How can I set character-encoding to UTF-8 (Uinicode)in base(windows version)?

Hi everyone,
LO6.0.3.2 base connect to SQLite DB via ODBC,the Chinese character of DataBase is encode by UTF-8 without BOM . The table name and recorders are Chinese
can display correctly in SQLite browser(UTF-8 encoder)& LO databasw Linux version(UBUNTU),however, incorrect in LO Database windows version.
My question is how can I set the encorder for Chinese to UTF-8 but not GB2312 encorder?