点击设置右上角图标
然后把代码复制进去
"background.enabled": true,
"background.useDefault": false,
"background.customImages": [
"file://D:/1.jpg"
],
"background.style": {
"content": "''",
"pointer-events": "none",
"position": "absolute",
"z-index": "99999",
"width": "100%",
"height": "100%",
"background-position": "center",
"background-repeat": "no-repeat",
"background-size": "100%,100%",
"opacity": 0.2,
},