diff --git a/infra/conf/xray.go b/infra/conf/xray.go
index 26f25cd0..f1d9fb08 100644
--- a/infra/conf/xray.go
+++ b/infra/conf/xray.go
@@ -522,9 +522,11 @@ func (c *Config) Build() (*core.Config, error) {
 		config.App = append(config.App, serial.ToTypedMessage(statsConf))
 	}
 
-	var logConfMsg *serial.TypedMessage = serial.ToTypedMessage(DefaultLogConfig())
+	var logConfMsg *serial.TypedMessage
 	if c.LogConfig != nil {
 		logConfMsg = serial.ToTypedMessage(c.LogConfig.Build())
+	} else {
+		logConfMsg = serial.ToTypedMessage(DefaultLogConfig())
 	}
 	// let logger module be the first App to start,
 	// so that other modules could print log during initiating