diff --git a/NEWS.md b/NEWS.md
index 672b16b7..a827adff 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -25,6 +25,7 @@ Red Panda C++ Version 2.27
   - fix: issue #215 (Caret may be drawn in the gutter.)
   - change: Force use utf8 as the exec encoding for fmtlib in the auto link options page.
   - fix: After spaces in comments and strings, symbol completion for '{' and '(' are wrong.
+  - fix: Issue #230 Crash when input " in the txt files.
 
 Red Panda C++ Version 2.26
   - enhancement: Code suggestion for embedded std::vectors.
diff --git a/RedPandaIDE/editor.cpp b/RedPandaIDE/editor.cpp
index 4b53f09d..6a621146 100644
--- a/RedPandaIDE/editor.cpp
+++ b/RedPandaIDE/editor.cpp
@@ -2957,7 +2957,10 @@ bool Editor::handleDoubleQuoteCompletion()
                 endEditing();
                 return true;
             }
-            if ((ch == 0) || syntaxer()->isWordBreakChar(ch) || syntaxer()->isSpaceChar(ch)) {
+            if ((ch == 0)
+                    || !syntaxer()
+                    || ( syntaxer()->isWordBreakChar(ch)
+                             || syntaxer()->isSpaceChar(ch))) {
                 // insert ""
                 beginEditing();
                 processCommand(QSynedit::EditCommand::Char,'"');