fix: Correct error handling in FormPanel by using oldNode reference for error messages

Author: cn-xufei

packages/dag/src/components/FormPanel.vue

@@ -124,14 +124,14 @@ export default {
           } catch (e) {
             // eslint-disable-next-line no-console
             console.error(e)
-            if (node.type === 'table_rename_processor') {
+            if (oldNode.type === 'table_rename_processor') {
               // 节点的特殊处理，直接拿表单校验结果设置错误信息
               this.setNodeErrorMsg({
-                id: node.id,
+                id: oldNode.id,
                 msg: e[0].messages[0]
               })
             } else {
-              this.setNodeError(node.id)
+              this.setNodeError(oldNode.id)
             }
           }
         }