feat: server connect mongo

analyzer/clean_bill.py

@@ -10,8 +10,15 @@
   python clean_bill.py 账单.csv --start 2026-01-01 --end 2026-01-15
 """
 import sys
+import io
 from pathlib import Path
 
+# 解决 Windows 控制台编码问题
+if sys.stdout.encoding != 'utf-8':
+    sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8', errors='replace')
+if sys.stderr.encoding != 'utf-8':
+    sys.stderr = io.TextIOWrapper(sys.stderr.buffer, encoding='utf-8', errors='replace')
+
 from cleaners.base import create_arg_parser, compute_date_range
 from cleaners import AlipayCleaner, WechatCleaner