diff --git a/.gitignore b/.gitignore
index 8b0fae1..14b154c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,4 +43,6 @@ packages/leafer-x-webfont/demo/vendor
 
 # leafer 插件类型声明的 vendor（从 npm @leafer-ui/interface 拷贝，体积大）
 packages/leafer-x-webfont/vendor
-doc/
+
+# 商业化文档仅本地保留，不入库（png 截图正常跟踪）
+doc/*.md
diff --git a/doc/image.png b/doc/image.png
new file mode 100644
index 0000000..ec9840e
Binary files /dev/null and b/doc/image.png differ
diff --git a/doc/启动内存占用.png b/doc/启动内存占用.png
new file mode 100644
index 0000000..32de775
Binary files /dev/null and b/doc/启动内存占用.png differ