diff --git a/client.go b/client.go
index 410e657..226dfce 100644
--- a/client.go
+++ b/client.go
@@ -66,7 +66,7 @@ func (c *client) AddWithConfigFile(cfgFilePath string, logInstance *zap.Logger)
 	}
 	dbClient = &DBClient{
 		dbFlag:         cfg.Flag,
-		loggerInstance: nil,
+		loggerInstance: logInstance,
 		master:         nil,
 		slave:          nil,
 		extraFieldList: nil,