diff --git a/src/Magpie/MainWindow.cpp b/src/Magpie/MainWindow.cpp
index ec0c861a..1fa1e7f3 100644
--- a/src/Magpie/MainWindow.cpp
+++ b/src/Magpie/MainWindow.cpp
@@ -162,7 +162,10 @@ LRESULT MainWindow::_MessageHandler(UINT msg, WPARAM wParam, LPARAM lParam) noex
 	{
 		LRESULT ret = base_type::_MessageHandler(WM_SIZE, wParam, lParam);
 		_ResizeTitleBarWindow();
-		Content()->TitleBar().CaptionButtons().IsWindowMaximized(_IsMaximized());
+
+		// 以最大化显示时实际上是先窗口化显示然后改为最大化，确保最大化按钮状态正确
+		Content()->TitleBar().CaptionButtons().IsWindowMaximized(
+			_IsMaximized() || _IsInitialMaximized());
 		return ret;
 	}
 	case WM_GETMINMAXINFO:
diff --git a/src/Magpie/XamlWindow.h b/src/Magpie/XamlWindow.h
index 4594231d..b294d6e6 100644
--- a/src/Magpie/XamlWindow.h
+++ b/src/Magpie/XamlWindow.h
@@ -423,6 +423,10 @@ class XamlWindowT : public WindowBaseT<T> {
 		_isInitialMaximized = value;
 	}
 
+	bool _IsInitialMaximized() const noexcept {
+		return _isInitialMaximized;
+	}
+
 private:
 	void _UpdateIslandPosition(int width, int height) const noexcept {
 		// 当窗口以最大化显示时，为了修正动画，实际上是先窗口化显示然后改为最大化。这个过程中此函数