diff --git a/packages/backend/src/server/api/mastodon/endpoints/account.ts b/packages/backend/src/server/api/mastodon/endpoints/account.ts
index abb31bb7f..f395c5a9c 100644
--- a/packages/backend/src/server/api/mastodon/endpoints/account.ts
+++ b/packages/backend/src/server/api/mastodon/endpoints/account.ts
@@ -304,7 +304,7 @@ export function apiAccountMastodon(router: Router): void {
 		const client = getClient(BASE_URL, accessTokens);
 		let users;
 		try {
-			const idsRaw = ctx.request.body?["id[]"] : null;
+			const idsRaw = ctx.request.body ? ["id[]"] : null;
 			const ids = typeof idsRaw === "string" ? [idsRaw] : idsRaw;
 			users = ids;
 			relationshopModel.id = idsRaw?.toString() || "1";
diff --git a/packages/client/src/pages/admin/overview.vue b/packages/client/src/pages/admin/overview.vue
index e18af898b..074f23f31 100644
--- a/packages/client/src/pages/admin/overview.vue
+++ b/packages/client/src/pages/admin/overview.vue
@@ -1,260 +1,84 @@
 <template>
-<MkSpacer :content-max="900">
-	<div ref="rootEl" v-size="{ max: [740] }" class="edbbcaef">
-		<div class="left">
-			<div v-if="stats" class="container stats">
-				<div class="title">Stats</div>
-				<div class="body">
-					<div class="number _panel">
-						<div class="label">Users</div>
-						<div class="value _monospace">
-							{{ number(stats.originalUsersCount) }}
-							<MkNumberDiff v-if="usersComparedToThePrevDay != null" v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="usersComparedToThePrevDay"><template #before>(</template><template #after>)</template></MkNumberDiff>
-						</div>
-					</div>
-					<div class="number _panel">
-						<div class="label">Notes</div>
-						<div class="value _monospace">
-							{{ number(stats.originalNotesCount) }}
-							<MkNumberDiff v-if="notesComparedToThePrevDay != null" v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="notesComparedToThePrevDay"><template #before>(</template><template #after>)</template></MkNumberDiff>
-						</div>
-					</div>
-				</div>
-			</div>
-
-			<div class="container queue">
-				<div class="title">Job queue</div>
-				<div class="body">
-					<div class="chart deliver">
-						<div class="title">Deliver</div>
-						<XQueueChart :connection="queueStatsConnection" domain="deliver"/>
-					</div>
-					<div class="chart inbox">
-						<div class="title">Inbox</div>
-						<XQueueChart :connection="queueStatsConnection" domain="inbox"/>
-					</div>
-				</div>
-			</div>
-
-			<div class="container users">
-				<div class="title">New users</div>
-				<div v-if="newUsers" class="body">
-					<XUser v-for="user in newUsers" :key="user.id" class="user" :user="user"/>
-				</div>
-			</div>
-
-			<div class="container files">
-				<div class="title">Recent files</div>
-				<div class="body">
-					<MkFileListForAdmin :pagination="filesPagination" view-mode="grid"/>
-				</div>
-			</div>
-
-			<div class="container env">
-				<div class="title">Enviroment</div>
-				<div class="body">
-					<div class="number _panel">
-						<div class="label">Calckey</div>
-						<div class="value _monospace">{{ version }}</div>
-					</div>
-					<div v-if="serverInfo" class="number _panel">
-						<div class="label">Node.js</div>
-						<div class="value _monospace">{{ serverInfo.node }}</div>
-					</div>
-					<div v-if="serverInfo" class="number _panel">
-						<div class="label">PostgreSQL</div>
-						<div class="value _monospace">{{ serverInfo.psql }}</div>
-					</div>
-					<div v-if="serverInfo" class="number _panel">
-						<div class="label">Redis</div>
-						<div class="value _monospace">{{ serverInfo.redis }}</div>
-					</div>
-				</div>
-			</div>
-		</div>
-		<div class="right">
-			<div class="container charts">
-				<div class="title">Active users</div>
-				<div class="body">
-					<canvas ref="chartEl"></canvas>
-				</div>
-			</div>
-			<div class="container federation">
-				<div class="title">Active instances</div>
-				<div class="body">
-					<XFederation/>
-				</div>
-			</div>
-			<div v-if="stats" class="container federationStats">
-				<div class="title">Federation</div>
-				<div class="body">
-					<div class="number _panel">
-						<div class="label">Sub</div>
-						<div class="value _monospace">
-							{{ number(federationSubActive) }}
-							<MkNumberDiff v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="federationSubActiveDiff"><template #before>(</template><template #after>)</template></MkNumberDiff>
-						</div>
-					</div>
-					<div class="number _panel">
-						<div class="label">Pub</div>
-						<div class="value _monospace">
-							{{ number(federationPubActive) }}
-							<MkNumberDiff v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="federationPubActiveDiff"><template #before>(</template><template #after>)</template></MkNumberDiff>
-						</div>
-					</div>
-				</div>
-			</div>
-			<div class="container tagCloud">
-				<div class="body">
-					<MkTagCloud v-if="activeInstances">
-						<li v-for="instance in activeInstances">
-							<a @click.prevent="onInstanceClick(instance)">
-								<img style="width: 32px;" :src="instance.iconUrl">
-							</a>
-						</li>
-					</MkTagCloud>
-				</div>
-			</div>
-			<div v-if="topSubInstancesForPie && topPubInstancesForPie" class="container federationPies">
-				<div class="body">
-					<div class="chart deliver">
-						<div class="title">Sub</div>
-						<XPie :data="topSubInstancesForPie"/>
-						<div class="subTitle">Top 10</div>
-					</div>
-					<div class="chart inbox">
-						<div class="title">Pub</div>
-						<XPie :data="topPubInstancesForPie"/>
-						<div class="subTitle">Top 10</div>
-					</div>
-				</div>
-			</div>
-			<div class="item">
+	<MkSpacer :content-max="1000">
+		<div ref="rootEl" class="edbbcaef">
+			<MkFoldableSection class="item">
 				<template #header>Stats</template>
 				<XStats/>
-			</div>
+			</MkFoldableSection>
 
