Add: fake module PIL for webui (#4374)

* Add: fake module PIL for webui

* Fix: Load runtime before module PIL

* Upd: Error message of MAA loading failure

* Upd: Adjust timing of import fake module

submodule/AlasMaaBridge/module/handler/handler.py

@@ -31,7 +31,12 @@ class AssistantHandler:
         AssistantHandler.Asst = asst.Asst
         AssistantHandler.Message = utils.Message
         AssistantHandler.InstanceOptionType = utils.InstanceOptionType
-        AssistantHandler.Asst.load(path, user_dir=path, incremental_path=incremental_path)
+        try:
+            AssistantHandler.Asst.load(path, user_dir=path, incremental_path=incremental_path)
+        except OSError as e:
+            logger.critical(e)
+            logger.critical("MAA加载失败，请检查MAA本体能否正常打开")
+            raise RequestHumanTakeover
 
         AssistantHandler.ASST_HANDLER = None