf"]
+    "cluster_config": "OnDemand bcs.a2.large img-ubuntu-vpc"
 }

inputs

 {
   "{{ project_name }}.bcftools_docker": "{{ bcftools_docker }}",
-  "{{ project_name }}.vcf": {{ vcf }},
+  "{{ project_name }}.vcf": ["oss://share-data-temp/TNBC/vcf/FUSCCTNBC083_pon.vcf", "oss://share-data-temp/TNBC/vcf/FUSCCTNBC330_pon.vcf", "oss://share-data-temp/TNBC/vcf/FUSCCTNBC467_pon.vcf"],
   "{{ project_name }}.disk_size": "{{ disk_size }}",
   "{{ project_name }}.cluster_config": "{{ cluster_config }}"
 }