From 5bccbb64f15f6fd8e5e48ad25c39ac31b04d4678 Mon Sep 17 00:00:00 2001
From: zengbin93 <zeng_bin8888@163.com>
Date: Mon, 2 Sep 2024 11:51:14 +0800
Subject: [PATCH] 0.9.59 fix dt type error

---
 czsc/traders/weight_backtest.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/czsc/traders/weight_backtest.py b/czsc/traders/weight_backtest.py
index f89ae8415..8315512d2 100644
--- a/czsc/traders/weight_backtest.py
+++ b/czsc/traders/weight_backtest.py
@@ -277,6 +277,7 @@ def __init__(self, dfw, digits=2, **kwargs) -> None:
         """
         self.kwargs = kwargs
         self.dfw = dfw.copy()
+        self.dfw["dt"] = pd.to_datetime(self.dfw["dt"])
         if self.dfw.isnull().sum().sum() > 0:
             raise ValueError("dfw 中存在空值, 请先处理")
         self.digits = digits