From 37a3f54051897d8d0810c6a9ceb88eb876bac30c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?LeoYuan=20=E8=A2=81=E5=8A=9B=E7=9A=93?=
 <yuanlihao1988@gmail.com>
Date: Fri, 27 May 2022 10:53:50 +0800
Subject: [PATCH] feat: return unbind function for onChangeDetecting &
 onChangeSelection

---
 packages/shell/src/document-model.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/shell/src/document-model.ts b/packages/shell/src/document-model.ts
index 6a318c525..100d2c33b 100644
--- a/packages/shell/src/document-model.ts
+++ b/packages/shell/src/document-model.ts
@@ -208,7 +208,7 @@ export default class DocumentModel {
    * 当前 document 的 hover 变更事件
    */
   onChangeDetecting(fn: (node: Node) => void) {
-    this[documentSymbol].designer.detecting.onDetectingChange((node: InnerNode) => {
+    return this[documentSymbol].designer.detecting.onDetectingChange((node: InnerNode) => {
       fn(Node.create(node)!);
     });
   }
@@ -217,7 +217,7 @@ export default class DocumentModel {
    * 当前 document 的选中变更事件
    */
   onChangeSelection(fn: (ids: string[]) => void) {
-    this[documentSymbol].selection.onSelectionChange((ids: string[]) => {
+    return this[documentSymbol].selection.onSelectionChange((ids: string[]) => {
       fn(ids);
     });
   }