版本1.r.55，之前用的1.b.51是好的
host 表：
@One(target = CMSCFMast.class, field = "codLoanId")
private CMSCFMast cmscfmast;
@Id(auto = false)
@Column("COD_LOAN_ID")
private int codLoanId ;

@One 表：
@Id(auto = false)
@Prev(@SQL(db = DB.ORACLE, value = "SELECT IFS_T_CFSEQ.nextval FROM dual"))
@Column("COD_CF_ID")
private int codCfId ;