diff --git a/NEWS.md b/NEWS.md
index a0569d15..6b90d7f0 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -11,6 +11,7 @@ Red Panda C++ Version 2.8
   - enhancement: "Toggle readonly" in the Edit menu.
   - fix: Error When save project units' encoding settings.
   - enhancement: Waiting for syntax parsers to finish before saving files, to prevent data lost caused by syntax parsering crash.
+  - fix: Restore main window and cpu info window will set wrong font in the cpu info.
 
 Red Panda C++ Version 2.7
 
diff --git a/RedPandaIDE/mainwindow.cpp b/RedPandaIDE/mainwindow.cpp
index f94b1d58..c098916a 100644
--- a/RedPandaIDE/mainwindow.cpp
+++ b/RedPandaIDE/mainwindow.cpp
@@ -851,6 +851,8 @@ void MainWindow::applySettings()
     qApp->setFont(font);
     this->setFont(font);
     for (QWidget* p:findChildren<QWidget*>()) {
+        if (mCPUDialog && (p==mCPUDialog || mCPUDialog->isAncestorOf(p)))
+            continue;
         p->setFont(font);
     }
     if (pSettings->environment().useCustomIconSet()) {
@@ -1853,11 +1855,6 @@ void MainWindow::checkSyntaxInBack(Editor *e)
     }
 }
 
-bool MainWindow::compiling()
-{
-    return (mCompilerManager->backgroundSyntaxChecking()) || (mCompilerManager->compiling());
-}
-
 bool MainWindow::parsing()
 {
     if (mProject && mProject->cppParser() && mProject->cppParser()->parsing())
diff --git a/RedPandaIDE/mainwindow.h b/RedPandaIDE/mainwindow.h
index ee5092dc..a4827224 100644
--- a/RedPandaIDE/mainwindow.h
+++ b/RedPandaIDE/mainwindow.h
@@ -131,7 +131,6 @@ public:
     void updateDebuggerSettings();
     void updateActionIcons();
     void checkSyntaxInBack(Editor* e);
-    bool compiling();
     bool parsing();
     bool compile(bool rebuild=false, CppCompileType compileType=CppCompileType::Normal);
     void runExecutable(