diff --git a/base/res_relation.go b/base/res_relation.go
index 61a158d..df31f4f 100644
--- a/base/res_relation.go
+++ b/base/res_relation.go
@@ -72,3 +72,13 @@ func GetModelJoinsForRelations(model string, items []ResRelation) (result []stri
 	}
 	return result
 }
+
+func GetDataIndexPrefixForRelations(model string, items []ResRelation) (result []any) {
+	result = append([]any{model}, result...)
+	for _, item := range items {
+		if item.Code == model && (item.Type == "hasMany" || item.Type == "hasOne") {
+			return append(GetDataIndexPrefixForRelations(item.RelationResource, items), result...)
+		}
+	}
+	return result
+}