2020-12-22 1.网络变化，断开重连一次

JLChen

2020-12-22 d7d1a03f56880d5edb3541df39d3ba62869dd655

 HDL-ON_iOS/Scan.cs

@@ -35,7 +35,6 @@
                var bOn = false;
                mZXingOverlayView.OnCancel += () =>
                {

                    scanner?.Cancel();
                };