-			<div class="item">
+			<MkFoldableSection class="item">
 				<template #header>Active users</template>
 				<XActiveUsers/>
-			</div>
+			</MkFoldableSection>
 
-			<div class="item">
+			<MkFoldableSection class="item">
 				<template #header>Heatmap</template>
 				<XHeatmap/>
-			</div>
+			</MkFoldableSection>
 
-			<div class="item">
+			<MkFoldableSection class="item">
 				<template #header>Moderators</template>
 				<XModerators/>
-			</div>
+			</MkFoldableSection>
 
-			<div class="item">
+			<MkFoldableSection class="item">
 				<template #header>Federation</template>
 				<XFederation/>
-			</div>
+			</MkFoldableSection>
 
-			<div class="item">
+			<MkFoldableSection class="item">
 				<template #header>Instances</template>
 				<XInstances/>
-			</div>
+			</MkFoldableSection>
 
-			<div class="item">
+			<MkFoldableSection class="item">
 				<template #header>Ap requests</template>
 				<XApRequests/>
-			</div>
+			</MkFoldableSection>
 
-			<div class="item">
+			<MkFoldableSection class="item">
 				<template #header>New users</template>
 				<XUsers/>
-			</div>
+			</MkFoldableSection>
 
-			<div class="item">
+			<MkFoldableSection class="item">
 				<template #header>Deliver queue</template>
 				<XQueue domain="deliver"/>
-			</div>
+			</MkFoldableSection>
 
-			<div class="item">
+			<MkFoldableSection class="item">
 				<template #header>Inbox queue</template>
 				<XQueue domain="inbox"/>
-			</div>
+			</MkFoldableSection>
 		</div>
-	</div>
-</MkSpacer>
+	</MkSpacer>
 </template>
 
 <script lang="ts" setup>
 import { markRaw, version as vueVersion, onMounted, onBeforeUnmount, nextTick } from 'vue';
-import {
-	Chart,
-	ArcElement,
-	LineElement,
-	BarElement,
-	PointElement,
-	BarController,
-	LineController,
-	CategoryScale,
-	LinearScale,
-	TimeScale,
-	Legend,
-	Title,
-	Tooltip,
-	SubTitle,
-	Filler,
-} from 'chart.js';
-import { enUS } from 'date-fns/locale';
-import tinycolor from 'tinycolor2';
-import MagicGrid from 'magic-grid';
-import XMetrics from './metrics.vue';
 import XFederation from './overview.federation.vue';
-import XQueueChart from './overview.queue-chart.vue';
+import XInstances from './overview.instances.vue';
+import XQueue from './overview.queue.vue';
 import XApRequests from './overview.ap-requests.vue';
 import XUsers from './overview.users.vue';
 import XActiveUsers from './overview.active-users.vue';
 import XStats from './overview.stats.vue';
 import XModerators from './overview.moderators.vue';
 import XHeatmap from './overview.heatmap.vue';
-import XUser from './overview.user.vue';
-import XPie from './overview.pie.vue';
-import MkNumberDiff from '@/components/MkNumberDiff.vue';
 import MkTagCloud from '@/components/MkTagCloud.vue';
 import { version, url } from '@/config';
-import number from '@/filters/number';
 import * as os from '@/os';
 import { stream } from '@/stream';
 import { i18n } from '@/i18n';
 import { definePageMetadata } from '@/scripts/page-metadata';
-import 'chartjs-adapter-date-fns';
 import { defaultStore } from '@/store';
-import { useChartTooltip } from '@/scripts/use-chart-tooltip';
 import MkFileListForAdmin from '@/components/MkFileListForAdmin.vue';
+import MkFoldableSection from '@/components/MkFoldableSection.vue';
 
