diff --git a/business/jxstore/event/event_tcp_utils.go b/business/jxstore/event/event_tcp_utils.go
index f4da0037a..0ee7605a6 100644
--- a/business/jxstore/event/event_tcp_utils.go
+++ b/business/jxstore/event/event_tcp_utils.go
@@ -186,7 +186,7 @@ func (t *TcpClient) buildAllMap(key string) {
 	defer t.Unlock()
 	t.MsgMap[key] = make(chan *model.PrintMsg, 1024)
 	t.CallBackMap[key] = make(chan string, 1024)
-	t.TimeoutMap[key] = make(chan bool)
+	t.TimeoutMap[key] = make(chan bool, 64)
 }
 
 func (t *TcpClient) getPrintStatus(key string) int {