diff --git a/.gitignore b/.gitignore
index 1db07e0..91cf741 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
index.html
test.js
.vscode
+.httpserver
node_modules/
dist/
*.sublime-project
diff --git a/Readme.md b/Readme.md
index 71dc64a..d26c9ad 100644
--- a/Readme.md
+++ b/Readme.md
@@ -11,3 +11,36 @@
- ...
+ @bd/core 针对`web components`的核心封装库, 以数据驱动, 可以更方便的开发wc组件
+
+
+### 测试预览
+
+可以根目录放置一个http服务的配置文件`.httpserver`, 如下
+```json
+{
+ "enabled": true,
+ "port": 8090
+}
+```
+
+然后, 创建个html文件, 如下, 即可右键打开预览了.
+
+```html
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+```
\ No newline at end of file