diff --git a/src/composables/query/use-station-list-query.ts b/src/composables/query/use-station-list-query.ts
index 0ad58aa..a8ca4c9 100644
--- a/src/composables/query/use-station-list-query.ts
+++ b/src/composables/query/use-station-list-query.ts
@@ -35,7 +35,16 @@ export function useStationListQuery() {
         online: pingResultList[index].status === 'fulfilled',
       }));
 
-      stationList.value.splice(0, stationList.value.length, ...stations);
+      const isSame =
+        stationList.value.length === stations.length &&
+        stationList.value.every((oldStation, index) => {
+          const newStation = stations[index];
+          return oldStation.code === newStation.code && oldStation.name === newStation.name && oldStation.deviceIdPrefix === newStation.deviceIdPrefix && oldStation.online === newStation.online;
+        });
+
+      if (!isSame) {
+        stationList.value.splice(0, stationList.value.length, ...stations);
+      }
 
       updatedTime.value = dayjs().toJSON();
 
diff --git a/src/pages/alarm-page.vue b/src/pages/alarm-page.vue
index e4de17f..ff855c9 100644
--- a/src/pages/alarm-page.vue
+++ b/src/pages/alarm-page.vue
@@ -10,26 +10,11 @@ import dayjs from 'dayjs';
 import type { DataTableColumns, DataTableRowData, PaginationProps, SelectOption } from 'naive-ui';
 import { NForm, NInput, NButton, NSpace, NDataTable, NFormItemGi, NGrid, NSelect, NGridItem, NDatePicker } from 'naive-ui';
 import { storeToRefs } from 'pinia';
-import { ref, reactive, onBeforeMount, h, shallowRef, watch, computed } from 'vue';
+import { ref, reactive, onBeforeMount, h, computed } from 'vue';
 
 const stationStore = useStationStore();
 const { stationList } = storeToRefs(stationStore);
 
-// const stationSelectOptions = shallowRef<SelectOption[]>([]);
-// watch(
-//   stationList,
-//   (list) => {
-//     const next = list.map<SelectOption>((station) => ({
-//       label: station.name,
-//       value: station.deviceIdPrefix,
-//     }));
-//     stationSelectOptions.value.splice(0, stationSelectOptions.value.length, ...next);
-//   },
-//   {
-//     immediate: true,
-//     deep: true,
-//   },
-// );
 const stationSelectOptions = computed(() => {
   return stationList.value.map<SelectOption>((station) => ({
     label: station.name,
diff --git a/src/pages/vimp-log-page.vue b/src/pages/vimp-log-page.vue
index d75bc96..7288d35 100644
--- a/src/pages/vimp-log-page.vue
+++ b/src/pages/vimp-log-page.vue
@@ -24,31 +24,17 @@ import {
   type SelectOption,
 } from 'naive-ui';
 import { storeToRefs } from 'pinia';
-import { computed, h, onBeforeMount, reactive, ref, shallowRef, watch } from 'vue';
+import { computed, h, onBeforeMount, reactive, ref } from 'vue';
 
 useStationListQuery();
 const stationStore = useStationStore();
 const { stationList } = storeToRefs(stationStore);
 
-// const stationSelectOptions = shallowRef<SelectOption[]>([]);
-// watch(
-//   stationList,
-//   (list) => {
-//     const next = list.map<SelectOption>((station) => ({
-//       label: station.name,
-//       value: station.deviceIdPrefix,
-//     }));
-//     stationSelectOptions.value.splice(0, stationSelectOptions.value.length, ...next);
-//   },
-//   {
-//     immediate: true,
-//     deep: true,
-//   },
-// );
 const stationSelectOptions = computed(() => {
   return stationList.value.map<SelectOption>((station) => ({
     label: station.name,
     value: station.deviceIdPrefix,
+    disabled: !station.online,
   }));
 });