diff --git a/web/public/api/activitypub/activityAccept.go b/web/public/api/activitypub/activityAccept.go
index 43c6a33..048e3f8 100644
--- a/web/public/api/activitypub/activityAccept.go
+++ b/web/public/api/activitypub/activityAccept.go
@@ -5,12 +5,14 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
+	"strings"
 
 	webutils "git.mstar.dev/mstar/goutils/http"
 	"github.com/rs/zerolog/hlog"
 	"gorm.io/gorm"
 
 	"git.mstar.dev/mstar/linstrom/activitypub"
+	"git.mstar.dev/mstar/linstrom/config"
 	"git.mstar.dev/mstar/linstrom/storage-new"
 	"git.mstar.dev/mstar/linstrom/storage-new/dbgen"
 	"git.mstar.dev/mstar/linstrom/storage-new/models"
@@ -66,8 +68,14 @@ func AcceptFromStorage(ctx context.Context, id string) (*ActivityAcceptOut, erro
 	if err != nil {
 		return nil, err
 	}
+	var outId string
+	if strings.HasPrefix(id, "http") {
+		outId = id
+	} else {
+		outId = fmt.Sprintf("%s/api/activitypub/activity/accept/%s", config.GlobalConfig.General.GetFullPublicUrl(), id)
+	}
 	return &ActivityAcceptOut{
-		Id:     id,
+		Id:     outId,
 		Actor:  follow.Object.(string),
 		Type:   "Accept",
 		Object: follow,