PUT  http://ip:port/esindex/_mapping 

{
    "properties": {
        "COMPSCORELIST": {
            "type": "nested",
            "properties": {
                "COMPNAME": {
                    "type": "keyword"
                },
                "SCORE": {
                    "type": "float"
                }
            }
        }
    }
}
　

添加后的mappings