fix：修改二级病害报错

src/views/xj/document/maintenance-notice/components/edit-dialog.vue

@@ -2,7 +2,7 @@
  * @Author: SunTao 328867980@qq.com
  * @Date: 2024-11-20 11:58:33
  * @LastEditors: SunTao 328867980@qq.com
- * @LastEditTime: 2025-03-10 09:23:25
+ * @LastEditTime: 2025-03-10 11:27:58
  * @FilePath: \znxjxt-ui\src\views\xj\document\maintenance-notice\components\edit-dialog.vue
  * @Description: 养护通知单编辑弹窗
 -->
@@ -530,8 +530,9 @@ export default {
           this.handleConnTunnel(val.connTunnelName)
           this.handleStationCode(val.stationCodename)
           this.handleRampIntOrientation(val.rampInterchangeName)
-
-          this.changeDetailed(val.diseFirstType);
+          if (val.diseFirstType) {
+            this.changeDetailed(val.diseFirstType);
+          }
           this.changeRampIntOrientation(val.rampInterchangeCode);
           this.editForm = Object.assign(this.editForm, val);
           if (this.dialogMsg !== "请注意：") {