diff --git a/src/Semi.Avalonia/Controls/DatePicker.axaml b/src/Semi.Avalonia/Controls/DatePicker.axaml
index bec8282..2f5b986 100644
--- a/src/Semi.Avalonia/Controls/DatePicker.axaml
+++ b/src/Semi.Avalonia/Controls/DatePicker.axaml
@@ -212,7 +212,7 @@
                     <Popup
                         Name="PART_Popup"
                         IsLightDismissEnabled="True"
-                        PlacementMode="Bottom"
+                        Placement="Bottom"
                         PlacementTarget="{TemplateBinding}"
                         WindowManagerAddShadowHint="False">
                         <DatePickerPresenter Name="PART_PickerPresenter" />
diff --git a/src/Semi.Avalonia/Controls/Menu.axaml b/src/Semi.Avalonia/Controls/Menu.axaml
index 417efd1..eb27000 100644
--- a/src/Semi.Avalonia/Controls/Menu.axaml
+++ b/src/Semi.Avalonia/Controls/Menu.axaml
@@ -176,7 +176,7 @@
                         IsLightDismissEnabled="False"
                         IsOpen="{TemplateBinding IsSubMenuOpen,
                                                  Mode=TwoWay}"
-                        PlacementMode="Right"
+                        Placement="RightEdgeAlignedTop"
                         VerticalOffset="-4"
                         WindowManagerAddShadowHint="False">
                         <Border
@@ -278,6 +278,7 @@
                             IsOpen="{TemplateBinding IsSubMenuOpen,
                                                      Mode=TwoWay}"
                             OverlayInputPassThroughElement="{Binding $parent[Menu]}"
+                            Placement="BottomEdgeAlignedLeft"
                             VerticalOffset="-4"
                             WindowManagerAddShadowHint="False">
                             <Border
diff --git a/src/Semi.Avalonia/Controls/TimePicker.axaml b/src/Semi.Avalonia/Controls/TimePicker.axaml
index d504fb6..90d21a0 100644
--- a/src/Semi.Avalonia/Controls/TimePicker.axaml
+++ b/src/Semi.Avalonia/Controls/TimePicker.axaml
@@ -233,7 +233,7 @@
                     <Popup
                         Name="PART_Popup"
                         IsLightDismissEnabled="True"
-                        PlacementMode="Bottom"
+                        Placement="Bottom"
                         PlacementTarget="{TemplateBinding}"
                         WindowManagerAddShadowHint="False">
                         <TimePickerPresenter Name="PART_PickerPresenter" />