wumao-charge-vue-zs/static/plugins/neditor/dialogs/xiumi/xiumi-ue-v5.css

.edui-button.edui-for-xiumi-connect .edui-button-wrap .edui-button-body .edui-icon {
    background-image: url("http://xiumi.us/connect/ue/xiumi-connect-icon.png") !important;
    background-size: contain;
}