fix input

inputs

@@ -20,5 +20,5 @@
   "{{ project_name }}.sample": "{{ sample }}",
   "{{ project_name }}.dbsnp": "dbsnp_146.hg38.vcf",
   "{{ project_name }}.id": "{{ id }}",
-  "{{ project_name }}.GATKdocker": "registry.cn-shanghai.aliyuncs.com/pgx-docker-registry/gatk:v2019.01",
+  "{{ project_name }}.GATKdocker": "registry.cn-shanghai.aliyuncs.com/pgx-docker-registry/gatk:v2019.01"
 }