问在ECS中使用EFS时出错，返回未知的文件系统类型“efs”

EN

resource "aws_ecs_service" "jenkinsService" {
    cluster = var.ECS_cluster
    name = var.jenkins_name
    task_definition = aws_ecs_task_definition.jenkinsService.arn
    deployment_maximum_percent = "200"
    deployment_minimum_healthy_percent = 50
    desired_count = var.service_desired_count
    tags = {
      "ManagedBy" : "Terraform"
    }
}

resource "aws_ecs_task_definition" "jenkinsService" {
  family = "${var.jenkins_name}-task"
  container_definitions = file("task-definitions/service.json")
  volume {
    name  = var.EFS_name
    efs_volume_configuration {
      file_system_id = "fs-7dcef848"
    }
  }
  tags = {
      "ManagedBy" : "Terraform"
  }
}

[
  {
    "name": "DevOps-jenkins",
    "image": "jenkins/jenkins:2.284-alpine",
    "cpu": 0,
    "memoryReservation": 1024,
    "essential": true,
    "portMappings": [
      {
        "containerPort" : 8080,
        "hostPort" : 80
      }
    ],
    "mountPoints": [
      {
          "sourceVolume" : "DevOps-Jenkins",
          "containerPath" : "/var/jenkins_home"
      }
      ]
  }
]