添加测试信息

src/components/button-group/index.ts

@@ -94,6 +94,29 @@ export class BimButtonGroup implements IBimComponent {
         }
 
         this.updatePosition();
+        
+        // 添加事件拦截，防止点击穿透到 3D 引擎
+        this.setupEventInterception(this.container);
+    }
+
+    /**
+     * 设置事件拦截，防止事件<E4BA8B><E4BBB6>泡到下层元素（如 3D 引擎）
+     */
+    private setupEventInterception(el: HTMLElement): void {
+        const stopPropagation = (e: Event) => {
+            e.stopPropagation();
+        };
+
+        const events = [
+            'click', 'dblclick', 'contextmenu', 'wheel',
+            'mousedown', 'mouseup', 'mousemove',
+            'touchstart', 'touchend', 'touchmove',
+            'pointerdown', 'pointerup', 'pointermove', 'pointerenter', 'pointerleave', 'pointerover', 'pointerout'
+        ];
+
+        events.forEach(eventType => {
+            el.addEventListener(eventType, stopPropagation, { passive: false });
+        });
     }
 
     private updatePosition() {
@@ -405,6 +428,9 @@ export class BimButtonGroup implements IBimComponent {
 
         // 先添加到 DOM 以便计算尺寸
         document.body.appendChild(dropdown);
+        
+        // 添加事件拦截
+        this.setupEventInterception(dropdown);
 
         // 添加菜单项
         button.children.forEach(subBtn => {