From 917e18163ddcc081c9701d75caaaf9be1aac425e Mon Sep 17 00:00:00 2001
From: yvan <luoyifan@qq.com>
Date: Mon, 2 Jun 2025 00:03:13 +0800
Subject: [PATCH] =?UTF-8?q?stateManager=20=E6=B5=8B=E8=AF=95=E7=94=A8?=
 =?UTF-8?q?=E4=BE=8B4,5=20=E9=80=9A=E8=BF=87?=
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---
 src/core/manager/StateManager.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/core/manager/StateManager.ts b/src/core/manager/StateManager.ts
index 43b3c6c..ba68391 100644
--- a/src/core/manager/StateManager.ts
+++ b/src/core/manager/StateManager.ts
@@ -49,6 +49,13 @@ interface HistoryStep {
  * stateManager.undo()
  * stateManager.redo()
  *
+ * // 用例4 多连线
+ * stateManager.beginStateUpdate();stateManager.vdata.items[0].dt.center.push('p3');stateManager.vdata.items[2].dt.center.push('p1');stateManager.endStateUpdate();
+ * stateManager.undo()
+ *
+ * // 用例5 删除线
+ * stateManager.beginStateUpdate();stateManager.vdata.items[0].dt.center=[];stateManager.vdata.items[1].dt.center.splice(0,1);stateManager.endStateUpdate();
+ * stateManager.undo()
  */
 export default class StateManager {
   /**