From 810a36d757d66d1eb10b5fb46165b4ce08d00f0a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=94=B2=E8=BE=B0=E7=94=9F=E4=BA=A7?= <jiachenlong@local>
Date: Sat, 11 Apr 2026 22:00:02 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E6=97=A5=E6=9C=9F=E8=BF=87?=
 =?UTF-8?q?=E6=BB=A4?=
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---
 backend/app/routers/information.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/backend/app/routers/information.py b/backend/app/routers/information.py
index e8dee6d..eb1f6c3 100644
--- a/backend/app/routers/information.py
+++ b/backend/app/routers/information.py
@@ -127,9 +127,10 @@ def get_information_list(
     if user_id:
         query = query.filter(Information.user_id == user_id)
     
-    # 成交日期过滤
+    # 成交日期过滤 - 使用cast确保字符串与date字段正确比较
     if deal_date:
-        query = query.filter(Information.deal_date == deal_date)
+        from sqlalchemy import cast, String
+        query = query.filter(cast(Information.deal_date, String) == deal_date)
     
     # 按创建时间倒序
     query = query.order_by(Information.created_at.desc())