postman 403 es的请求，但是给我报403不知道怎么回事

"error": {
"root_cause": [
{
"type": "cluster_block_exception",

            "reason": "blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"
        }
    ],
    "type": "cluster_block_exception",
    "reason": "blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"
},
"status": 403

}

尝试查看集群健康状态是否正常