Multi knowledge source support for DB-GPT

[Aries-ckt]

Now DB-GPT Knowledge Source support Document(pdf, txt, markdown, doc, ppt, html), now we want to integrate more Knowledge Source Type like Youtube, OSS, S3, TIDB, OCEANBASE, ELASTICSEARCH, we hope you can join us.
how to integrate: reference

class KnowledgeType(Enum):
    DOCUMENT = "DOCUMENT"
    URL = "URL"
    TEXT = "TEXT"
    OSS = "OSS"
    S3 = "S3"
    NOTION = "NOTION"
    MYSQL = "MYSQL"
    TIDB = "TIDB"
    CLICKHOUSE = "CLICKHOUSE"
    OCEANBASE = "OCEANBASE"
    ELASTICSEARCH = "ELASTICSEARCH"
    HIVE = "HIVE"
    PRESTO = "PRESTO"
    KAFKA = "KAFKA"
    SPARK = "SPARK"
    YOUTUBE = "YOUTUBE"

[LeereYu]

为什么我导入知识库就报错document sync error list index out of range