udpate: md

Author: wangcch

README.md

@@ -30,6 +30,15 @@ const data = {
 }
 ```
 
+|name|API|
+|--|--|
+|GET|getUrlData()|
+|DELETE|deleteUrlData()|
+|POST|postUrlData()|
+|PUT|putUrlData()|
+|Download|downloadUrl()|
+
+
 ### GET
 
 ```js
@@ -88,6 +97,16 @@ api.putUrlData('user/info', data, (res, isErr) => {
 }, true)
 ```
 
+### Download
+
+```js
+/**
+ * GET Download
+ * @param {String} url download url
+ */
+api.downloadUrl(url)
+```
+
 ## Licence
 
 MIT