diff --git a/NEWS.md b/NEWS.md
index 03179dad..54911375 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,8 @@
+Red Panda C++ Version 1.0.3
+  - fix: when oj problem grabbed by competitive companion received,
+    the app is restored to normal state, no matter it's current state.
+  - enhancement: input shortcut in the option dialog's general -> shortcut page by pressing keys.
+
 Red Panda C++ Version 1.0.2
   - enhancement: press tab in column mode won't exit column mode
   - enhancement: refine behavior of undo input space char
diff --git a/RedPandaIDE/RedPandaIDE.pro b/RedPandaIDE/RedPandaIDE.pro
index 52962611..7ceaec13 100644
--- a/RedPandaIDE/RedPandaIDE.pro
+++ b/RedPandaIDE/RedPandaIDE.pro
@@ -10,7 +10,7 @@ isEmpty(APP_NAME) {
 }
 
 isEmpty(APP_VERSION) {
-    APP_VERSION=1.0.2
+    APP_VERSION=1.0.3
 }
 
 
@@ -181,6 +181,7 @@ SOURCES += \
     widgets/qpatchedcombobox.cpp \
     widgets/searchdialog.cpp \
     widgets/searchresultview.cpp \
+    widgets/shortcutinputedit.cpp \
     widgets/signalmessagedialog.cpp
 
 HEADERS += \
@@ -326,6 +327,7 @@ HEADERS += \
     widgets/qpatchedcombobox.h \
     widgets/searchdialog.h \
     widgets/searchresultview.h \
+    widgets/shortcutinputedit.h \
     widgets/signalmessagedialog.h
 
 FORMS += \
diff --git a/RedPandaIDE/mainwindow.cpp b/RedPandaIDE/mainwindow.cpp
index 40c4dfa7..faf4fe64 100644
--- a/RedPandaIDE/mainwindow.cpp
+++ b/RedPandaIDE/mainwindow.cpp
@@ -3309,7 +3309,8 @@ void MainWindow::onNewProblemConnection()
         ui->lstProblemSet->setCurrentIndex(mOJProblemSetModel.index(
                                                mOJProblemSetModel.count()-1
                                                ,0));
-        showNormal();
+        if (isMinimized())
+            showNormal();
         raise(); // for mac OS?
         activateWindow();
     }
diff --git a/RedPandaIDE/settingsdialog/environmentshortcutwidget.cpp b/RedPandaIDE/settingsdialog/environmentshortcutwidget.cpp
index d0cb097b..a2a12d26 100644
--- a/RedPandaIDE/settingsdialog/environmentshortcutwidget.cpp
+++ b/RedPandaIDE/settingsdialog/environmentshortcutwidget.cpp
@@ -17,6 +17,7 @@
 #include "environmentshortcutwidget.h"
 #include "ui_environmentshortcutwidget.h"
 #include "../mainwindow.h"
+#include "../widgets/shortcutinputedit.h"
 #include <QMenuBar>
 
 EnvironmentShortcutWidget::EnvironmentShortcutWidget(const QString& name, const QString& group, QWidget *parent) :
@@ -24,9 +25,12 @@ EnvironmentShortcutWidget::EnvironmentShortcutWidget(const QString& name, const
     ui(new Ui::EnvironmentShortcutWidget)
 {
     ui->setupUi(this);
+    mDelegate =new EnvironmentShortcutDelegate(this);
     ui->tblShortcut->setModel(&mModel);
+    ui->tblShortcut->setItemDelegate(mDelegate);
     connect(&mModel, &EnvironmentShortcutModel::shortcutChanged,
             this, &SettingsWidget::setSettingsChanged);
+    mDelegate =new EnvironmentShortcutDelegate(this);
 }
 
 EnvironmentShortcutWidget::~EnvironmentShortcutWidget()
@@ -92,7 +96,7 @@ QVariant EnvironmentShortcutModel::data(const QModelIndex &index, int role) cons
     if (!index.isValid()) {
         return QVariant();
     }
-    if (role==Qt::DisplayRole || role == Qt::EditRole) {
+    if (role==Qt::DisplayRole || role == Qt::EditRole || role == Qt::ToolTipRole) {
         PEnvironmentShortcut item = mShortcuts[index.row()];
         switch( index.column()) {
         case 0:
@@ -173,3 +177,25 @@ void EnvironmentShortcutModel::loadShortCutsOfMenu(const QMenu *menu, QList<QAct
         globalActions.removeAll(action);
     }
 }
+
+EnvironmentShortcutDelegate::EnvironmentShortcutDelegate(
+        QObject *parent) : QStyledItemDelegate(parent)
+{
+}
+
+QWidget *EnvironmentShortcutDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
+{
+    if (index.isValid() && index.column()==1) {
+        ShortcutInputEdit *editor=new ShortcutInputEdit(dynamic_cast<QWidget*>(parent));
+        connect(editor,&ShortcutInputEdit::inputFinished,
+                this, &EnvironmentShortcutDelegate::onEditingFinished);
+        return editor;
+    }
+    return QStyledItemDelegate::createEditor(parent,option,index);
+}
+
+void EnvironmentShortcutDelegate::onEditingFinished(QWidget* editor)
+{
+    emit commitData(editor);
+    emit closeEditor(editor, QAbstractItemDelegate::SubmitModelCache);
+}
diff --git a/RedPandaIDE/settingsdialog/environmentshortcutwidget.h b/RedPandaIDE/settingsdialog/environmentshortcutwidget.h
index ba5d164b..d0244925 100644
--- a/RedPandaIDE/settingsdialog/environmentshortcutwidget.h
+++ b/RedPandaIDE/settingsdialog/environmentshortcutwidget.h
@@ -18,6 +18,7 @@
 #define ENVIRONMENTSHORTCUTWIDGET_H
 
