diff --git a/NEWS.md b/NEWS.md
index 14b05243..4769176c 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -26,6 +26,7 @@ Red Panda C++ Version 2.26
   - change: In Options -> Language -> Generate Assembly, option "Don't generate SEH directives" default to True.
   - change: In Options —> Editor -> Code Suggestion, option "Hide symbols starting with underscore" default to True.
   - fix: Crash if include a non-exist header file in the source.
+  - fix: Line numbers for problem case input/output/expected texteditors are not vertically centered.
 
 Red Panda C++ Version 2.25
 
diff --git a/RedPandaIDE/widgets/linenumbertexteditor.cpp b/RedPandaIDE/widgets/linenumbertexteditor.cpp
index f4e9406b..d91a66ab 100644
--- a/RedPandaIDE/widgets/linenumbertexteditor.cpp
+++ b/RedPandaIDE/widgets/linenumbertexteditor.cpp
@@ -197,7 +197,8 @@ void LineNumberTextEditor::lineNumberAreaPaintEvent(QPaintEvent *event)
                 painter.setPen(mLineNumberAreaCurrentLine);
             else
                 painter.setPen(mLineNumberAreaForeground);
-            painter.drawText(5, top, lineNumberArea->width()-10, fontMetrics().height(),
+            int y=top+std::max(0,bottom-top-fontMetrics().lineSpacing());
+            painter.drawText(5, y, lineNumberArea->width()-10, fontMetrics().height(),
                              Qt::AlignRight, number);
         }