4.7 doc update (#1068)

* fix: plugin update

* feat: get current time plugin

* fix: ts

* perf: select app ux

* fix: ts

* perf: max w

* move code

* perf: inform tip

* fix: inform

* doc

* fix: tool handle

* perf: tmp file store

* doc

* fix: message file selector

* feat: doc

* perf: switch trigger

* doc

* fix: openapi import

* rount the number

* parse openapi schema

* fix empty line after variables (#64)

* doc image

* image size

* doc

* doc

* catch error

---------

Co-authored-by: heheer <71265218+newfish-cmyk@users.noreply.github.com>

docSite/content/docs/intro.md

@@ -15,7 +15,7 @@ FastGPT 在线使用：[https://fastgpt.in](https://fastgpt.in)
 
 |                       |                       |
 | --------------------- | --------------------- |
-| ![](/imgs/intro1.png) | ![](/imgs/intro2.png) |
+| ![](/imgs/intro1.webp) | ![](/imgs/intro2.png) |
 | ![](/imgs/intro3.png) | ![](/imgs/intro4.png) |
 
 ## FastGPT 能力