修改

src/views/demand/index.vue

@@ -263,9 +263,9 @@ const toSelect = (data, item) => {
     if (val.title == data.title) {
       for (const i of data.list) {
         if (i.value == item.value) {
-          i.is_active = !i.is_active
-          if (i.is_active == true) selectList.value.push({ ...i, ...{ title: val.title } })
-          else selectList.value = selectList.value.filter((f) => f.label != i.label)
+          i.is_active = true
+          const select = selectList.value.find((f) => f.label == i.label)
+          if (!select) selectList.value.push({ ...i, ...{ title: val.title } })
         }
       }
     }