diff --git a/NEWS.md b/NEWS.md
index a3f030c7..f8a7272e 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,7 @@
 Version 0.7.4
  - fix: when debug a project, and have breakpoints that not in opened editors, dev-cpp will crash
+ - fix: when a file is parsing in background, exit dev-cpp will crash
+ - fix: "tab to spaces" option in the editor general options widget doesn't work
 
 Version 0.7.3
  - enhancement: icons in project view
diff --git a/RedPandaIDE/parser/cppparser.cpp b/RedPandaIDE/parser/cppparser.cpp
index f738fdf6..7a62c100 100644
--- a/RedPandaIDE/parser/cppparser.cpp
+++ b/RedPandaIDE/parser/cppparser.cpp
@@ -32,6 +32,7 @@ CppParser::CppParser(QObject *parent) : QObject(parent)
     mIsHeader = false;
     mIsProjectFile = false;
 
+    mCppKeywords = CppKeywords;
     //mNamespaces;
     //mBlockBeginSkips;
     //mBlockEndSkips;
@@ -1289,7 +1290,7 @@ bool CppParser::checkForForBlock()
 
 bool CppParser::checkForKeyword()
 {
-    SkipType st = CppKeywords.value(mTokenizer[mIndex]->text,SkipType::skNone);
+    SkipType st = mCppKeywords.value(mTokenizer[mIndex]->text,SkipType::skNone);
     return st!=SkipType::skNone;
 }
 
@@ -1960,7 +1961,7 @@ void CppParser::handleForBlock()
 void CppParser::handleKeyword()
 {
     // Skip
-    SkipType skipType = CppKeywords.value(mTokenizer[mIndex]->text,SkipType::skNone);
+    SkipType skipType = mCppKeywords.value(mTokenizer[mIndex]->text,SkipType::skNone);
     switch (skipType) {
     case SkipType::skItself:
         // skip it;
diff --git a/RedPandaIDE/parser/cppparser.h b/RedPandaIDE/parser/cppparser.h
index f2a0e1c4..fa73323c 100644
--- a/RedPandaIDE/parser/cppparser.h
+++ b/RedPandaIDE/parser/cppparser.h
@@ -369,6 +369,7 @@ private:
 
     QRecursiveMutex mMutex;
     GetFileStreamCallBack mOnGetFileStream;
+    QMap<QString,SkipType> mCppKeywords;
 };
 using PCppParser = std::shared_ptr<CppParser>;
 
diff --git a/RedPandaIDE/qsynedit/SynEdit.cpp b/RedPandaIDE/qsynedit/SynEdit.cpp
index 39e09353..8e74d48e 100644
--- a/RedPandaIDE/qsynedit/SynEdit.cpp
+++ b/RedPandaIDE/qsynedit/SynEdit.cpp
@@ -1987,7 +1987,7 @@ void SynEdit::insertLine(bool moveCaret)
                 BackCounter--;
             }
         }
-        mLines->insert(mCaretY - 1, "");
+        mLines->insert(mCaretY - 1, GetLeftSpacing(SpaceCount2,true));
         nLinesInserted++;
         mUndoList->AddChange(SynChangeReason::crLineBreak, caretXY(), caretXY(), "",
                              SynSelectionMode::smNormal);
diff --git a/RedPandaIDE/settingsdialog/editorgeneralwidget.cpp b/RedPandaIDE/settingsdialog/editorgeneralwidget.cpp
index 5bfbc9af..b7894ad9 100644
--- a/RedPandaIDE/settingsdialog/editorgeneralwidget.cpp
+++ b/RedPandaIDE/settingsdialog/editorgeneralwidget.cpp
@@ -40,7 +40,7 @@ void EditorGeneralWidget::doLoad()
     //indents
     ui->chkAddIndent->setChecked(pSettings->editor().addIndent());
     ui->chkAutoIndent->setChecked(pSettings->editor().autoIndent());
-    ui->chkTabToSpaces->setChecked(pSettings->editor().autoIndent());
+    ui->chkTabToSpaces->setChecked(pSettings->editor().tabToSpaces());
     ui->spTabWidth->setValue(pSettings->editor().tabWidth());
     ui->chkShowIndentLines->setChecked(pSettings->editor().showIndentLines());
     ui->colorIndentLine->setColor(pSettings->editor().indentLineColor());
@@ -72,7 +72,7 @@ void EditorGeneralWidget::doSave()
     //indents
     pSettings->editor().setAddIndent(ui->chkAddIndent->isChecked());
     pSettings->editor().setAutoIndent(ui->chkAutoIndent->isChecked());
-    pSettings->editor().setAutoIndent(ui->chkTabToSpaces->isChecked());
+    pSettings->editor().setTabToSpaces(ui->chkTabToSpaces->isChecked());
     pSettings->editor().setTabWidth(ui->spTabWidth->value());
     pSettings->editor().setShowIndentLines(ui->chkShowIndentLines->isChecked());
     pSettings->editor().setIndentLineColor(ui->colorIndentLine->color());