diff --git a/main.go b/main.go
index 0e657af..21de025 100644
--- a/main.go
+++ b/main.go
@@ -350,7 +350,7 @@ func main() {
 		TimeOut:         time.Duration(*timeout) * time.Millisecond,
 		IdleTime:        0 * time.Millisecond,
 		MaxConnPoolSize: 2,
-		MinConnPoolSize: 0,
+		MinConnPoolSize: 1,
 	}
 	var err error
 	pool, err = nebula.NewConnectionPool(hostList, poolConfig, nebula.DefaultLogger{})