diff --git a/MyTcpClient.cpp b/MyTcpClient.cpp
index 3c57a8c..97f8563 100644
--- a/MyTcpClient.cpp
+++ b/MyTcpClient.cpp
@@ -54,7 +54,7 @@ int MyTcpClient::sendData(char*data,qint64 len) {
     return bytesWritten;
 }
 void MyTcpClient::waitForRead() {
-    socket->waitForReadyRead();
+    socket->waitForReadyRead(3000);
 }
 void MyTcpClient::disconnectFromServer() {
     shouldReconnect = false;  // 停止自动重连
diff --git a/data_config.h b/data_config.h
index e798db2..da63468 100644
--- a/data_config.h
+++ b/data_config.h
@@ -294,6 +294,9 @@ typedef struct SeismicMonitor_{
         normal_voltage_low = -20;
         signal_sensitivity = 8;
         channel_type = -1;
+        function = 0;
+        first_channel_angle = 0;
+        second_channel_angle = 0;
     }
 } SeismicMonitor;
 
diff --git a/dc_outputs.ui b/dc_outputs.ui
index f951cf4..7853185 100644
--- a/dc_outputs.ui
+++ b/dc_outputs.ui
@@ -514,7 +514,7 @@
     <rect>
      <x>460</x>
      <y>280</y>
-     <width>31</width>
+     <width>41</width>
      <height>16</height>
     </rect>
    </property>
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 3916ba8..11c9c4d 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -298,6 +298,7 @@ void MainWindow::onMenuActionTriggered() {
                 CardType card_type = static_cast<CardType>(action->data().toInt());
                 qDebug() << "rack_type" << action->data() << "card type" << card_type;
                 int button_id = button->objectName().right(button->objectName().length() - 15).toInt();
+                current_slot = button_id;
                 qDebug() << slot_type << rack_type << button_id << map_slot_config[button_id].slot_type << map_slot_config[button_id + 2].slot_type   ;
                 map_slot_config[button_id].slot_label->setStyleSheet("QLabel { color :#2980b9; font: bold 16px}");
                 QString chan_display = "";
@@ -677,6 +678,12 @@ void MainWindow::on_pushButton_open_clicked() {
         return;
     }
     QFile file(tsi_config_file);
+    // 先读出当前权限
+    QFileDevice::Permissions p = file.permissions();
+    // 加上写权限（所有者）
+    p |= QFileDevice::WriteOwner | QFileDevice::WriteGroup | QFileDevice::WriteOther;
+    // 去掉只读相当于重新设置权限
+    file.setPermissions(p);
     if (!file.open(QIODevice::ReadOnly)) {
         qWarning() << "Failed to open update file.";
         return;
diff --git a/seismic_monitor.cpp b/seismic_monitor.cpp
index f2d2e9b..aa60921 100644
--- a/seismic_monitor.cpp
+++ b/seismic_monitor.cpp
@@ -47,6 +47,8 @@ Seismic_monitor::Seismic_monitor(int slot,CardType cardtype, QWidget *parent) :
     ui->label_text_4->setVisible(false);
     ui->label_text_5->setVisible(false);
     ui->label_text_6->setVisible(false);
+    ui->comboBox_function_1->setCurrentIndex(0);
+    ui->comboBox_function_2->setCurrentIndex(0);
     Init();
 }
 
@@ -647,7 +649,13 @@ void Seismic_monitor::on_pushButton_copy_channel_clicked()
 void Seismic_monitor::on_comboBox_function_2_currentIndexChanged(int index)
 {
     if(index == 1 && (ui->comboBox_chan_type_3->currentIndex() != 0 || ui->comboBox_chan_type_4->currentIndex() != 0)){
-        QMessageBox::warning(this, QStringLiteral("警告"), "通道1 和 通道2 必须为径向位移！");
+        QMessageBox::warning(this, QStringLiteral("警告"), "通道3 和 通道4 必须为径向位移！");
+        ui->comboBox_function_2->setCurrentIndex(0);
+        return;
+    }
+    if((index == 2||index == 3||index == 4)
+            && (ui->comboBox_chan_type_3->currentIndex() != 3 || ui->comboBox_chan_type_4->currentIndex() != 3)){
+        QMessageBox::warning(this, QStringLiteral("警告"), "通道3 和 通道4 必须为轴向位移！");
         ui->comboBox_function_2->setCurrentIndex(0);
         return;
     }
@@ -674,6 +682,9 @@ void Seismic_monitor::on_comboBox_function_2_currentIndexChanged(int index)
         ui->label_text_6->setVisible(false);
     }
     current_config_3_4 = index;
+    if(index != 0){
+        on_comboBox_dual_math_function_2_currentIndexChanged(0);
+    }
 }
 
