diff --git a/core/api.go b/core/api.go
index 8455e2c..93f8538 100644
--- a/core/api.go
+++ b/core/api.go
@@ -244,9 +244,9 @@ func (caller apiCaller) whitelistAPI(w http.ResponseWriter, r *http.Request) err
 			return err
 		}
 		member.ExpiredAt = 0
-
+		member.Id = primitive.NewObjectID()
 		_, _, err := mg.mongoClient.Update(CollectionWhitelist, bson.M{
-			"_id": primitive.NewObjectID(),
+			"_id": member.Id,
 		}, bson.M{
 			"$set": &member,
 		}, options.Update().SetUpsert(true))