diff --git a/Ink Canvas/MainWindow.xaml b/Ink Canvas/MainWindow.xaml
index 70c8200a..ab66b0e7 100644
--- a/Ink Canvas/MainWindow.xaml	
+++ b/Ink Canvas/MainWindow.xaml	
@@ -538,7 +538,7 @@
                                 </GroupBox.Header>
                                 <ui:SimpleStackPanel Spacing="6" Margin="0,10,0,0">
                                     <TextBlock TextWrapping="Wrap" Margin="0,0,0,10" Foreground="#fafafa">
-                                        选择软件运行模式。仅PPT模式下，软件将完全隐藏，仅在PPT放映时出现。
+                                        选择软件运行模式。仅PPT模式下，软件将完全隐藏，仅在PPT放映时出现。（实验性功能，可能不稳定。）
                                     </TextBlock>
                                     <ui:SimpleStackPanel Orientation="Horizontal" HorizontalAlignment="Left" Margin="0,10,0,0">
                                         <TextBlock Text="正常模式" VerticalAlignment="Center" Foreground="#fafafa" 
@@ -1958,6 +1958,8 @@
                                                          FontFamily="Microsoft YaHei UI" FontWeight="Bold"
                                                          Toggled="ToggleSwitchNotifyPreviousPage_Toggled" />
                                     </ui:SimpleStackPanel>
+                                    <TextBlock Text="#开启后会记录上次播放的页数，点击“是”后会在进入放映状态时自动跳转"
+                                               TextWrapping="Wrap" Foreground="#a1a1aa" />
                                     <ui:SimpleStackPanel Orientation="Horizontal" HorizontalAlignment="Left">
                                         <TextBlock Foreground="#fafafa" Text="进入放映时回到首页" VerticalAlignment="Center"
                                                    FontSize="14" Margin="0,0,16,0" />