diff --git a/glog/v1/glog.go b/glog/v1/glog.go
index 6b7b4fd..2156ce8 100644
--- a/glog/v1/glog.go
+++ b/glog/v1/glog.go
@@ -1,9 +1,17 @@
 package glog
 
-import "github.com/go-kratos/kratos/v2/log"
+import (
+	"github.com/go-kratos/kratos/v2/log"
+	"sync"
+)
 
-var Glog *log.Helper
+var (
+	once sync.Once
+	Glog *log.Helper
+)
 
 func NewHelper(logger log.Logger) {
-	Glog = log.NewHelper(logger)
+	once.Do(func() {
+		Glog = log.NewHelper(logger)
+	})
 }