diff --git a/NEWS.md b/NEWS.md
index 1be316a5..027d727e 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -11,6 +11,8 @@ Red Panda C++ Version 0.13.3
   - fix: app crash when ctrl+click on a #include statement that point to a directory instead of header file.
   - fix: ctrl+click on the enum value will jump to the wrong line in it's definition file
   - fix: line info in the mouse tip of statement not correct
+  - fix: editor crash when no highlighter is assigned (the editing file is a not c/cpp source file);
+  - fix: ')' not correctly skip in the editor when no highlighter is assigned (the editing file is a not c/cpp source file);
 
 Red Panda C++ Version 0.13.2
   - fix: "delete and exit" button in the environtment / folder option page doesn't work correctly 
diff --git a/RedPandaIDE/compiler/executablerunner.cpp b/RedPandaIDE/compiler/executablerunner.cpp
index 5dabeadc..0cd87a03 100644
--- a/RedPandaIDE/compiler/executablerunner.cpp
+++ b/RedPandaIDE/compiler/executablerunner.cpp
@@ -84,7 +84,7 @@ void ExecutableRunner::run()
     mProcess = std::make_shared<QProcess>();
     mProcess->setProgram(mFilename);
     mProcess->setArguments(splitProcessCommand(mArguments));
-    qDebug()<<splitProcessCommand(mArguments);
+    //qDebug()<<splitProcessCommand(mArguments);
     mProcess->setWorkingDirectory(mWorkDir);
     QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
     QString path = env.value("PATH");
diff --git a/RedPandaIDE/editor.cpp b/RedPandaIDE/editor.cpp
index ca3b2fe5..f5c18b73 100644
--- a/RedPandaIDE/editor.cpp
+++ b/RedPandaIDE/editor.cpp
@@ -2267,6 +2267,8 @@ void Editor::initParser()
 Editor::QuoteStatus Editor::getQuoteStatus()
 {
     QuoteStatus Result = QuoteStatus::NotQuote;
+    if (!highlighter())
+        return Result;
     if ((caretY()>1) && highlighter()->isLastLineStringNotFinished(lines()->ranges(caretY() - 2).state))
         Result = QuoteStatus::DoubleQuote;
 
diff --git a/RedPandaIDE/project.cpp b/RedPandaIDE/project.cpp
index 05ad43ee..a2d812e3 100644
--- a/RedPandaIDE/project.cpp
+++ b/RedPandaIDE/project.cpp
@@ -344,8 +344,8 @@ bool Project::removeUnit(int index, bool doClose , bool removeFile)
 
     PProjectUnit unit = mUnits[index];
 
-    qDebug()<<unit->fileName();
-    qDebug()<<(qint64)unit->editor();
+//    qDebug()<<unit->fileName();
+//    qDebug()<<(qint64)unit->editor();
     // Attempt to close it
     if (doClose && (unit->editor())) {
         if (!pMainWindow->editorList()->closeEditor(unit->editor()))
diff --git a/RedPandaIDE/qsynedit/SynEdit.cpp b/RedPandaIDE/qsynedit/SynEdit.cpp
index b5cd9f41..8322cd83 100644
--- a/RedPandaIDE/qsynedit/SynEdit.cpp
+++ b/RedPandaIDE/qsynedit/SynEdit.cpp
@@ -474,8 +474,6 @@ BufferCoord SynEdit::getMatchingBracketEx(BufferCoord APoint)
 
     if (mLines->count()<1)
         return BufferCoord{0,0};
-    if (!mHighlighter)
-        return BufferCoord{0,0};
     // get char at caret
     PosX = std::max(APoint.Char,1);
     PosY = std::max(APoint.Line,1);
@@ -499,13 +497,12 @@ BufferCoord SynEdit::getMatchingBracketEx(BufferCoord APoint)
                             p.Char = PosX;
                             p.Line = PosY;
                             if ((Test == BracketInc) || (Test == BracketDec)) {
+                                isCommentOrStringOrChar = false;
                                 if (getHighlighterAttriAtRowCol(p, vDummy, attr))
                                     isCommentOrStringOrChar =
                                         (attr == mHighlighter->stringAttribute()) ||
                                             (attr == mHighlighter->commentAttribute()) ||
                                             (attr->name() == SYNS_AttrCharacter);
-                                else
-                                    isCommentOrStringOrChar = false;
                                 if ((Test == BracketInc) && (!isCommentOrStringOrChar))
                                     NumBrackets++;
                                 else if ((Test == BracketDec) && (!isCommentOrStringOrChar)) {
@@ -534,6 +531,7 @@ BufferCoord SynEdit::getMatchingBracketEx(BufferCoord APoint)
                             p.Char = PosX;
                             p.Line = PosY;
                             if ((Test == BracketInc) || (Test == BracketDec)) {
+                                isCommentOrStringOrChar = false;
                                 if (getHighlighterAttriAtRowCol(p, vDummy, attr))
                                     isCommentOrStringOrChar =
                                         (attr == mHighlighter->stringAttribute()) ||