diff --git a/NEWS.md b/NEWS.md
index e86b69c8..8cac1ec1 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,10 @@
+Version 0.9.3 For Dev-C++ 7 Beta
+ - fix: the count in the title of issues view isn't correct
+ - fix: columns calculation not correct when paint lines containing chinese characters
+ - fix: restore caret position after reformat code
+ - enhancement: ask user to rebuild project, when run/debug the project and it has been modified
+ - fix: correct set the enabled state of "delete line"/"insert line"/"delete word"/"delete to BOL"/"delete to EOL" menu items
+
 Version 0.9.2 For Dev-C++ 7 Beta
  - fix: gutter of the disassembly code control in the cpu info dialog is grayed
  - fix: problem set & problem views not correctly hidden when disabled in the executor / problem set options 
diff --git a/RedPandaIDE/compiler/compilermanager.cpp b/RedPandaIDE/compiler/compilermanager.cpp
index ebc96c31..c9ddc372 100644
--- a/RedPandaIDE/compiler/compilermanager.cpp
+++ b/RedPandaIDE/compiler/compilermanager.cpp
@@ -330,8 +330,9 @@ void CompilerManager::onSyntaxCheckIssue(PCompileIssue issue)
 {
     if (issue->type == CompileIssueType::Error)
         mSyntaxCheckErrorCount++;
-    mSyntaxCheckIssueCount++;
-
+    if (issue->type == CompileIssueType::Error ||
+            issue->type == CompileIssueType::Warning)
+        mSyntaxCheckIssueCount++;
 }
 
 int CompilerManager::syntaxCheckIssueCount() const
diff --git a/RedPandaIDE/compiler/projectcompiler.cpp b/RedPandaIDE/compiler/projectcompiler.cpp
index 90a04d91..379053f7 100644
--- a/RedPandaIDE/compiler/projectcompiler.cpp
+++ b/RedPandaIDE/compiler/projectcompiler.cpp
@@ -265,9 +265,9 @@ void ProjectCompiler::writeMakeClean(QFile &file)
 {
     writeln(file, "clean: clean-custom");
     if (mProject->options().type == ProjectType::DynamicLib)
-        writeln(file, "\t${RM} $(CLEANOBJ) $(BIN) $(DEF) $(STATIC) > NUL 2>&1 ");
+        writeln(file, "\t${RM} $(CLEANOBJ) $(BIN) $(DEF) $(STATIC) > NUL 2>&1");
     else
-        writeln(file, "\t${RM} $(CLEANOBJ) $(BIN)  > NUL 2>&1 ");
+        writeln(file, "\t${RM} $(CLEANOBJ) $(BIN) > NUL 2>&1");
     writeln(file);
 }
 
diff --git a/RedPandaIDE/editor.cpp b/RedPandaIDE/editor.cpp
index 7873cbb1..5755af9e 100644
--- a/RedPandaIDE/editor.cpp
+++ b/RedPandaIDE/editor.cpp
@@ -876,7 +876,6 @@ void Editor::onPreparePaintHighlightToken(int line, int aChar, const QString &to
     if (token.isEmpty())
         return;
 
-//    qDebug()<<token<<"-"<<attr->name()<<" - "<<line<<" : "<<aChar;
     if (mParser && highlighter() && (attr == highlighter()->identifierAttribute())) {
         BufferCoord p{aChar,line};
         BufferCoord pBeginPos,pEndPos;
@@ -3569,6 +3568,8 @@ void Editor::reformat()
                                             pSettings->dirs().app(),
                                             args,
                                             content);
+    int oldTopLine = topLine();
+    BufferCoord mOldCaret = caretXY();
 
