And also here: https://www.openstreetmap.org/#map=13/40.0494/116.6226
Not sure which “place” you’re reffering too… Please enable “mapdata” in the menu on the right and post node/way/relation ID.
There was a problem with coastline processing on one of the tileservers. See https://lists.openstreetmap.org/pipermail/talk-au/2019-June/012719.html for more info. Should be fixed now.