 void Seismic_monitor::on_comboBox_function_1_currentIndexChanged(int index)
@@ -683,6 +694,12 @@ void Seismic_monitor::on_comboBox_function_1_currentIndexChanged(int index)
         ui->comboBox_function_1->setCurrentIndex(0);
         return;
     }
+    if((index == 2||index == 3||index == 4)
+            && (ui->comboBox_chan_type_3->currentIndex() != 3 || ui->comboBox_chan_type_4->currentIndex() != 3)){
+        QMessageBox::warning(this, QStringLiteral("警告"), "通道1 和 通道2 必须为轴向位移！");
+        ui->comboBox_function_1->setCurrentIndex(0);
+        return;
+    }
     if(index == 3){
         ui->lineEdit_first_1->setVisible(true);
         ui->lineEdit_second_1->setVisible(true);
@@ -706,6 +723,9 @@ void Seismic_monitor::on_comboBox_function_1_currentIndexChanged(int index)
         ui->label_text_5->setVisible(false);
     }
     current_config_1_2 = index;
+    if(index != 0){
+        on_comboBox_dual_math_function_currentIndexChanged(0);
+    }
 }
 QString Seismic_monitor::GetUnit(int unit_num){
     QString unit_str = "";
@@ -779,3 +799,51 @@ int Seismic_monitor::SetUnit(QString unit_str){
     }
     return unit_num;
 }
+
+void Seismic_monitor::on_comboBox_dual_math_function_currentIndexChanged(int index)
+{
+    std::shared_ptr<CardBase> base_ptr = ConfigMgr::Instance()->GetSlotPtr(slot_no);
+    std::shared_ptr<VibrationData> ptr = std::dynamic_pointer_cast<VibrationData>(base_ptr);
+    std::shared_ptr<VariableBase> variable_base1 = ptr->GetChannelPtr(1);
+    std::shared_ptr<VariableBase> variable_base2 = ptr->GetChannelPtr(2);
+    qDebug() << "comboBox_function_1" << ui->comboBox_function_1->currentIndex();
+    if(ui->comboBox_function_1->currentIndex() == kDMF && (index == kRMSSum || index == kRMSSubtraction)
+            && variable_base1->general.rectifier_function != 6
+            && variable_base2->general.rectifier_function != 6){
+        QMessageBox::warning(this, QStringLiteral("警告"), "通道1 和 通道2 整流器必须为RMS！");
+        ui->comboBox_function_1->setCurrentIndex(0);
+        return;
+    }
+    if((index == kSUM || index == kSUBTRACTION || index == kXYMin || index == kXYMax)
+            && variable_base1->general.rectifier_function !=
+            variable_base2->general.rectifier_function){
+        QMessageBox::warning(this, QStringLiteral("警告"), "通道1 和 通道2 整流器必须配置相同！");
+        ui->comboBox_function_1->setCurrentIndex(0);
+        return;
+    }
+}
+
+
+void Seismic_monitor::on_comboBox_dual_math_function_2_currentIndexChanged(int index)
+{
+    std::shared_ptr<CardBase> base_ptr = ConfigMgr::Instance()->GetSlotPtr(slot_no);
+    std::shared_ptr<VibrationData> ptr = std::dynamic_pointer_cast<VibrationData>(base_ptr);
+    std::shared_ptr<VariableBase> variable_base1 = ptr->GetChannelPtr(3);
+    std::shared_ptr<VariableBase> variable_base2 = ptr->GetChannelPtr(4);
+    qDebug() << "comboBox_function_2" << ui->comboBox_function_2->currentIndex();
+    if(ui->comboBox_function_2->currentIndex() == kDMF && (index == kRMSSum || index == kRMSSubtraction)
+            && variable_base1->general.rectifier_function != 6
+            && variable_base2->general.rectifier_function != 6){
+        QMessageBox::warning(this, QStringLiteral("警告"), "通道3 和 通道4 整流器必须为RMS！");
+        ui->comboBox_function_2->setCurrentIndex(0);
+        return;
+    }
+    if((index == kSUM || index == kSUBTRACTION || index == kXYMin || index == kXYMax)
+            && variable_base1->general.rectifier_function !=
+            variable_base2->general.rectifier_function){
+        QMessageBox::warning(this, QStringLiteral("警告"), "通道3 和 通道4 整流器必须配置相同！");
+        ui->comboBox_function_2->setCurrentIndex(0);
+        return;
+    }
+}
+
diff --git a/seismic_monitor.h b/seismic_monitor.h
index 1968e6e..89368e9 100644
--- a/seismic_monitor.h
+++ b/seismic_monitor.h
@@ -61,6 +61,10 @@ class Seismic_monitor : public QWidget {
 
     void on_comboBox_function_1_currentIndexChanged(int index);
 
+    void on_comboBox_dual_math_function_currentIndexChanged(int index);
+
+    void on_comboBox_dual_math_function_2_currentIndexChanged(int index);
+
 private:
     Ui::Seismic_monitor *ui;
     void UpdateData(std::shared_ptr<VibrationData> vib_data);