diff --git a/Correlator/Dialog/ImportResponseDialog.xaml b/Correlator/Dialog/ImportResponseDialog.xaml
index 91f3b10..d7dca60 100644
--- a/Correlator/Dialog/ImportResponseDialog.xaml
+++ b/Correlator/Dialog/ImportResponseDialog.xaml
@@ -37,6 +37,7 @@
         <Grid Margin="10">
             <Grid.RowDefinitions>
                 <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
                 <RowDefinition />
                 <RowDefinition />
             </Grid.RowDefinitions>
@@ -68,7 +69,9 @@
                 </StackPanel>
             </Grid>
 
-            <Grid Grid.Row="1">
+            <Grid Grid.Row="1" />
+
+            <Grid Grid.Row="2">
                 <Grid.ColumnDefinitions>
                     <ColumnDefinition Width="Auto" />
                     <ColumnDefinition />
@@ -116,7 +119,7 @@
                 </StackPanel>
             </Grid>
 
-            <Grid Grid.Row="2">
+            <Grid Grid.Row="3">
                 <Grid.ColumnDefinitions>
                     <ColumnDefinition Width="Auto" />
                     <ColumnDefinition />
@@ -145,7 +148,7 @@
 
                         <hc:TextBox
                             Grid.Column="0"
-                            hc:InfoElement.Placeholder="请选择蓝色色传感器原始数据文件"
+                            hc:InfoElement.Placeholder="请选择蓝色传感器原始数据文件"
                             FontSize="16"
                             ShowClearButton="True"
                             Text="{Binding BlueSensorFilePath}" />

diff --git a/Correlator/Dialog/ImportResponseDialog.xaml b/Correlator/Dialog/ImportResponseDialog.xaml
index 91f3b10..d7dca60 100644
--- a/Correlator/Dialog/ImportResponseDialog.xaml
+++ b/Correlator/Dialog/ImportResponseDialog.xaml
@@ -37,6 +37,7 @@
         <Grid Margin="10">
             <Grid.RowDefinitions>
                 <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
                 <RowDefinition />
                 <RowDefinition />
             </Grid.RowDefinitions>
@@ -68,7 +69,9 @@
                 </StackPanel>
             </Grid>
 
-            <Grid Grid.Row="1">
+            <Grid Grid.Row="1" />
+
+            <Grid Grid.Row="2">
                 <Grid.ColumnDefinitions>
                     <ColumnDefinition Width="Auto" />
                     <ColumnDefinition />
@@ -116,7 +119,7 @@
                 </StackPanel>
             </Grid>
 
-            <Grid Grid.Row="2">
+            <Grid Grid.Row="3">
                 <Grid.ColumnDefinitions>
                     <ColumnDefinition Width="Auto" />
                     <ColumnDefinition />
@@ -145,7 +148,7 @@
 
                         <hc:TextBox
                             Grid.Column="0"
-                            hc:InfoElement.Placeholder="请选择蓝色色传感器原始数据文件"
+                            hc:InfoElement.Placeholder="请选择蓝色传感器原始数据文件"
                             FontSize="16"
                             ShowClearButton="True"
                             Text="{Binding BlueSensorFilePath}" />
diff --git a/Correlator/ViewModels/MainWindowViewModel.cs b/Correlator/ViewModels/MainWindowViewModel.cs
index 0272dbf..145a3e2 100644
--- a/Correlator/ViewModels/MainWindowViewModel.cs
+++ b/Correlator/ViewModels/MainWindowViewModel.cs
@@ -691,7 +691,7 @@
                     }
                 }
             };
-            // _checkSerialPortTimer.Start();
+            _checkSerialPortTimer.Start();
 
             //实时显示时间
             _timer.Tick += delegate