diff --git a/packages/designer/src/designer/focusing.ts b/packages/designer/src/designer/focusing.ts
index 8e24db041..06a1495f3 100644
--- a/packages/designer/src/designer/focusing.ts
+++ b/packages/designer/src/designer/focusing.ts
@@ -1,6 +1,7 @@
 import { Designer } from './designer';
 
 // TODO:
+// 当前激活区域管理
 class Focusing {
   focusDesigner?: Designer;
 }