修复布展单元新增同级节点bug

src/views/display/components/ExhibitionUnit.vue

@@ -311,7 +311,7 @@ export default {
       data.children.push(newChild);
     },
     appendPeerNode(node, data) {
-      // debugger
+      debugger;
       const parent = node.parent.data;
       const newChild = {
         euId: euId++,
@@ -324,7 +324,12 @@ export default {
         videos: "",
         children: [],
       };
-      parent.push(newChild);
+      // return
+      if (parent instanceof Array) {
+        parent.push(newChild);
+      } else {
+        parent.children.push(newChild)
+      }
     },
     remove(node, data) {
       const parent = node.parent;
@@ -355,7 +360,7 @@ export default {
           this.currentData = this.treeData[0];
           break;
         default:
-          this.$message.info('该功能仍在开发中，敬请期待')
+          this.$message.info("该功能仍在开发中，敬请期待");
           break;
       }
     },