fix:DEFECT-1014 修复物模型去掉了单位,但是并未生效

@@ -151,8 +151,10 @@ export const formSchemas: FormSchema[] = [
         labelField: 'itemText',
         valueField: 'itemValue',
         onChange(_, record: Record<'label' | 'value', string>) {
-          const { label } = record;
-          setFieldsValue({ [FormField.UNIT_NAME]: label });
+          if (record) {
+            const { label } = record;
+            setFieldsValue({ [FormField.UNIT_NAME]: label });
+          }
         },
         getPopupContainer: () => document.body,
         showSearch: true,