diff --git a/packages/bussiness-model/cart.ts b/packages/bussiness-model/cart.ts
new file mode 100644
index 0000000..617e099
--- /dev/null
+++ b/packages/bussiness-model/cart.ts
@@ -0,0 +1,5 @@
+class Cart{
+    
+}
+
+export default Cart
\ No newline at end of file
diff --git a/packages/bussiness-model/readme.md b/packages/bussiness-model/readme.md
new file mode 100644
index 0000000..b646444
--- /dev/null
+++ b/packages/bussiness-model/readme.md
@@ -0,0 +1 @@
+## 业务模型相关
\ No newline at end of file
diff --git a/packages/codec/readme.md b/packages/codec/readme.md
new file mode 100644
index 0000000..03be399
--- /dev/null
+++ b/packages/codec/readme.md
@@ -0,0 +1,18 @@
+## about encode   decode
+所谓编码, 就是发送方将原文转换成另一种形式,  然后接收方使用解码算法进行解码获取到原文, 通常用于 信息加密, 信息压缩 等领域
+
+1. HTML 编解码
+
+通常对html编码常常ys
+
+`'` 转码成 `'` 
+
+2. Unicode 编解码
+
+
+3. base64 编解码
+
+
+4. jwt Token 编解码
+
+5. ASCII 编解码
\ No newline at end of file
diff --git a/packages/codec/url-encode.ts b/packages/codec/url-encode.ts
new file mode 100644
index 0000000..e69de29
diff --git a/packages/web/readme.md b/packages/web/readme.md
index ebd50ed..aacbd94 100644
--- a/packages/web/readme.md
+++ b/packages/web/readme.md
@@ -1 +1,5 @@
 # js web相关utils (需要依赖平台api)
+
+1. 懒加载图片  lozad  (依赖 IntersectionObserver特性)
+
+2. 货币千分符($100,000.11)
diff --git a/packages/web/rtl/readme.md b/packages/web/rtl/readme.md
index f2dcae2..56d134a 100644
--- a/packages/web/rtl/readme.md
+++ b/packages/web/rtl/readme.md
@@ -2,8 +2,16 @@
 
 关于Unicode 编码 控制文本方向的逻辑
 
+## 备注
 
 
+```js
+let originalString = "شعر مستعار-بشري-طويل-للغاية";
+let newString = originalString.replace(/-/g, ' '); // success
+// let newString = originalString.replace('-', ' ') // error
+console.log(newString);
+```
+
 ## about
 https://juejin.cn/post/7314921235925565490
 https://juejin.cn/post/7124887769796591653
\ No newline at end of file
diff --git a/src/thousandify.js b/packages/web/thousandify.js
similarity index 97%
rename from src/thousandify.js
rename to packages/web/thousandify.js
index 3eeb7b5..1890d06 100644
--- a/src/thousandify.js
+++ b/packages/web/thousandify.js
@@ -47,11 +47,11 @@ export function thousandify(amount, option) {
 export function generatePriceTemplate(price, target) {
     const [intPartStr, decimalStr] = thousandify(price)
     const templateText = `
-        <div>
+        <section>
             <span class="intPartStrWrapper">{{intPartStr}}</span>
             <span class="intPoint">.</span>
             <span class="decimalStrWrapper">{{decimalStr}}</span>
-        </div>
+        </section>
     `
     const compiled = _.template(templateText)
 
diff --git a/readme.md b/readme.md
index 3e3e6a7..db6a965 100644
--- a/readme.md
+++ b/readme.md
@@ -1 +1,3 @@
-## jskit
\ No newline at end of file
+## jskit
+
+- 0 depend
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
index 7ef12af..94e5b7c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,4 +1,4 @@
-import { thousandify, generatePriceTemplate } from './thousandify.js';
+import { thousandify, generatePriceTemplate } from '../packages/web/thousandify.js';
 import { SignalType } from './useSignal.ts';
 import * as webBom from '../packages/web/index.js';
 import springer from '../packages/animation/springer.js';