diff --git a/utils/g2d/radiation_pattern.go b/utils/g2d/radiation_pattern.go
index a9cba18..f07a9a6 100644
--- a/utils/g2d/radiation_pattern.go
+++ b/utils/g2d/radiation_pattern.go
@@ -69,10 +69,33 @@ func (slf *RadiationPattern[ItemType, Item]) Refresh(x, y int, item Item) {
 	slf.links.Delete(oldGuid)
 	delete(slf.positions, oldGuid)
 
+	slf.matrix[x][y] = item
 	slf.positions[item.GetGuid()] = PositionToArray(x, y)
 	slf.searchNeighbour(x, y, synchronization.NewMap[int64, bool](), synchronization.NewMap[int64, bool]())
 }
 
+// RefreshBySwap 通过交换的方式刷新两个成员的辐射信息
+func (slf *RadiationPattern[ItemType, Item]) RefreshBySwap(x1, y1, x2, y2 int, item1, item2 Item) {
+	var xys = [][2]int{PositionToArray(x1, y1), PositionToArray(x2, y2)}
+	for _, xy := range xys {
+		x, y := PositionArrayToXY(xy)
+		old := slf.matrix[x][y]
+		oldGuid := old.GetGuid()
+		for linkGuid := range slf.links.Get(oldGuid) {
+			xy := slf.positions[linkGuid]
+			slf.searchNeighbour(xy[0], xy[1], synchronization.NewMap[int64, bool](), synchronization.NewMap[int64, bool]())
+		}
+		slf.links.Delete(oldGuid)
+		delete(slf.positions, oldGuid)
+	}
+	for i, item := range []Item{item1, item2} {
+		x, y := PositionArrayToXY(xys[i])
+		slf.matrix[x][y] = item
+		slf.positions[item.GetGuid()] = PositionToArray(x, y)
+		slf.searchNeighbour(x, y, synchronization.NewMap[int64, bool](), synchronization.NewMap[int64, bool]())
+	}
+}
+
 func (slf *RadiationPattern[ItemType, Item]) searchNeighbour(x, y int, filter *synchronization.Map[int64, bool], childrenLinks *synchronization.Map[int64, bool]) {
 	var (
 		item           = slf.matrix[x][y]