jfire-codejson 输出jfinal model报错?报错

@eric_jfire 你好，想跟你请教个问题：

最近看到您新出的codejson框架， 性能目前果然是傲视群雄呀。。 准备在项目中应用，但是出现了一些问题！我的项目是采用jfinal， 在用codejson输出jfinal model时出错！

java.lang.IllegalAccessError: tried to access class java.util.HashMap$Node from class JsonWriter_Node_37709549281918
	at JsonWriter_Node_37709549281918.write(JsonWriter_Node_37709549281918.java)
	at link.jfire.codejson.function.WriterContext.write(WriterContext.java:103)
	at JsonWriter_PiracyInfo_37709515503292.write(JsonWriter_PiracyInfo_37709515503292.java)
	at link.jfire.codejson.function.WriterContext.write(WriterContext.java:103)
	at link.jfire.codejson.function.impl.write.extra.ArrayListWriter.write(ArrayListWriter.java:28)
	at link.jfire.codejson.function.WriterContext.write(WriterContext.java:103)
	at link.jfire.codejson.JsonTool.write(JsonTool.java:28)

public abstract class Model<M extends Model> implements Serializable {
	
	private static final long serialVersionUID = -990334519496260591L;
	
	/**
	 * Attributes of this model
	 */
	private Map<String, Object> attrs = getAttrsMap();	// getConfig().containerFactory.getAttrsMap();	// new HashMap<String, Object>();
	
	private Map<String, Object> getAttrsMap() {
		Config config = getConfig();
		if (config == null)
			return DbKit.brokenConfig.containerFactory.getAttrsMap();
		return config.containerFactory.getAttrsMap();
	}

@ModelSign
public class PiracyInfo extends BaseModel<PiracyInfo> {

    public static PiracyInfo dao = new PiracyInfo();
    
}