* Change to download first and check contentType
* Up to date
* Some bug fix, still some bug with img
* Update tool to read from file
* improve formatting in PDF
* Add tool of img file OCR , but meet some bug
* Bug fix for parameter passing error.
* Modification Introduction
* Init the requrest part
* Finish the img deal part
* For test only one plugin
* Finish img2text part
* Finish pdf ocr part
* Change vscode setting back
* Change `for` into` for await` type