From d1de25f32c9d65d729d5581f7ddfb2c6b093b66d Mon Sep 17 00:00:00 2001
From: cxh <zxwl@56.com>
Date: Tue, 30 Dec 2025 09:19:59 +0800
Subject: [PATCH] 1

---
 include/app_config.hpp | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/include/app_config.hpp b/include/app_config.hpp
index f914431..5a041e2 100644
--- a/include/app_config.hpp
+++ b/include/app_config.hpp
@@ -117,7 +117,25 @@ struct AppConfig
         }
 
         auto& m = j["mqtt_server"];
-        cfg.mqtt.vehicle_id = std::to_string(m.value("veh_id", 0));
+        if (m.contains("veh_id"))
+        {
+            if (m["veh_id"].is_string())
+            {
+                cfg.mqtt.vehicle_id = m["veh_id"].get<std::string>();
+            }
+            else if (m["veh_id"].is_number_integer())
+            {
+                cfg.mqtt.vehicle_id = std::to_string(m["veh_id"].get<int>());
+            }
+            else
+            {
+                throw std::runtime_error("mqtt_server.veh_id must be string or integer");
+            }
+        }
+        else
+        {
+            throw std::runtime_error("mqtt_server.veh_id missing");
+        }
         cfg.mqtt.server_ip = m.value("address", "");
         cfg.mqtt.server_port = m.value("port", 1883);
         cfg.mqtt.need_username_pwd = m.value("need_username_pwd", true);