tessdata下载：tessdata: tesseract 语言包

github地址：https://github.com/simonflueckiger/tesserocr-windows_build/releases

tesseract下载地址：Index of /tesseract

tesseract-best下载地址：https://github.com/tesseract-ocr/tessdata_best/tree/main

langdata_lstm下载地址：

 https://github.com/tesseract-ocr/langdata_lstm