diff --git a/App/CommandUI/CommandUI.cpp b/App/CommandUI/CommandUI.cpp
index 547649c..e1ff53c 100644
--- a/App/CommandUI/CommandUI.cpp
+++ b/App/CommandUI/CommandUI.cpp
@@ -1,4 +1,4 @@
-#include "CommandUI.h"
+#include "CommandUI.h"
 #include "ui_CommandUI.h"
 
 #include "QtTextToSpeech/QtTextToSpeech"
@@ -133,6 +133,20 @@ void CommandUI::wheelEvent(QWheelEvent *e)
     }
 }
 
+void CommandUI::keyPressEvent(QKeyEvent *event)   //键盘按下事件
+{
+
+    switch(event->key())
+    {
+        case Qt::Key_Space :
+        {
+            qInfo() << "command key" << event;
+        }
+        break;
+    }
+}
+
+
 void CommandUI::mousePressEvent(QMouseEvent *event)
 {
     if (event->button() == Qt::MiddleButton)
diff --git a/App/CommandUI/CommandUI.h b/App/CommandUI/CommandUI.h
index 70f588e..292cded 100644
--- a/App/CommandUI/CommandUI.h
+++ b/App/CommandUI/CommandUI.h
@@ -1,4 +1,4 @@
-#ifndef COMMANDUI_H
+#ifndef COMMANDUI_H
 #define COMMANDUI_H
 
 #include <QWidget>
@@ -60,6 +60,10 @@ protected:
    void wheelEvent(QWheelEvent *e);
    void mousePressEvent(QMouseEvent *event);
 
+   void keyPressEvent(QKeyEvent *event);
+
+   void loadCommandJson(const QString& jsonFilename);
+
 public slots:
     void setFloat(void);
     void setFloatFlag(bool flag);
@@ -91,9 +95,7 @@ private slots:
 
    void on_groupBox_Command_clicked();
 
-protected:
 
-   void loadCommandJson(const QString& jsonFilename);
 
 
 private:
diff --git a/mavlink b/mavlink
index 54c7286..d1fe3a3 160000
--- a/mavlink
+++ b/mavlink
@@ -1 +1 @@
-Subproject commit 54c7286a2cd08c17b8ea612be84c9e27314935b5
+Subproject commit d1fe3a364f2c09ec68e3f35d4c04b297a0d2efa4