diff --git a/Window5.xaml b/Window5.xaml
index 20771e5..95473da 100644
--- a/Window5.xaml
+++ b/Window5.xaml
@@ -233,13 +233,13 @@
                                 <TextBlock Text=" L" VerticalAlignment="Center" Margin="5,0"/>
                             </StackPanel>
 
-                            <Button Grid.Row="1" Grid.Column="2"
+                            <Button Grid.Row="1" Grid.Column="1"
                     Content="{DynamicResource test2}" 
                     Style="{StaticResource MyButtonStyle}" 
-                    Width="NaN" 
-                    Margin="5,0,5,0"
+                    Width="80" 
+                    Margin="200,0,8,0"
                     Click="Button_Click_19"
-                    VerticalAlignment="Center" Height="30"/>
+                    VerticalAlignment="Center" Height="30" Grid.ColumnSpan="2"/>
 
                             <!-- 3. 呼吸频率设置 -->
                             <TextBlock Grid.Row="2" Grid.Column="0"
@@ -256,13 +256,13 @@
                                 <TextBlock Text="{DynamicResource test8}" VerticalAlignment="Center" Margin="5,0"/>
                             </StackPanel>
 
-                            <Button Grid.Row="2" Grid.Column="2"
+                            <Button Grid.Row="2" Grid.Column="1"
                     Content="{DynamicResource test2}" 
                     Style="{StaticResource MyButtonStyle}" 
-                    Width="NaN" 
-                    Margin="5,0,5,0"
+                    Width="80" 
+                    Margin="200,0,11,0"
                     Click="Button_Click_20"
-                    VerticalAlignment="Center" Height="30"/>
+                    VerticalAlignment="Center" Height="30" Grid.ColumnSpan="2"/>
 
                             <!-- 4. 频率系数设置 -->
                             <TextBlock Grid.Row="3" Grid.Column="0"
@@ -278,13 +278,13 @@
                          IsReadOnly="True"/>
                             </StackPanel>
 
-                            <Button Grid.Row="3" Grid.Column="2"
+                            <Button Grid.Row="3" Grid.Column="1"
                     Content="{DynamicResource test2}" 
                     Style="{StaticResource MyButtonStyle}" 
-                    Width="NaN" 
-                    Margin="5,0,5,0"
+                    Width="80" 
+                    Margin="200,0,11,0"
                     Click="Button_Click_21"
-                    VerticalAlignment="Center" Height="30"/>
+                    VerticalAlignment="Center" Height="30" Grid.ColumnSpan="2"/>
                         </Grid>
                     </StackPanel>