elasticsearch7.x中 ik+pinyin 搜索不到内容

[cosoc]

索引设置

{
    "settings": {
        "number_of_shards": 3,
        "number_of_replicas": 1,
        "analysis": {
            "analyzer": {
                "default": {
                    "tokenizer": "ik_max_word"
                },
                "pinyin_analyzer": {
                    "type": "custom",
                    "tokenizer": "my_pinyin",
                    "filter": [
                        "word_delimiter"
                    ]
                }
            },
            "tokenizer": {
                "my_pinyin": {
                    "type": "pinyin",
                    "keep_first_letter": true,
                    "keep_separate_first_letter": false,
                    "keep_full_pinyin": true,
                    "keep_original": false,
                    "limit_first_letter_length": 16,
                    "lowercase": true
                }
            }
        }
    },
    "mappings": {
        "properties": {
            "title": {
                "type": "text",
                "analyzer": "ik_max_word",
                "fields": {
                    "pinyin": {
                        "type": "text",
                        "analyzer": "pinyin_analyzer",
                        "boost": 10
                    }
                }
            },
            "content": {
                "type": "text",
                "analyzer": "ik_max_word"
            },
            "author": {
                "type": "text",
                "analyzer": "ik_max_word"
            },
            "keyword": {
                "type": "text",
                "analyzer": "ik_max_word"
            }
        }
    }
}

创建文档

{
    "title":"刘德华2018年演唱会将在北京举行",
    "content":"刘德华2018年跨年演唱会将在北京市海淀剧院举行",
    "author":"xioa"
}

查询文档

{
  "query": {
    "multi_match": {
      "type":"most_fields",
      "query":"刘德h",
      "fields":["title", "title.pinyin"]
    }
  }
}

返回

{
    "took": 0,
    "timed_out": false,
    "_shards": {
        "total": 3,
        "successful": 3,
        "skipped": 0,
        "failed": 0
    },
    "hits": {
        "total": {
            "value": 0,
            "relation": "eq"
        },
        "max_score": null,
        "hits": []
    }
}

彻底无语!新手被整蒙圈了

[hs-llsong]

我照着你这个示例，有搜到内容

{
    "took": 4,
    "timed_out": false,
    "_shards": {
        "total": 3,
        "successful": 3,
        "skipped": 0,
        "failed": 0
    },
    "hits": {
        "total": {
            "value": 1,
            "relation": "eq"
        },
        "max_score": 2.8768206,
        "hits": [
            {
                "_index": "test1",
                "_type": "_doc",
                "_id": "1",
                "_score": 2.8768206,
                "_source": {
                    "title": "刘德华2018年演唱会将在北京举行",
                    "content": "刘德华2018年跨年演唱会将在北京市海淀剧院举行",
                    "author": "xioa"
                }
            }
        ]
    }
}