feat: refactor go.mod.

registry/zookeeper/client.go

@@ -1,9 +1,9 @@
 package zookeeper
 
 import (
+	zookeeperKratos "github.com/go-kratos/kratos/contrib/registry/zookeeper/v2"
 	"github.com/go-kratos/kratos/v2/log"
 
-	zookeeperKratos "github.com/go-kratos/kratos/contrib/registry/zookeeper/v2"
 	"github.com/go-zookeeper/zk"
 
 	conf "github.com/tx7do/kratos-bootstrap/api/gen/go/conf/v1"
@@ -11,6 +11,10 @@ import (
 
 // NewRegistry 创建一个注册发现客户端 - ZooKeeper
 func NewRegistry(c *conf.Registry) *zookeeperKratos.Registry {
+	if c == nil || c.Zookeeper == nil {
+		return nil
+	}
+
 	conn, _, err := zk.Connect(c.Zookeeper.Endpoints, c.Zookeeper.Timeout.AsDuration())
 	if err != nil {
 		log.Fatal(err)