画布增加的新功能

src/component/Canvas/CanvasEditor/managers/command/CommandManager.js

@@ -8,6 +8,7 @@ import { PerformanceManager } from "./PerformanceManager.js";
  */
 export class CommandManager {
   constructor(options = {}) {
+	this.canvas = options.canvas;
     this.undoStack = [];
     this.redoStack = [];
     this.maxHistorySize = options.maxHistorySize || 50;
@@ -205,6 +206,7 @@ export class CommandManager {
     const startTime = performance.now();
 
     try {
+      this.canvas?.discardActiveObject();
       const command = this.undoStack.pop();
       console.log(`↩️ 撤销命令: ${command.constructor.name}`);
 
@@ -243,6 +245,7 @@ export class CommandManager {
     const startTime = performance.now();
 
     try {
+      this.canvas?.discardActiveObject();
       const command = this.redoStack.pop();
       console.log(`↪️ 重做命令: ${command.constructor.name}`);