Update README.md

README.md

@@ -11,6 +11,11 @@ http://gitlab2.dui88.com/wanghongyuan/hello_canvas
 sendTbNet(TbNetName.showModal, {name:'ruleModal'}, (s, res) => { })
 ```
 
+# 给弹窗传参
+```js
+sendTbNet(TbNetName.showModal, {name:'messageModal',data:{catName:'喵喵'}}, (s, res) => { })
+ ```
+
 # 切换场景
 ```js
 sendTbNet(TbNetName.navigateToPage, {name:'pageshop'}, (s, res) => {  })