 #include <QAbstractTableModel>
+#include <QStyledItemDelegate>
 #include <QWidget>
 #include "settingswidget.h"
 #include "../shortcutmanager.h"
@@ -49,6 +50,18 @@ private:
     void loadShortCutsOfMenu(const QMenu * menu, QList<QAction*>& globalActions);
 private:
     QList<PEnvironmentShortcut> mShortcuts;
+
+};
+
+class EnvironmentShortcutDelegate: public QStyledItemDelegate {
+    Q_OBJECT
+public:
+    explicit EnvironmentShortcutDelegate(QObject *parent = nullptr);
+
+public:
+    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
+protected slots:
+    void onEditingFinished(QWidget* editor);
 };
 
 class EnvironmentShortcutWidget : public SettingsWidget
@@ -68,6 +81,7 @@ protected:
     void doSave() override;
 private:
     EnvironmentShortcutModel mModel;
+    EnvironmentShortcutDelegate* mDelegate;
 };
 
 #endif // ENVIRONMENTSHORTCUTWIDGET_H
diff --git a/RedPandaIDE/settingsdialog/environmentshortcutwidget.ui b/RedPandaIDE/settingsdialog/environmentshortcutwidget.ui
index 5b1854b9..2d584d1b 100644
--- a/RedPandaIDE/settingsdialog/environmentshortcutwidget.ui
+++ b/RedPandaIDE/settingsdialog/environmentshortcutwidget.ui
@@ -19,6 +19,9 @@
      <property name="alternatingRowColors">
       <bool>true</bool>
      </property>
+     <attribute name="horizontalHeaderDefaultSectionSize">
+      <number>250</number>
+     </attribute>
      <attribute name="horizontalHeaderStretchLastSection">
       <bool>true</bool>
      </attribute>
diff --git a/RedPandaIDE/widgets/shortcutinputedit.cpp b/RedPandaIDE/widgets/shortcutinputedit.cpp
new file mode 100644
index 00000000..9c884a53
--- /dev/null
+++ b/RedPandaIDE/widgets/shortcutinputedit.cpp
@@ -0,0 +1,54 @@
+#include "shortcutinputedit.h"
+
+#include <QKeyEvent>
+#include <QKeySequence>
+#include <QDebug>
+#include <QAction>
+
+ShortcutInputEdit::ShortcutInputEdit(QWidget* parent):QLineEdit(parent)
+{
+    QList<QAction *> acts = actions();
+    foreach (const QAction* action, acts) {
+        qDebug()<<action->shortcut()[0];
+    }
+}
+
+void ShortcutInputEdit::keyPressEvent(QKeyEvent *event)
+{
+    if (event->key()==Qt::Key_Delete && event->modifiers()==Qt::NoModifier) {
+        setText("");
+    } else if (event->key()==Qt::Key_Backspace && event->modifiers()==Qt::NoModifier) {
+        setText("");
+    } else if (event->key()==Qt::Key_Control ||
+            event->key()==Qt::Key_Alt ||
+            event->key()==Qt::Key_Shift ||
+            event->key()==Qt::Key_Meta
+            ) {
+        QKeySequence seq(event->modifiers());
+        setText("");
+    } else {
+        int key = event->key();
+        if (key==Qt::Key_Backtab)
+            key = Qt::Key_Tab;
+        QKeySequence seq(event->modifiers()|key);
+        setText(seq.toString());
+        if (key!=Qt::Key_Tab
+                && key!=Qt::Key_Enter
+                && key!=Qt::Key_Return)
+            emit inputFinished(this);
+    }
+    event->accept();
+}
+
+bool ShortcutInputEdit::event(QEvent *event)
+{
+    if (event->type()==QEvent::ShortcutOverride) {
+        keyPressEvent((QKeyEvent*)event);
+        event->accept();
+        return true;
+    } else if (event->type()==QEvent::KeyPress) {
+        keyPressEvent((QKeyEvent*)event);
+        return true;
+    }
+    return QLineEdit::event(event);
+}
diff --git a/RedPandaIDE/widgets/shortcutinputedit.h b/RedPandaIDE/widgets/shortcutinputedit.h
new file mode 100644
index 00000000..460e18b8
--- /dev/null
+++ b/RedPandaIDE/widgets/shortcutinputedit.h
@@ -0,0 +1,22 @@
+#ifndef SHORTCUTINPUTEDIT_H
+#define SHORTCUTINPUTEDIT_H
+
+#include <QLineEdit>
+
+class ShortcutInputEdit : public QLineEdit
+{
+    Q_OBJECT
+public:
+    ShortcutInputEdit(QWidget* parent);
+signals:
+    void inputFinished(QWidget* editor);
+    // QWidget interface
+protected:
+    void keyPressEvent(QKeyEvent *event) override;
+
+    // QObject interface
+public:
+    bool event(QEvent *event) override;
+};
+
+#endif // SHORTCUTINPUTEDIT_H
diff --git a/Red_Panda_CPP.pro b/Red_Panda_CPP.pro
index 72f2f36c..bd1d92a5 100644
--- a/Red_Panda_CPP.pro
+++ b/Red_Panda_CPP.pro
@@ -17,7 +17,7 @@ SUBDIRS += \
 
 APP_NAME = RedPandaCPP
 
-APP_VERSION = 1.0.2
+APP_VERSION = 1.0.3
 
 linux: {