ckfinder上传图片时需要filebrowserUploadUrl: '/ckfinder/core/connector/java/connector.java?command=QuickUpload&type=Files'，找不到core文件夹

ckfinder上传图片时需要filebrowserUploadUrl: '/ckfinder/core/connector/java/connector.java?command=QuickUpload&type=Files'，报错，找不到core文件夹

filebrowserBrowseUrl: '/ckfinder/ckfinder.html',
              filebrowserImageBrowseUrl: '/ckfinder/ckfinder.html?type=Images',
              filebrowserUploadUrl: '/ckfinder/core/connector/java/connector.java?command=QuickUpload&type=Files',
              filebrowserImageUploadUrl: '/ckfinder/core/connector/java/connector.java?command=QuickUpload&type=Images',

https://www.cnblogs.com/lgx5/p/5627424.html