uodate bed-region

inputs

@@ -14,5 +14,5 @@
   "{{ project_name }}.normal_fastq_2": "{{ normal_fastq_2 }}",
   "{{ project_name }}.disk_size": "{{ disk_size }}",
   "{{ project_name }}.cluster_config": "OnDemand bcs.a2.3xlarge img-ubuntu-vpc",
-  "{{ project_name }}.regions": "oss://pgx-source-data/sjzp/2020/141gene_twist_merged.bed"
+  "{{ project_name }}.regions": "{{ region if region != '' else 'oss://pgx-source-data/sjzp/2020/141gene_twist_merged.bed' }}"
 }