ElasticSearch 自定义评分报错

	"function_score":{

	.....

	}

	

		"functions":[

				{

					"script_score":{

						"script":  "width=doc['ViewCount'].value;if(width==0){return -4} return 0"

					}

				}

			],

{

    "error": {

        "root_cause": [

            {

                "type": "script_exception",

                "reason": "compile error",

                "script_stack": [

                    "width=doc['ViewCount'].va ...",

                    "^---- HERE"

                ],

                "script": "width=doc['ViewCount'].value;if(width==0){return -4} return 0",

                "lang": "painless"

            }

        ],