From bc1485663e071feca327ebebeef1f2ba6edec592 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: Sun, 12 Apr 2026 00:42:38 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=9D=E5=AD=98=E6=97=B6=E9=AA=8C=E8=AF=81?=
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---
 backend/app/routers/information.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/backend/app/routers/information.py b/backend/app/routers/information.py
index 1484998..1c2628b 100644
--- a/backend/app/routers/information.py
+++ b/backend/app/routers/information.py
@@ -452,6 +452,23 @@ def create_information(
     db: Session = Depends(get_db)
 ):
     """发布资讯"""
+    # 验证并矫正冠字号（J0开头的9位数字）
+    if data.title:
+        import re
+        # 提取冠字号
+        match = re.search(r'J0(\d+)', data.title)
+        if match:
+            num = match.group(1)
+            # 矫正位数
+            if len(num) > 9:
+                # 多位：取前9位
+                num = num[:9]
+            elif len(num) < 9:
+                # 少位：前面补0
+                num = num.zfill(9)
+            # 重新构建title
+            original_num = match.group(0)
+            data.title = data.title.replace(original_num, 'J0' + num, 1)
     # 生成行情编号：日期 + 5位自然数（从00001开始）
     deal_no = None
     if data.info_type == 'deal':