最近根据内建图片调整界面时发现的，Slider中用了一个Button，但是这个btn明明没有使用内建图片，但是查找引用时还是查出来了，这样Build时就会把这个生成到res目录中，请问这个能处理掉吗？
{
“type”: “cc.Button”,
“_name”: “”,
“_objFlags”: 0,
“node”: {
“id”: 62
},
“_enabled”: true,
“_normalMaterial”: null,
“_grayMaterial”: null,
“duration”: 0.1,
“zoomScale”: 1.1,
“clickEvents”: [],
“_N$interactable”: true,
“_N$enableAutoGrayEffect”: true,
“_N$transition”: 3,
“transition”: 3,
“_N$normalColor”: {
“type”: “cc.Color”,
“r”: 255,
“g”: 255,
“b”: 255,
“a”: 255
},
“_N$pressedColor”: {
“type”: “cc.Color”,
“r”: 255,
“g”: 255,
“b”: 255,
“a”: 255
},
“pressedColor”: {
“type”: “cc.Color”,
“r”: 255,
“g”: 255,
“b”: 255,
“a”: 255
},
“_N$hoverColor”: {
“type”: “cc.Color”,
“r”: 255,
“g”: 255,
“b”: 255,
“a”: 255
},
“hoverColor”: {
“type”: “cc.Color”,
“r”: 255,
“g”: 255,
“b”: 255,
“a”: 255
},
“_N$disabledColor”: {
“type”: “cc.Color”,
“r”: 255,
“g”: 255,
“b”: 255,
“a”: 255
},
** “_N$normalSprite”: {**
** “uuid”: “e7aba14b-f956-4480-b254-8d57832e273f”**
** },**
** “_N$pressedSprite”: {**
** “uuid”: “e7aba14b-f956-4480-b254-8d57832e273f”**
** },**
** “pressedSprite”: {**
** “uuid”: “e7aba14b-f956-4480-b254-8d57832e273f”**
** },**
** “_N$hoverSprite”: {**
** “uuid”: “e7aba14b-f956-4480-b254-8d57832e273f”**
** },**
** “hoverSprite”: {**
** “uuid”: “e7aba14b-f956-4480-b254-8d57832e273f”**
** },**
** “_N$disabledSprite”: {**
** “uuid”: “29158224-f8dd-4661-a796-1ffab537140e”**
** },**
“_N$target”: {
“id”: 62
},
“_id”: “”
},