增加静态成员定义

module_service/area_business_speed_checker.cpp

@@ -170,5 +170,7 @@ void area_business_speed_checker::init_vehicle_category_from_db()
         std_debug("dat_vehicle_category:category_id:%d--over_speed:%.2f",p.first,p.second);
 }
 
+std::unordered_map<int,double> area_business_speed_checker::_vehicle_category_map;
+