fix: remove circular import PAPER_FEE_RATE from signal_engine

2026-03-13 08:11:05 +00:00 · 2026-03-13 08:11:05 +00:00 · df34d4f638
commit df34d4f638
parent ae3ed78b10
1 changed files with 1 additions and 1 deletions
--- a/backend/paper_trading.py
+++ b/backend/paper_trading.py
@ -12,7 +12,7 @@ paper_trading.py — 模拟盘开仓/平仓辅助函数
 from typing import Optional

 from db import get_sync_conn
-from signal_engine import PAPER_FEE_RATE  # 复用全局配置
+PAPER_FEE_RATE = 0.0005  # Taker手续费 0.05%（开仓+平仓各一次）


 def paper_open_trade(