Dev Sync (#18)

* Update README and MQTTClient for installation instructions and code improvements

* feat: 支持local_config启动
add: 增加对crt path的说明，为传入config.py的相对路径
move: web component

* add: registry description

* feat: node_info_update srv
fix: OTDeck cant create

* close #12
feat: slave node registry

* feat: show machine name
fix: host node registry not uploaded

* feat: add hplc registry

* feat: add hplc registry

* fix: hplc status typo

* fix: devices/

* fix: device.class possible null

* fix: HPLC additions with online service

* fix: slave mode spin not working

* fix: slave mode spin not working

* feat: 多ProtocolNode 允许子设备ID相同
feat: 上报发现的ActionClient
feat: Host重启动，通过discover机制要求slaveNode重新注册，实现信息及时上报

* feat: 支持env设置config

---------

Co-authored-by: Harvey Que <Q-Query@outlook.com>

unilabos/app/main.py

@@ -12,7 +12,7 @@ ilabos_dir = os.path.dirname(os.path.dirname(current_dir))
 if ilabos_dir not in sys.path:
     sys.path.append(ilabos_dir)
 
-from unilabos.config.config import load_config, BasicConfig
+from unilabos.config.config import load_config, BasicConfig, _update_config_from_env
 from unilabos.utils.banner_print import print_status, print_unilab_banner
 
 
@@ -80,8 +80,10 @@ def main():
     args = parse_args()
     args_dict = vars(args)
 
-    # 加载配置文件 - 这里保持最先加载配置的逻辑
+    # 加载配置文件，优先加载config，然后从env读取
     config_path = args_dict.get("config")
+    if config_path is None:
+        config_path = os.environ.get("UNILABOS.BASICCONFIG.CONFIG_PATH", None)
     if config_path:
         if not os.path.exists(config_path):
             print_status(f"配置文件 {config_path} 不存在", "error")