增强版v2-初始化仓库，验证好了ocr部分，先备份一次

app/config/__init__.py

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+"""
+OCR订单处理系统 - 配置模块
+------------------------
+负责管理系统配置，包括API密钥、路径和处理选项。
+""" 

app/config/defaults.py

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+"""
+默认配置
+-------
+包含系统的默认配置值。
+"""
+
+# 默认配置
+DEFAULT_CONFIG = {
+    'API': {
+        'api_key': '',  # 将从配置文件中读取
+        'secret_key': '',  # 将从配置文件中读取
+        'timeout': '30',
+        'max_retries': '3',
+        'retry_delay': '2',
+        'api_url': 'https://aip.baidubce.com/rest/2.0/ocr/v1/table'
+    },
+    'Paths': {
+        'input_folder': 'data/input',
+        'output_folder': 'data/output',
+        'temp_folder': 'data/temp',
+        'template_folder': 'templates',
+        'processed_record': 'data/processed_files.json'
+    },
+    'Performance': {
+        'max_workers': '4',
+        'batch_size': '5',
+        'skip_existing': 'true'
+    },
+    'File': {
+        'allowed_extensions': '.jpg,.jpeg,.png,.bmp',
+        'excel_extension': '.xlsx',
+        'max_file_size_mb': '4'
+    },
+    'Templates': {
+        'purchase_order': '银豹-采购单模板.xls'
+    }
+} 

app/config/settings.py

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+"""
+配置管理模块
+-----------
+提供统一的配置加载、访问和保存功能。
+"""
+
+import os
+import configparser
+import logging
+from typing import Dict, List, Optional, Any
+
+from .defaults import DEFAULT_CONFIG
+
+logger = logging.getLogger(__name__)
+
+class ConfigManager:
+    """
+    配置管理类，负责加载和保存配置
+    单例模式确保全局只有一个配置实例
+    """
+    _instance = None
+    
+    def __new__(cls, config_file=None):
+        """单例模式实现"""
+        if cls._instance is None:
+            cls._instance = super(ConfigManager, cls).__new__(cls)
+            cls._instance._init(config_file)
+        return cls._instance
+    
+    def _init(self, config_file):
+        """初始化配置管理器"""
+        self.config_file = config_file or 'config.ini'
+        self.config = configparser.ConfigParser()
+        self.load_config()
+    
+    def load_config(self) -> None:
+        """
+        加载配置文件，如果不存在则创建默认配置
+        """
+        if not os.path.exists(self.config_file):
+            self.create_default_config()
+        
+        try:
+            self.config.read(self.config_file, encoding='utf-8')
+            logger.info(f"已加载配置文件: {self.config_file}")
+        except Exception as e:
+            logger.error(f"加载配置文件时出错: {e}")
+            logger.info("使用默认配置")
+            self.create_default_config(save=False)
+    
+    def create_default_config(self, save: bool = True) -> None:
+        """创建默认配置"""
+        for section, options in DEFAULT_CONFIG.items():
+            if not self.config.has_section(section):
+                self.config.add_section(section)
+            
+            for option, value in options.items():
+                self.config.set(section, option, value)
+        
+        if save:
+            self.save_config()
+            logger.info(f"已创建默认配置文件: {self.config_file}")
+    
+    def save_config(self) -> None:
+        """保存配置到文件"""
+        try:
+            with open(self.config_file, 'w', encoding='utf-8') as f:
+                self.config.write(f)
+            logger.info(f"配置已保存到: {self.config_file}")
+        except Exception as e:
+            logger.error(f"保存配置文件时出错: {e}")
+    
+    def get(self, section: str, option: str, fallback: Any = None) -> Any:
+        """获取配置值"""
+        return self.config.get(section, option, fallback=fallback)
+    
+    def getint(self, section: str, option: str, fallback: int = 0) -> int:
+        """获取整数配置值"""
+        return self.config.getint(section, option, fallback=fallback)
+    
+    def getfloat(self, section: str, option: str, fallback: float = 0.0) -> float:
+        """获取浮点数配置值"""
+        return self.config.getfloat(section, option, fallback=fallback)
+    
+    def getboolean(self, section: str, option: str, fallback: bool = False) -> bool:
+        """获取布尔配置值"""
+        return self.config.getboolean(section, option, fallback=fallback)
+    
+    def get_list(self, section: str, option: str, fallback: str = "", delimiter: str = ",") -> List[str]:
+        """获取列表配置值（逗号分隔的字符串转为列表）"""
+        value = self.get(section, option, fallback)
+        return [item.strip() for item in value.split(delimiter) if item.strip()]
+
+    def update(self, section: str, option: str, value: Any) -> None:
+        """更新配置选项"""
+        if not self.config.has_section(section):
+            self.config.add_section(section)
+        
+        self.config.set(section, option, str(value))
+        logger.debug(f"更新配置: [{section}] {option} = {value}")
+    
+    def get_path(self, section: str, option: str, fallback: str = "", create: bool = False) -> str:
+        """
+        获取路径配置并确保它是一个有效的绝对路径
+        如果create为True，则自动创建该目录
+        """
+        path = self.get(section, option, fallback)
+        
+        if not os.path.isabs(path):
+            # 相对路径，转为绝对路径
+            path = os.path.abspath(path)
+        
+        if create and not os.path.exists(path):
+            try:
+                # 如果是文件路径，创建其父目录
+                if '.' in os.path.basename(path):
+                    directory = os.path.dirname(path)
+                    if directory and not os.path.exists(directory):
+                        os.makedirs(directory, exist_ok=True)
+                        logger.info(f"已创建目录: {directory}")
+                else:
+                    # 否则认为是目录路径
+                    os.makedirs(path, exist_ok=True)
+                    logger.info(f"已创建目录: {path}")
+            except Exception as e:
+                logger.error(f"创建目录失败: {path}, 错误: {e}")
+        
+        return path