diff --git a/src/pages/vimp/components/alarm-tree.vue b/src/pages/vimp/components/alarm-tree.vue
index 4e7c916..a0c3f4a 100644
--- a/src/pages/vimp/components/alarm-tree.vue
+++ b/src/pages/vimp/components/alarm-tree.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { NIcon, NTabPane, NTabs, NTree, type TreeOverrideNodeClickBehavior, type TreeProps } from 'naive-ui';
-import { computed, h, type CSSProperties } from 'vue';
+import { h, type CSSProperties } from 'vue';
 import { useAlarmStore, useResourcePanelStore } from '../stores';
 import { storeToRefs } from 'pinia';
 import { useChannelsQuery } from '../composables';
@@ -99,8 +99,6 @@ const renderNodeSuffix: TreeProps['renderSuffix'] = ({ option }) => {
 const resourcePanelStore = useResourcePanelStore();
 const { searchPattern } = storeToRefs(resourcePanelStore);
 
-const defaultExpandAll = computed(() => searchPattern.value.trim().length > 0);
-
 const searchFilter: TreeProps['filter'] = (pattern, node) => {
   if (!isAlarmNode(node)) return false;
   return node.alarm.name.includes(pattern);
@@ -121,7 +119,6 @@ const searchFilter: TreeProps['filter'] = (pattern, node) => {
       :render-label="renderNodeLabel"
       :render-suffix="renderNodeSuffix"
       :override-default-node-click-behavior="overrideNodeClickBehavior"
-      :default-expand-all="defaultExpandAll"
       :show-irrelevant-nodes="false"
       :data="lineTabPanes.at(0)?.alarmTree"
       :pattern="searchPattern"
@@ -144,7 +141,7 @@ const searchFilter: TreeProps['filter'] = (pattern, node) => {
         // '--n-tab-padding-vertical': '14px 12px'
       }"
     >
-      <NTabPane v-for="{ lineCode, lineName, alarmTree } in lineTabPanes" :key="lineCode" :name="lineName">
+      <NTabPane v-for="{ lineCode, lineName, alarmTree } in lineTabPanes" :key="lineCode" :name="lineName" :display-directive="'show:lazy'">
         <template #tab>
           <span style="font-size: 12px">{{ lineName }}</span>
         </template>
@@ -158,7 +155,6 @@ const searchFilter: TreeProps['filter'] = (pattern, node) => {
             :render-label="renderNodeLabel"
             :render-suffix="renderNodeSuffix"
             :override-default-node-click-behavior="overrideNodeClickBehavior"
-            :default-expand-all="defaultExpandAll"
             :show-irrelevant-nodes="false"
             :data="alarmTree"
             :pattern="searchPattern"
diff --git a/src/pages/vimp/components/camera-tree.vue b/src/pages/vimp/components/camera-tree.vue
index 7ecb1c9..2a9d64f 100644
--- a/src/pages/vimp/components/camera-tree.vue
+++ b/src/pages/vimp/components/camera-tree.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { NIcon, NTabPane, NTabs, NTree, type TreeOverrideNodeClickBehavior, type TreeProps } from 'naive-ui';
-import { computed, h, type CSSProperties } from 'vue';
+import { h, type CSSProperties } from 'vue';
 import { useCameraStore, useResourcePanelStore } from '../stores';
 import { storeToRefs } from 'pinia';
 import { useChannelsQuery } from '../composables';
@@ -102,8 +102,6 @@ const renderNodeSuffix: TreeProps['renderSuffix'] = ({ option }) => {
 const resourcePanelStore = useResourcePanelStore();
 const { searchPattern } = storeToRefs(resourcePanelStore);
 
-const defaultExpandAll = computed(() => searchPattern.value.trim().length > 0);
-
 const searchFilter: TreeProps['filter'] = (pattern, node) => {
   if (!isCameraNode(node)) return false;
   return node.camera.name.includes(pattern);
@@ -124,7 +122,6 @@ const searchFilter: TreeProps['filter'] = (pattern, node) => {
       :render-label="renderNodeLabel"
       :render-suffix="renderNodeSuffix"
       :override-default-node-click-behavior="overrideNodeClickBehavior"
-      :default-expand-all="defaultExpandAll"
       :show-irrelevant-nodes="false"
       :data="lineTabPanes.at(0)?.cameraTree"
       :pattern="searchPattern"
@@ -147,7 +144,7 @@ const searchFilter: TreeProps['filter'] = (pattern, node) => {
         // '--n-tab-padding-vertical': '14px 12px'
       }"
     >
-      <NTabPane v-for="{ lineCode, lineName, cameraTree } in lineTabPanes" :key="lineCode" :name="lineName">
+      <NTabPane v-for="{ lineCode, lineName, cameraTree } in lineTabPanes" :key="lineCode" :name="lineName" :display-directive="'show:lazy'">
         <template #tab>
           <span style="font-size: 12px">{{ lineName }}</span>
         </template>
@@ -161,7 +158,6 @@ const searchFilter: TreeProps['filter'] = (pattern, node) => {
             :render-label="renderNodeLabel"
             :render-suffix="renderNodeSuffix"
             :override-default-node-click-behavior="overrideNodeClickBehavior"
-            :default-expand-all="defaultExpandAll"
             :show-irrelevant-nodes="false"
             :data="cameraTree"
             :pattern="searchPattern"