diff --git a/src/main/java/com/iot/modbus_rtcp/netty/SyncPriorityChannel.java b/src/main/java/com/iot/modbus_rtcp/netty/SyncPriorityChannel.java
index ed9d759..d95d8b5 100644
--- a/src/main/java/com/iot/modbus_rtcp/netty/SyncPriorityChannel.java
+++ b/src/main/java/com/iot/modbus_rtcp/netty/SyncPriorityChannel.java
@@ -119,7 +119,7 @@ public class SyncPriorityChannel implements Runnable {
 
         boolean timeout;
         try {
-            timeout = !this.getChannelPromise().await(1, TimeUnit.SECONDS);
+            timeout = !this.getChannelPromise().await(3, TimeUnit.SECONDS);
         } catch (InterruptedException e) {
             log.error("channelPromise.await发生异常,", e);
             return;