Merge branch 'dev-tzy' into temp-wxr

wxr

2021-02-26 6a09cc33a9e800f640046350a69ba63a31f1f64b

 HDL_ON/UI/UI1-Login/RegisterPageBLL.cs

@@ -610,6 +610,7 @@
                    Application.RunOnMainThread(() =>
                    {
                        waitPage.Hide();
                        waitPage.RemoveFromParent();
                    });
                }
            });