diff --git a/src/connection.rs b/src/connection.rs
index d09ac48..27a4f9a 100644
--- a/src/connection.rs
+++ b/src/connection.rs
@@ -313,7 +313,7 @@ impl ConnectionManager {
         let manager = self.clone();
         
         let handle = tokio::spawn(async move {
-            let mut ticker = tokio::time::interval(Duration::from_secs(30)); // 每30秒检测一次心跳
+            let mut ticker = tokio::time::interval(Duration::from_secs(4)); // 每4秒检测一次心跳
             ticker.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Skip);
 
             loop {