diff --git a/src/src/PACS/Widget/importwidget.cpp b/src/src/PACS/Widget/importwidget.cpp
index 8386e1a..629f411 100644
--- a/src/src/PACS/Widget/importwidget.cpp
+++ b/src/src/PACS/Widget/importwidget.cpp
@@ -361,7 +361,7 @@ void ImportWidget::getDateIntervalForQuery(QString& startDate, QString& endDate)
 	else if(m_pDateComboBox->currentText() == tr("Yesterday"))
 	{
 		startDate_ = date.addDays(-1);
-        endDate_ = date;
+        endDate_ = startDate_;
 	}
 	else if (m_pDateComboBox->currentText() == tr("This week"))
 	{
@@ -419,6 +419,8 @@ void ImportWidget::getDateIntervalForQuery(QString& startDate, QString& endDate)
 // if pacs info changed, need reset the info 
 void ImportWidget::query()
 {
+    m_pSearchButton->setDisabled(true);
+    m_pClearButton->setDisabled(true);
     if (mQueryWorkerThread == nullptr)
 	{
         mQueryWorkerThread = new QThread;
@@ -493,6 +495,8 @@ void ImportWidget::onStudyFoundResult(PACSStudyInfo studyInfo)
 
 void ImportWidget::updateStudyView()
 {
+    m_pSearchButton->setEnabled(true);
+    m_pClearButton->setEnabled(true);
 	m_pStudyModel->clear();
 	m_pStudyModel->setHorizontalHeaderLabels(m_lStudyHeaders);
 	int iRowIdx = 0;