diff --git a/dialogcamset.cpp b/dialogcamset.cpp
index 32de6fb..851df86 100644
--- a/dialogcamset.cpp
+++ b/dialogcamset.cpp
@@ -18,10 +18,11 @@ DialogCamSet::~DialogCamSet()
 void DialogCamSet::on_pushButton_2_clicked()
 {
     QString portName = ui->comboBox->currentText();
-    if(ph->openPort(portName)){
-        QMessageBox::critical(this,"Error","Connect "+portName +" failed");
+    if(!ph->openPort(portName)){
+        QMessageBox::critical(this,"Error","Connect "+portName +" Failed");
+    }else{
+        QMessageBox::information(this,"Success","Connect "+portName +" Successfully");
     }
 
-
 }
 
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 69293cc..5f634a9 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -144,12 +144,16 @@ void MainWindow::on_pushButton_6_clicked()
 void MainWindow::on_pushButton_clicked()
 {
     cam1->saveFlag=true;
+    onLogPrint1("start saving ...");
 
 }
 
 
 void MainWindow::on_pushButton_7_clicked()
 {
+
     cam1->saveFlag=false;
+    onLogPrint1("stop saving ...");
+
 }