在设置--> vetur --> settings.json --> 添加如下代码

{"vetur.format.defaultFormatter.html": "js-beautify-html",
    "emmet.includeLanguages": {
        "wxml": "html"
    },
    "minapp-vscode.disableAutoConfig": true,
    "explorer.confirmDelete": false,
    "vetur.format.options.tabSize": 4,
    "vetur.format.defaultFormatterOptions":{
        "js-beautify-html":{
            "wrap_attributes":"auto"
        }
    }
}