diff --git a/lightllm/server/metrics/manager.py b/lightllm/server/metrics/manager.py
index f9a1f359..be0a6e57 100644
--- a/lightllm/server/metrics/manager.py
+++ b/lightllm/server/metrics/manager.py
@@ -81,7 +81,7 @@ async def _func(*args, **kwargs):
 
         self._generate_latest = async_wrap(self.conn.root.generate_latest)
 
-        self.task_queue = queue.Queue(maxsize=1024)
+        self.task_queue = queue.Queue(maxsize=4096)
         self.daemon = True
         self.start()