diff --git a/history/helper.go b/history/helper.go
index ddae37c..e063ff0 100644
--- a/history/helper.go
+++ b/history/helper.go
@@ -46,7 +46,14 @@ func (h *History) Grp(grp string) *History {
 	h.Group = grp
 	return h
 }
-func (h *History) Scp(sco string) *History {
-	h.Scope = sco
+func (h *History) Scp(scp string) *History {
+	h.Scope = scp
+	return h
+}
+
+// Mod alter the derived module name, and put the original mod to scope
+func (h *History) Mod(mod string) *History {
+	h.Scope = h.Module
+	h.Module = mod
 	return h
 }