diff --git a/astrbot/dashboard/server.py b/astrbot/dashboard/server.py
index bfafbcfc3..71ae398fb 100644
--- a/astrbot/dashboard/server.py
+++ b/astrbot/dashboard/server.py
@@ -32,6 +32,11 @@ from .routes.session_management import SessionManagementRoute
 from .routes.subagent import SubAgentRoute
 from .routes.t2i import T2iRoute
 
+
+class _AddrWithPort(Protocol):
+    port: int
+
+
 APP: Quart