diff --git a/.vscode/settings.json b/.vscode/settings.json
index 4304dc3..8aa97c9 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -4,6 +4,7 @@
     "cmake.configureOnOpen": true,
     "editor.fontFamily": "'Maple Mono NL NF CN Light', 'Maple Mono NL NF CN Light', 'Maple Mono NL NF CN Light'",
     "cmake.debugConfig": {
+        "type": "lldb", 
         "console": "externalTerminal",
         "setupCommands": [
             {
@@ -12,11 +13,10 @@
                 "ignoreFailures": true
             }
         ],
-        "visualizerFile": "${workspaceRoot}/.vscode/qt5.natvis",
         "args": []
     },
     "cmake.configureSettings": {
-        "CMAKE_PREFIX_PATH": "C:/Qt/Qt6",
+        "CMAKE_PREFIX_PATH": "C:/local/Qt6",
     },
     "cmake.configureArgs": [
         "-Wno-dev",
diff --git a/Console/main.cpp b/Console/main.cpp
index 65eadd8..cb84824 100644
--- a/Console/main.cpp
+++ b/Console/main.cpp
@@ -38,6 +38,11 @@ int main(int argc, char* argv[])
     auto core = std::make_shared<ClientCore>();
     auto helper = std::make_shared<ConsoleHelper>();
 
+    QObject::connect(core.get(), &ClientCore::conFailed, [&app](){
+        qWarning() << "Abnormal state, quit...";
+        app.exit();
+    });
+
     helper->SetIpPort(argv[1], QString("%1").arg(argv[2]).toInt());
     helper->RunWorker(core.get());
     helper->Connect();
diff --git a/Gui/Control/FileControl.h b/Gui/Control/FileControl.h
index d75f7e8..094e916 100644
--- a/Gui/Control/FileControl.h
+++ b/Gui/Control/FileControl.h
@@ -38,8 +38,8 @@ public:
     void SetType(const QString& sendType, const QString& ansType);
     void SetPath(const QString& stra, const QString& strb, const QString& type);
     InfoMsg GetMsg() const;
-    virtual void interrupCheck();
-    virtual void recvFrame(QSharedPointer<FrameBuffer> frame);
+    void interrupCheck() override;
+    void recvFrame(QSharedPointer<FrameBuffer> frame) override;
 
 private:
     bool recvMsg_{};
diff --git a/Gui/Control/cpTableWidget.h b/Gui/Control/cpTableWidget.h
index 1d4f111..1548164 100644
--- a/Gui/Control/cpTableWidget.h
+++ b/Gui/Control/cpTableWidget.h
@@ -18,7 +18,7 @@ public:
 
 protected:
     void dropEvent(QDropEvent* event) override;
-    void dragEnterEvent(QDragEnterEvent* event);
+    void dragEnterEvent(QDragEnterEvent* event) override;
 
 private:
     bool isResource_{};
diff --git a/Gui/Control/cusTableWidget.h b/Gui/Control/cusTableWidget.h
index 7fe3f1c..d9a5446 100644
--- a/Gui/Control/cusTableWidget.h
+++ b/Gui/Control/cusTableWidget.h
@@ -22,7 +22,7 @@ public:
 
 protected:
     void dropEvent(QDropEvent* event) override;
-    void dragEnterEvent(QDragEnterEvent* event);
+    void dragEnterEvent(QDragEnterEvent* event) override;
 
 protected:
     bool isRemote_{false};