diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index 77c80c7..a28bede 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -15,7 +15,8 @@
       "Bash(python -c \"import sys; data = sys.stdin.buffer.read\\(\\); print\\(data.decode\\(''''utf-8'''', errors=''''replace''''\\)\\)\")",
       "Bash(docker compose:*)",
       "Bash(grep -r 8000 /c/Users/Professional/Documents/VSCode/utp_service/backend/ --include=*.py --include=*.sh)",
-      "Bash(grep -n \"rack_type\" /c/Users/Professional/Documents/VSCode/utp_service/backend/alembic/versions/*.py)"
+      "Bash(grep -n \"rack_type\" /c/Users/Professional/Documents/VSCode/utp_service/backend/alembic/versions/*.py)",
+      "Bash(python3 -c \":*)"
     ]
   }
 }
diff --git a/backend/app/plugins/builtin/common/ping.py b/backend/app/plugins/builtin/common/ping.py
index d368305..e21203e 100644
--- a/backend/app/plugins/builtin/common/ping.py
+++ b/backend/app/plugins/builtin/common/ping.py
@@ -17,7 +17,7 @@ class PingAction(BaseAction):
         start = time.monotonic()
         try:
             proc = await asyncio.create_subprocess_exec(
-                "ping", "-c", "1", "-W", "2", device.ip,
+                "ping", "-c", "4", "-W", "2", device.ip,
                 stdout=asyncio.subprocess.PIPE,
                 stderr=asyncio.subprocess.PIPE,
             )