diff --git a/.gitignore b/.gitignore
index 164f1be..5d41472 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,3 +21,4 @@ node_modules/
 
 # 厂商 DXF 素材(暂存研究, 功能完成后删除)
 data/dxf-study/
+.env