diff --git a/batch/types.go b/batch/types.go
index c3a4cf8..9d97f6e 100644
--- a/batch/types.go
+++ b/batch/types.go
@@ -1,8 +1,6 @@
 package batch
 
-import (
-	"time"
-)
+import "time"
 
 type Request struct {
 	Operation string   `json:"operation"`
@@ -27,7 +25,6 @@ type ErrorResponse struct {
 	RequestID string `json:"request_id,omitempty"`
 }
 
-// Action.objects.actions.header
 type Action struct {
 	HRef      string            `json:"href"`
 	Header    map[string]string `json:"header,omitempty"`
diff --git a/server/server.go b/server/server.go
index 01e61b4..eeb0168 100644
--- a/server/server.go
+++ b/server/server.go
@@ -79,17 +79,18 @@ func New(o Options) (http.Handler, error) {
 
 	client, err := obs.New(o.AccessKeyID, o.SecretAccessKey, o.Endpoint, obs.WithSignature(obs.SignatureObs))
 	if err != nil {
-		fmt.Printf("Create obsClient error, errMsg: %s", err.Error())
+		return nil, err
 	}
 
 	s := &server{
+		ttl:          o.TTL,
 		client:       client,
 		bucket:       o.Bucket,
 		prefix:       o.Prefix,
-		ttl:          o.TTL,
 		cdnDomain:    o.CdnDomain,
 		isAuthorized: o.IsAuthorized,
 	}
+
 	r := chi.NewRouter()
 
 	r.Get("/", s.healthCheck)
@@ -249,6 +250,7 @@ func (s *server) handleBatch(w http.ResponseWriter, r *http.Request) {
 			}
 		}
 	}
+
 	must(json.NewEncoder(w).Encode(resp))
 }