curl --location --globoff 'https://datam.olmap.cn/dm/v1/api/dataSet/createIndex?ckey={{ckey}}' \
--header 'eId: siptea' \
--header 'ckey: a8da1230-536b-11e8-9bb7-3321e787d1cb' \
--data-urlencode 'dataSetId=_testPolygon' \
--data-urlencode 'fieldOrSpec={"tag.field1":1}' \
--data-urlencode 'options={ "unique":true,"dropDups":true }'{"success":true,"msg":"后台异步创建索引,所用时间与数据量有关,请耐心等待。","data":"tag.field1_1"}