Get a beaver carcass and hang it up in a tree as high as you can hang it.
Do you only have this one baitsite? How far are you from water? Is this the first time baiting this location?
The bear are out here in northern WI so yours should be out, too. It takes awhile for them to get accustomed to bear bait type food. Grass is all they want to eat for a few days after coming out of the den till their system gets used to other foods.
Better block off that downed tree or the bear will use that to get to top of barrel. Also is the thickest cover, ie swamp etc which direction from this bait, east? Never liked stands facing east with the bait east of the stand. Prevailing winds will give away your location every time.
My preferred stand locations were either north or south of the bait, mostly north. Always picked a baitsite location first, then tree stand. My preferred baitsite locations are the northeast, east and southeast side of large swamps with my first choice being the NE side because of prevailing south west winds.
You may want to try a drag trail to and from your baitsite at least a 1/4 to 1/2 mile in several directions, plus when a bear does hit the bait make sure there is a bunch of used deep fryer grease in/on the ground around bait container. That way every animal will carry notice of your baitsite wherever they travel.