refactor: 整理结构和 maker 构建方式

internal/controller/maker/maker.go

@@ -1,7 +1,9 @@
 package maker
 
-type maker struct{}
-
-func NewMaker() *maker {
-	return &maker{}
+type maker struct {
+	workdir string
+}
+
+func NewMaker(workdir string) *maker {
+	return &maker{workdir: workdir}
 }