diff --git a/.gitignore b/.gitignore
index 2e85f20..429646e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -147,3 +147,9 @@ dist
 # IDE
 .idea/
 .vscode/
+
+# 演示素材（已从历史移除，保留本地）
+images/demo.mp4
+images/demo.gif
+images/UI.gif
+music/HedwigsTheme.mp3