优化RSS订阅收集器，增加父目录路径支持以便导入utils模块，改进数据库写入错误日志，更新插入操作以忽略重复记录，并调整错误信息的截断长度以保留重要信息。

collectors/rss_subscriptions.py

@@ -5,11 +5,19 @@ import pandas as pd
 import os
 import pickle
 import time
+import sys
 from concurrent.futures import ThreadPoolExecutor, as_completed
 from loguru import logger
-from utils.mysql_agent import MySQLAgent
 from typing import Dict, List, Optional, Any
 
+# Add the parent directory to the Python path to find utils module
+current_dir = os.path.dirname(os.path.abspath(__file__))
+parent_dir = os.path.dirname(current_dir)
+if parent_dir not in sys.path:
+    sys.path.insert(0, parent_dir)
+
+from utils.mysql_agent import MySQLAgent
+
 # 数据库连接配置
 local_DB_Config = {
     'host': "localhost",
@@ -245,7 +253,7 @@ class NewsAPIClient:
                 table_name=table_name,
                 df=df,
                 chunk_size=500,
-                replace=False
+                ignore_duplicates=True
             )
 
             self.logger.info(f"成功写入 {inserted_rows}/{len(df)} 条记录")
@@ -256,7 +264,15 @@ class NewsAPIClient:
             )
 
         except Exception as e:
-            self.logger.error(f"数据库写入失败: {str(e)}", exc_info=True)
+            self.logger.error(
+                "数据库写入失败",
+                error=str(e),
+                error_type=type(e).__name__,
+                table_name=table_name,
+                record_count=len(df),
+                sample_records=df.head(2).to_dict('records') if not df.empty else [],
+                exc_info=True
+            )
             return self._format_result(False, f"数据库操作失败: {str(e)}")
     @classmethod
     def main(cls):