diff --git a/src/config/SystemConfig.h b/src/config/SystemConfig.h
index a488392..78e48fe 100644
--- a/src/config/SystemConfig.h
+++ b/src/config/SystemConfig.h
@@ -6,11 +6,18 @@
 
 class System;  // 前向声明
 
+// 前向声明所有结构体
+struct CoordinatePoint;
+class SystemConfig;
+
+// 定义结构体
 struct CoordinatePoint {
     std::string point;
     double latitude;
     double longitude;
 };
+// 为 CoordinatePoint 定义序列化
+NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(CoordinatePoint, point, latitude, longitude)
 
 class SystemConfig {
 public:
@@ -92,16 +99,19 @@ private:
     SystemConfig() = default;
 };
 
-// JSON 序列化支持
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(CoordinatePoint, point, latitude, longitude);
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::Airport::ReferencePoint, latitude, longitude);
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::Airport, name, iata, icao, reference_point, coordinate_points);
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::DataSource, host, port, aircraft_path, vehicle_path, traffic_light_path, refresh_interval_ms, timeout_ms, read_timeout_ms);
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::WebSocket::PositionUpdate, aircraft_interval_ms, vehicle_interval_ms, traffic_light_interval_ms);
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::WebSocket, port, max_connections, ping_interval_ms, position_update);
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::CollisionDetection::Prediction, time_window, vehicle_size, aircraft_size, min_unmanned_speed);
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::CollisionDetection, update_interval_ms, prediction);
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::Logging, level, file, max_size_mb, max_files, console_output);
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::Debug, enable_mock_data, save_raw_data, profile_performance);
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::Warning, warning_interval_ms, log_interval_ms);
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig, airport, data_source, websocket, collision_detection, logging, debug, warning);
\ No newline at end of file
+// 为嵌套结构体定义序列化
+NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::Airport::ReferencePoint, latitude, longitude)
+NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::WebSocket::PositionUpdate, aircraft_interval_ms, vehicle_interval_ms, traffic_light_interval_ms)
+NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::CollisionDetection::Prediction, time_window, vehicle_size, aircraft_size, min_unmanned_speed)
+
+// 为主要结构体定义序列化
+NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::Airport, name, iata, icao, reference_point, coordinate_points)
+NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::DataSource, host, port, aircraft_path, vehicle_path, traffic_light_path, refresh_interval_ms, timeout_ms, read_timeout_ms)
+NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::WebSocket, port, max_connections, ping_interval_ms, position_update)
+NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::CollisionDetection, update_interval_ms, prediction)
+NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::Logging, level, file, max_size_mb, max_files, console_output)
+NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::Debug, enable_mock_data, save_raw_data, profile_performance)
+NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig::Warning, warning_interval_ms, log_interval_ms)
+
+// 最后定义主类的序列化
+NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(SystemConfig, airport, data_source, websocket, collision_detection, logging, debug, warning)
\ No newline at end of file