fix:修改渲染区坐标信息获取方式为dom

src/components/DynamicComponent.vue

@@ -103,7 +103,7 @@ const adjustHeaderPosition = () => {
   let left = 0;
 
   // 获取最外层组件渲染区域的边界
-  const containerEl = targetContent.value;
+  const containerEl = document.getElementById('renderArea');
   if (!containerEl) return;
 
   const containerRect = containerEl.getBoundingClientRect();