     selectAll();
     SynEditorOptions oldOptions = getOptions();
@@ -3576,6 +3577,8 @@ void Editor::reformat()
     newOptions.setFlag(SynEditorOption::eoAutoIndent,false);
     setOptions(newOptions);
     setSelText(QString::fromUtf8(newContent));
+    setCaretXY(mOldCaret);
+    setTopLine(oldTopLine);
     setOptions(oldOptions);
     reparse();
     checkSyntaxInBack();
diff --git a/RedPandaIDE/mainwindow.cpp b/RedPandaIDE/mainwindow.cpp
index 89568946..dd964017 100644
--- a/RedPandaIDE/mainwindow.cpp
+++ b/RedPandaIDE/mainwindow.cpp
@@ -339,6 +339,12 @@ void MainWindow::updateEditorActions()
         ui->actionUnIndent->setEnabled(false);
         ui->actionUndo->setEnabled(false);
         ui->actionUnfoldAll->setEnabled(false);
+        ui->actionDelete_Line->setEnabled(false);
+        ui->actionDelete_Word->setEnabled(false);
+        ui->actionDuplicate_Line->setEnabled(false);
+        ui->actionDelete_to_BOL->setEnabled(false);
+        ui->actionDelete_to_EOL->setEnabled(false);
+
         ui->actionFind->setEnabled(false);
         ui->actionReplace->setEnabled(false);
         ui->actionFind_Next->setEnabled(false);
@@ -379,6 +385,11 @@ void MainWindow::updateEditorActions()
         ui->actionToggleComment->setEnabled(!e->readOnly() && e->lines()->count()>0);
         ui->actionUnIndent->setEnabled(!e->readOnly() && e->lines()->count()>0);
         ui->actionUnfoldAll->setEnabled(e->lines()->count()>0);
+        ui->actionDelete_Line->setEnabled(!e->readOnly() && e->lines()->count()>0);
+        ui->actionDelete_Word->setEnabled(!e->readOnly() && e->lines()->count()>0);
+        ui->actionDuplicate_Line->setEnabled(!e->readOnly() && e->lines()->count()>0);
+        ui->actionDelete_to_BOL->setEnabled(!e->readOnly() && e->lines()->count()>0);
+        ui->actionDelete_to_EOL->setEnabled(!e->readOnly() && e->lines()->count()>0);
 
         ui->actionFind->setEnabled(true);
         ui->actionReplace->setEnabled(true);
@@ -1079,30 +1090,14 @@ void MainWindow::checkSyntaxInBack(Editor *e)
         mCompilerManager->checkSyntax(e->filename(),e->text(),
                                           e->fileEncoding() == ENCODING_ASCII, nullptr);
     }
-//    if not PrepareForCompile(cttStdin,True) then begin
-//      fCheckSyntaxInBack:=False;
-//      Exit;
-//    end;
-//    if e.InProject then begin
-//      if not assigned(MainForm.fProject) then
-//        Exit;
-//      fSyntaxChecker.Project := MainForm.fProject;
-//    end;
-    //    fSyntaxChecker.CheckSyntax(True);
 }
 
 bool MainWindow::compile(bool rebuild)
 {
     CompileTarget target =getCompileTarget();
     if (target == CompileTarget::Project) {
-        if (!mProject->saveUnits())
-            return false;
-        // Check if saves have been succesful
-        for (int i=0; i<mEditorList->pageCount();i++) {
-            Editor * e= (*(mEditorList))[i];
-            if (e->inProject() && e->modified())
-                return false;
-        }
+        if (mProject->modified())
+            mProject->saveAll();
         clearIssues();
 
         // Increment build number automagically
@@ -1209,6 +1204,18 @@ void MainWindow::runExecutable(RunType runType)
 {
     CompileTarget target =getCompileTarget();
     if (target == CompileTarget::Project) {
+        if (mProject->modified()  &&
+                QMessageBox::question(
+                    this,
+                    tr("Rebuild Project"),
+                    tr("Project has been modified, do you want to rebuild it?")
+                                                      ) == QMessageBox::Yes) {
+            mProject->saveAll();
+            mCompileSuccessionTask=std::make_shared<CompileSuccessionTask>();
+            mCompileSuccessionTask->type = CompileSuccessionTaskType::RunNormal;
+            compile();
+            return;
+        }
         runExecutable(mProject->executable(),mProject->filename(),runType);
     } else {
         Editor * editor = mEditorList->getEditor();
@@ -1277,6 +1284,17 @@ void MainWindow::debug()
             }
             return;
         }
+        if (mProject->modified()  &&
+                QMessageBox::question(
+                    this,
+                    tr("Compile Project"),
+                    tr("Project has been modified, do you want to rebuild it?")
+                                                      ) == QMessageBox::Yes) {
+            mCompileSuccessionTask=std::make_shared<CompileSuccessionTask>();
+            mCompileSuccessionTask->type = CompileSuccessionTaskType::Debug;
+            compile();
+            return;
+        }
         // Did we choose a host application for our DLL?
         if (mProject->options().type == ProjectType::DynamicLib) {
             if (mProject->options().hostApplication.isEmpty()) {
@@ -5703,7 +5721,6 @@ void MainWindow::on_actionDelete_Line_triggered()
     }
 }
 
