测试环境的删除不彻底，增加调试

requirements.txt

 pygtrans
 PyMuPDF
-opencv-python
+opencv-python; sys_platform == "win32"
+opencv-python-headless; sys_platform != "win32"
 numpy
 Pillow
 tesseract
 pytesseract
 
-# # 更新包列表
-# sudo apt update
+# 系统依赖安装说明：
 
-# # 安装Tesseract OCR
-# sudo apt install tesseract-ocr
+# Windows系统：
+# 1. 安装Tesseract OCR: 下载并安装 https://github.com/UB-Mannheim/tesseract/wiki
+# 2. 安装OpenCV: pip install opencv-python
 
-# # 安装英语语言包
-# sudo apt install tesseract-ocr-eng
+# Linux系统：
+# 1. 更新包列表: sudo apt update
+# 2. 安装Tesseract OCR: sudo apt install tesseract-ocr
+# 3. 安装英语语言包: sudo apt install tesseract-ocr-eng
+# 4. 安装OpenCV系统依赖: sudo apt install libopencv-dev python3-opencv
+# 5. 安装OpenCV Python包: pip install opencv-python-headless
 
-
-# apt install libopencv-dev python3-opencv
+# macOS系统：
+# 1. 安装Tesseract: brew install tesseract
+# 2. 安装OpenCV: pip install opencv-python-headless