Merge branch 'master' of http://gitblit.broconcentric.com:8088/r/M071

wells.liu

2020-09-07 1491846b4736bc2e79604086acfd8544aa3ba384

 src/Bro.UI.Model.Winform/UI/CanvasImage.cs

@@ -614,6 +614,9 @@
            if (map == null)
                return;

            MAP?.Dispose();
            MAP = null;

            MAP = map;
            //MAP = map;