diff --git a/scripts/tools.js b/scripts/tools.js
index a582baa..8c91993 100644
--- a/scripts/tools.js
+++ b/scripts/tools.js
@@ -2,40 +2,20 @@ const signitures = `
 # DataExtracter Help
 ----------------------------
 
-## Signitures:
+## Usage
+new Extractor().task(...args).task(...args).start();
+
+## Extractor.task() Signitures:
 ----------------------------
 
-function extract(itemsSelector:string, fieldSelectors:string[])
-function extract(itemsSelector:string, fieldSelectors:string[], url:string, from:number, to:number, interval:number)
-function extract(itemsSelector:string, fieldSelectors:string, url:string, pages:number[])
-function extract(itemsSelector:string, fieldSelectors:string[], urls:string[])
-function extract(itemsSelector:string, fieldSelectors:string[], urls:ExractResult)
+task(itemsSelector:string, fieldSelectors:string[])
+task(itemsSelector:string, fieldSelectors:string[], url:string, from:number, to:number, interval:number)
+task(itemsSelector:string, fieldSelectors:string, url:string, pages:number[])
+task(itemsSelector:string, fieldSelectors:string[], urls:string[])
+task(itemsSelector:string, fieldSelectors:string[], urls:ExractResult)
 
-## Examples:
-----------------------------
-
-### Extract current page
-extract(".list-item", ["a.title", "p.content"])
-
-### Extract multiple pages (1-10, interval 1)
-extract(".list-item", ["a.title", "p.content"],"http://sample.com/?pn=\${page}", 1, 10, 1)
-
-### Extract multiple urls (list)
-extract(".list-item", ["a.title", "p.content"],["http://sample.com/abc","http://sample.com/xyz"])
-
-### Extract specified pages (1,3,5)
-extract(".list-item", ["a.title", "p.content"], "http://sample.com/?pn=\${page}", [1, 3, 5])
-
-## Advanced Examples:
-----------------------------
-
-### Extract link text and target (use 'selector@attribute')
-extract('.list-item', ['a.title', 'a.title@href'])
-
-### Collect links from page(s) & Extract data of each link
->> (Available only in console of extension background page)
-
-extract('body',["a.title", "p.content"], await getData('.list-item', ['.item a@href'],["http://sample.com/abc"]))
+See detail help in:
+https://git.jebbs.co/jebbs/data-extracter-extesion
 `.trim();