问题描述:

以下代码为问题代码：

public class ItemDO implements Serializable {

    private static final long serialVersionUID=-463144769925355007L;
    
    ...
    
    private Map<String,String> langAndTitleMap;
    
    ...
}

public class ItemMultiLangDecorator implements ItemDecorator {
    
    ...

     @Override
    public ItemDO getItemDO() throws IcException {
        .