From 0fe130e6c9d18daf12c9ddfe266379b8a5711481 Mon Sep 17 00:00:00 2001
From: wangxu <1318272526@qq.com>
Date: Wed, 5 Nov 2025 15:42:05 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E8=AF=8A=E6=96=AD=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98bug?=
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---
 app/eva_common.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/eva_common.py b/app/eva_common.py
index dddfebf..731f891 100644
--- a/app/eva_common.py
+++ b/app/eva_common.py
@@ -1560,7 +1560,7 @@ def gen_inroad_num_problems(road_delay_infos, inroad_static_info_dict, roads_dir
             continue
         lane_info = inroad_static_info_dict[inroadid]['lane_turn_info']
         flow_delay_infos = road_delay.flow_delay_infos
-        max_car_num = max([item.delay_info.car_num for item in flow_delay_infos if item.turn_type in [0, 1]])
+        max_car_num = max([item.delay_info.car_num for item in flow_delay_infos if item.turn_type in [0, 1]]) if flow_delay_infos else 0
         if max_car_num > max_flow_car_num:
             max_flow_car_num = max_car_num
         road_car_num = road_delay.delay_info.car_num