diff --git a/NEWS.md b/NEWS.md
index 6bebb7b4..f189944a 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -50,6 +50,7 @@ Red Panda C++ Version 2.27
   - enhancement: Font list in the options / editor / font panel( by CyanoHao  ). 
   - enhancement: Text are vertically center aligned in lines( by CyanoHao  ).
   - fix: In the debugger console, Auto-wrapped lines  can't be correctly selected.
+  - enhancement: Auto choose a better font for theme choosing dialog in the first run.
 
 Red Panda C++ Version 2.26
   - enhancement: Code suggestion for embedded std::vectors.
diff --git a/RedPandaIDE/main.cpp b/RedPandaIDE/main.cpp
index 64621501..cd3c1def 100644
--- a/RedPandaIDE/main.cpp
+++ b/RedPandaIDE/main.cpp
@@ -39,6 +39,7 @@
 #include "editorlist.h"
 #include "widgets/choosethemedialog.h"
 #include "thememanager.h"
+#include "utils/font.h"
 
 #ifdef Q_OS_WIN
 #include <QTemporaryFile>
@@ -368,6 +369,7 @@ int main(int argc, char *argv[])
         if (firstRun) {
             //set theme
             ChooseThemeDialog themeDialog;
+            themeDialog.setFont(QFont(defaultUiFont(),11));
             themeDialog.exec();
             switch (themeDialog.theme()) {
             case ChooseThemeDialog::Theme::AutoFollowSystem: