diff --git a/config/config.yaml b/config/config.yaml
index a1497f4..8dab7c1 100644
--- a/config/config.yaml
+++ b/config/config.yaml
@@ -19,6 +19,7 @@ sys:
   channel_pool_len: 100
   channel_pool_size: 32
   llm_pool_len: 5
+  heartbeat_interval: 30
 redis:
   host: 47.97.27.195:6379
   type: node