舍弃flask。请求增加H2协议。

Module/DeviceInfo.py

@@ -169,7 +169,7 @@ class DeviceInfo:
         if getattr(self, "_add_executor", None) is None:
             from concurrent.futures import ThreadPoolExecutor
             import os
-            max_workers = max(2, min(6, (os.cpu_count() or 4) // 2))
+            max_workers = int(os.getenv("DEVICE_ADD_WORKERS", "6"))
             self._add_executor = ThreadPoolExecutor(
                 max_workers=max_workers,
                 thread_name_prefix="dev-add"