diff --git a/config/server.go b/config/server.go
index f0192dc..1096854 100644
--- a/config/server.go
+++ b/config/server.go
@@ -224,6 +224,9 @@ func NewWSServerConfig(optionList ...SetWSServerConfig) *WSServerConfig {
 	}
 	c.MaxMessageSize = DefaultMaxMessageSize
 	c.MessageBufferSize = DefaultMaxMessageBufferSize
+	c.PingPeriod = time.Duration(DefaultPingPeriod) * time.Second
+	c.WriteWait = time.Duration(DefaultWriteWait) * time.Second
+	c.PongWait = time.Duration(DefaultPongWait) * time.Second
 	for _, o := range optionList {
 		o(c)
 	}