diff --git a/Console/main.cpp b/Console/main.cpp
index 41ff558..74d7e47 100644
--- a/Console/main.cpp
+++ b/Console/main.cpp
@@ -12,6 +12,11 @@
 
 int main(int argc, char* argv[])
 {
+    qRegisterMetaType<QSharedPointer<FrameBuffer>>("QSharedPointer<FrameBuffer>");
+    qRegisterMetaType<InfoClientVec>("InfoClientVec");
+    qRegisterMetaType<DirFileInfoVec>("DirFileInfoVec");
+    qRegisterMetaType<TransTask>("TransTask");
+    qRegisterMetaType<QVector<QString>>("QVector<QString>");
 
 #if defined(_WIN32)
     SetConsoleOutputCP(CP_UTF8);
@@ -25,11 +30,6 @@ int main(int argc, char* argv[])
         return 0;
     }
 
-    qRegisterMetaType<QSharedPointer<FrameBuffer>>("QSharedPointer<FrameBuffer>");
-    qRegisterMetaType<InfoClientVec>("InfoClientVec");
-    qRegisterMetaType<DirFileInfoVec>("DirFileInfoVec");
-    qRegisterMetaType<TransTask>("TransTask");
-
     QCoreApplication app(argc, argv);
 
     Util::InitLogger("frelayConsole.log", "frelayConsole");
diff --git a/Gui/Control/CompareControl.cpp b/Gui/Control/CompareControl.cpp
index ddef514..b46397e 100644
--- a/Gui/Control/CompareControl.cpp
+++ b/Gui/Control/CompareControl.cpp
@@ -3,6 +3,7 @@
 #include <QDesktopServices>
 #include <QDir>
 #include <QFile>
+#include <QMessageBox>
 #include <QXmlStreamReader>
 #include <QXmlStreamWriter>
 
@@ -306,6 +307,11 @@ void Compare::TransToLeft()
     QVector<TransTask> tasks;
     QModelIndexList indexList = ui->tableWidget->selectionModel()->selectedRows();
 
+    if (indexList.size() < 1) {
+        QMessageBox::information(this, tr("提示"), tr("请选择要下载的文件。"));
+        return;
+    }
+
     for (int i = 0; i < indexList.size(); ++i) {
         const QTableWidgetItem* itemF = ui->tableWidget->item(indexList[i].row(), 2);
         const QTableWidgetItem* itemT = ui->tableWidget->item(indexList[i].row(), 1);
@@ -327,6 +333,11 @@ void Compare::TransToRight()
     QVector<TransTask> tasks;
     QModelIndexList indexList = ui->tableWidget->selectionModel()->selectedRows();
 
+    if (indexList.size() < 1) {
+        QMessageBox::information(this, tr("提示"), tr("请选择要上传的文件。"));
+        return;
+    }
+
     for (int i = 0; i < indexList.size(); ++i) {
         const QTableWidgetItem* itemF = ui->tableWidget->item(indexList[i].row(), 1);
         const QTableWidgetItem* itemT = ui->tableWidget->item(indexList[i].row(), 2);
diff --git a/Gui/main.cpp b/Gui/main.cpp
index 9a2e875..67922d2 100644
--- a/Gui/main.cpp
+++ b/Gui/main.cpp
@@ -7,6 +7,11 @@
 
 int main(int argc, char* argv[])
 {
+    qRegisterMetaType<QSharedPointer<FrameBuffer>>("QSharedPointer<FrameBuffer>");
+    qRegisterMetaType<InfoClientVec>("InfoClientVec");
+    qRegisterMetaType<DirFileInfoVec>("DirFileInfoVec");
+    qRegisterMetaType<TransTask>("TransTask");
+    qRegisterMetaType<QVector<QString>>("QVector<QString>");
 
 #if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
@@ -22,10 +27,6 @@ int main(int argc, char* argv[])
 #endif
 
     qInstallMessageHandler(frelayGUI::ControlMsgHander);
-    qRegisterMetaType<QSharedPointer<FrameBuffer>>("QSharedPointer<FrameBuffer>");
-    qRegisterMetaType<InfoClientVec>("InfoClientVec");
-    qRegisterMetaType<DirFileInfoVec>("DirFileInfoVec");
-    qRegisterMetaType<TransTask>("TransTask");
 
     frelayGUI w;