diff --git a/web/public/api/activitypub/activityFollow.go b/web/public/api/activitypub/activityFollow.go
index 38ff626..0b6eac4 100644
--- a/web/public/api/activitypub/activityFollow.go
+++ b/web/public/api/activitypub/activityFollow.go
@@ -12,6 +12,7 @@ import (
 	"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"
@@ -78,7 +79,7 @@ func FollowFromStorage(ctx context.Context, id string) (*ActivityFollowOut, erro
 		return nil, err
 	}
 	out := ActivityFollowOut{
-		Id:   id,
+		Id:   config.GlobalConfig.General.GetFullPublicUrl() + "/api/activitypub/activity/follow/" + id,
 		Type: "Follow",
 	}
 	if follower.RemoteInfo != nil {
diff --git a/web/public/api/activitypub/server.go b/web/public/api/activitypub/server.go
index d54a82a..ed00c98 100644
--- a/web/public/api/activitypub/server.go
+++ b/web/public/api/activitypub/server.go
@@ -15,6 +15,7 @@ func BuildActivitypubRouter() http.Handler {
 	router.HandleFunc("/activity/delete/{id}", activityDelete)
 	router.HandleFunc("/activity/reject/{id}", activityReject)
 	router.HandleFunc("/activity/update/{id}", activityUpdate)
+	router.HandleFunc("/activity/follow/{id}", activityFollow)
 	router.HandleFunc("/note/{id}", objectNote)
 	router.HandleFunc("/note/{id}/reactions", noteReactions)
 	return router