feat: 修改方案解析

src/components/template/template-page-1.vue

@@ -280,7 +280,7 @@ export default {
             closable: true,
             paramCallback: () => {
               return item.items.map(dav => {
-                if (dav.value[0] == '[' && dav.value[dav.value.length - 1] == ']') {
+                if (dav.value && dav.value[0] == '[' && dav.value[dav.value.length - 1] == ']') {
                   return {
                     param: dav.param,
                     compare: dav.compare,