diff --git a/runtime/src/runtime/process.py b/runtime/src/runtime/process.py
index cbe9600..05747b6 100644
--- a/runtime/src/runtime/process.py
+++ b/runtime/src/runtime/process.py
@@ -522,7 +522,7 @@ async def scan_workspaces() -> None:
     if not WORKSPACES_ROOT.exists():
         return
     try:
-        entries = os.listdir(WORKSPACES_ROOT)
+        entries = [f for f in os.listdir(WORKSPACES_ROOT) if not f.startswith('.')]
     except Exception as e:
         logger.error(f"scan workspace failed: {e}")
         return