图例的修改，目录树调整，图层管理调整，图片更新

shuishen

2021-06-23 9356ddd3554e1ddf8847923d0ce2eceeef8411f0

1
.mblDomButtonGrayArrow, .mblDomButtonArrow {background-image: url(compat/mblDomButtonGrayArrow.png); background-repeat: no-repeat;}.mblDomButtonGrayArrow div, .mblDomButtonArrow div {display: none;}