es6.6版本，同时返回聚合结果和部分字段的值，使用了top_hits，报错

"source_data_school_achievements_of_the_paper" : {

            "properties" : {

              "school_achievements_of_the_paper" : {

                "type" : "nested",

                "properties" : {

                  "abstract" : {

                    "type" : "keyword"

                  },

                  "account" : {

                    "type" : "keyword"

                  },

                  "achievements_of_the_paper_url" : {

                    "type" : "keyword"

                  },

                  "author" : {

                    "type" : "keyword"

                  },

                  "co_author" : {

                    "type" : "keyword"

                  },

                  "first_author" : {

                    "type" : "keyword"

                  },

                  "first_author_handle" : {

                    "type" : "keyword"

                  },

                  "included_publications" : {

                    "type" : "keyword"

                  },

                  "issn" : {

                    "type" : "keyword"

                  },

                  "issue_number" : {

                    "type" : "keyword"

                  },

                  "keyword" : {

                    "type" : "keyword"

                  },

                  "page_range" : {

                    "type" : "keyword"

                  },

                  "publication_time" : {

                    "type" : "date"

                  },

                  "publications" : {

                    "type" : "keyword"

                  },

                  "title" : {

                    "type" : "keyword"

                  },

                  "type_of_papers" : {

                    "type" : "keyword"

                  },

                  "user_id" : {

                    "type" : "keyword"

                  },

                  "volume_number" : {

                    "type" : "keyword"

                  }

                }

              }

            }

          }