-
 void MainWindow::on_actionDuplicate_Line_triggered()
 {
     Editor *e=mEditorList->getEditor();
diff --git a/RedPandaIDE/mainwindow.ui b/RedPandaIDE/mainwindow.ui
index 52bd5973..d45c3e17 100644
--- a/RedPandaIDE/mainwindow.ui
+++ b/RedPandaIDE/mainwindow.ui
@@ -506,7 +506,7 @@
         <enum>QTabWidget::South</enum>
        </property>
        <property name="currentIndex">
-        <number>6</number>
+        <number>0</number>
        </property>
        <property name="iconSize">
         <size>
@@ -702,7 +702,7 @@
              <enum>QTabWidget::North</enum>
             </property>
             <property name="currentIndex">
-             <number>2</number>
+             <number>0</number>
             </property>
             <widget class="QWidget" name="tabDebugConsole">
              <attribute name="title">
@@ -1381,7 +1381,7 @@
      <x>0</x>
      <y>0</y>
      <width>1114</width>
-     <height>25</height>
+     <height>30</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
@@ -2613,26 +2613,41 @@
    <property name="text">
     <string>Delete Line</string>
    </property>
+   <property name="shortcut">
+    <string>Ctrl+D</string>
+   </property>
   </action>
   <action name="actionDuplicate_Line">
    <property name="text">
     <string>Duplicate Line</string>
    </property>
+   <property name="shortcut">
+    <string>Ctrl+E</string>
+   </property>
   </action>
   <action name="actionDelete_Word">
    <property name="text">
     <string>Delete Word</string>
    </property>
+   <property name="shortcut">
+    <string>Ctrl+Shift+D</string>
+   </property>
   </action>
   <action name="actionDelete_to_EOL">
    <property name="text">
     <string>Delete to EOL</string>
    </property>
+   <property name="shortcut">
+    <string>Ctrl+Del</string>
+   </property>
   </action>
   <action name="actionDelete_to_BOL">
    <property name="text">
     <string>Delete to BOL</string>
    </property>
+   <property name="shortcut">
+    <string>Ctrl+Backspace</string>
+   </property>
   </action>
  </widget>
  <customwidgets>
diff --git a/RedPandaIDE/qsynedit/SynEdit.cpp b/RedPandaIDE/qsynedit/SynEdit.cpp
index 5194d8f3..3c1793f3 100644
--- a/RedPandaIDE/qsynedit/SynEdit.cpp
+++ b/RedPandaIDE/qsynedit/SynEdit.cpp
@@ -250,6 +250,10 @@ void SynEdit::setCaretXYEx(bool CallEnsureCursorPos, BufferCoord value)
                 invalidateLine(mCaretY);
                 invalidateLine(oldCaretY);
             }
+            if (mGutter.activeLineTextColor().isValid()) {
+                invalidateGutterLine(mCaretY);
+                invalidateGutterLine(oldCaretY);
+            }
             mStatusChanges.setFlag(SynStatusChange::scCaretY);
         }
         // Call UpdateLastCaretX before DecPaintLock because the event handler it
@@ -829,7 +833,7 @@ int SynEdit::columnToChar(int aLine, int aColumn) const
 
 int SynEdit::stringColumns(const QString &line, int colsBefore) const
 {
-    int columns = colsBefore;
+    int columns = std::max(0,colsBefore);
     int charCols;
     for (int i=0;i<line.length();i++) {
         QChar ch = line[i];
diff --git a/RedPandaIDE/qsynedit/TextPainter.cpp b/RedPandaIDE/qsynedit/TextPainter.cpp
index a524d119..435d2a0b 100644
--- a/RedPandaIDE/qsynedit/TextPainter.cpp
+++ b/RedPandaIDE/qsynedit/TextPainter.cpp
@@ -995,7 +995,7 @@ void SynEditTextPainter::PaintLines()
                 edit->mHighlighter->next();
             }
             // Don't assume HL.GetTokenPos is valid after HL.GetEOL == True.
-            nTokenColumnsBefore += edit->stringColumns(sToken,nTokenColumnsBefore-1);
+            nTokenColumnsBefore += edit->stringColumns(sToken,nTokenColumnsBefore);
             if (edit->mHighlighter->eol() && (nTokenColumnsBefore < vLastChar)) {
                 int lineColumns = edit->mLines->lineColumns(vLine-1);
                 // Draw text that couldn't be parsed by the highlighter, if any.