list中的item类中的button注册事件不响应是怎么回事呢？可以帮帮我解答下吗

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class Item extends Laya.Box{
public static WID: number = 147;
public static HEI: number = 190;
private skin_progress_chip:Laya.ProgressBar;
private skin_img:Laya.Image;
private skin_chipNum:Laya.Text;
public skin_btn_use:Laya.Image;
private skin_lock:Laya.Image;
private skin_inUse:Laya.Image;
constructor(){
super();
this.size(Item.WID, Item.HEI);
this.initBuild();
this.skin_btn_use.on(Laya.Event.CLICK,this,this.onSkinBtnUseClick)
}
private onSkinBtnUseClick(){
console.log("使用");

}
 
//btn 有宽高

o⃕!o⃕一覺盜兲喨

这里的按钮，可以用

this.btn.clickHandler = laya.utils.Handler.create(this,this.方法,["你要传的参数"],false);

Try everything___

o⃕!o⃕一覺盜兲喨好像不是这样的不用this.skin_list.itemRender=Item;方式用下面这种就可以好费解
let btn:Laya.Image=cell.getChildByName("btn") as Laya.Image;
btn.on(Laya.Event.CLICK,this,this.click,[index]);