-Chart.register(
-	ArcElement,
-	LineElement,
-	BarElement,
-	PointElement,
-	BarController,
-	LineController,
-	CategoryScale,
-	LinearScale,
-	TimeScale,
-	Legend,
-	Title,
-	Tooltip,
-	SubTitle,
-	Filler,
-	//gradient,
-);
-
-const rootEl = $ref<HTMLElement>();
-const chartEl = $ref<HTMLCanvasElement>(null);
-let stats: any = $ref(null);
+const rootEl = $shallowRef<HTMLElement>();
 let serverInfo: any = $ref(null);
 let topSubInstancesForPie: any = $ref(null);
 let topPubInstancesForPie: any = $ref(null);
-let usersComparedToThePrevDay: any = $ref(null);
-let notesComparedToThePrevDay: any = $ref(null);
 let federationPubActive = $ref<number | null>(null);
 let federationPubActiveDiff = $ref<number | null>(null);
 let federationSubActive = $ref<number | null>(null);
@@ -263,170 +87,12 @@ let newUsers = $ref(null);
 let activeInstances = $shallowRef(null);
 const queueStatsConnection = markRaw(stream.useChannel('queueStats'));
 const now = new Date();
-let chartInstance: Chart = null;
-const chartLimit = 30;
 const filesPagination = {
 	endpoint: 'admin/drive/files' as const,
 	limit: 9,
 	noPaging: true,
 };
 
-const { handler: externalTooltipHandler } = useChartTooltip();
-
-async function renderChart() {
-	if (chartInstance) {
-		chartInstance.destroy();
-	}
-
-	const getDate = (ago: number) => {
-		const y = now.getFullYear();
-		const m = now.getMonth();
-		const d = now.getDate();
-
-		return new Date(y, m, d - ago);
-	};
-
-	const format = (arr) => {
-		return arr.map((v, i) => ({
-			x: getDate(i).getTime(),
-			y: v,
-		}));
-	};
-
-	const raw = await os.api('charts/active-users', { limit: chartLimit, span: 'day' });
-
-	const gridColor = defaultStore.state.darkMode ? 'rgba(255, 255, 255, 0.1)' : 'rgba(0, 0, 0, 0.1)';
-	const vLineColor = defaultStore.state.darkMode ? 'rgba(255, 255, 255, 0.2)' : 'rgba(0, 0, 0, 0.2)';
-
-	// フォントカラー
-	Chart.defaults.color = getComputedStyle(document.documentElement).getPropertyValue('--fg');
-
-	const color = tinycolor(getComputedStyle(document.documentElement).getPropertyValue('--accent'));
-
-	chartInstance = new Chart(chartEl, {
-		type: 'bar',
-		data: {
-			//labels: new Array(props.limit).fill(0).map((_, i) => getDate(i).toLocaleString()).slice().reverse(),
-			datasets: [{
-				parsing: false,
-				label: 'a',
-				data: format(raw.readWrite).slice().reverse(),
-				tension: 0.3,
-				pointRadius: 0,
-				borderWidth: 0,
-				borderJoinStyle: 'round',
-				borderRadius: 3,
-				backgroundColor: color,
-				/*gradient: props.bar ? undefined : {
-					backgroundColor: {
-						axis: 'y',
-						colors: {
-							0: alpha(x.color ? x.color : getColor(i), 0),
-							[maxes[i]]: alpha(x.color ? x.color : getColor(i), 0.2),
-						},
-					},
-				},*/
-				barPercentage: 0.9,
-				categoryPercentage: 0.9,
-				clip: 8,
-			}],
-		},
-		options: {
-			aspectRatio: 2.5,
-			layout: {
-				padding: {
-					left: 0,
-					right: 0,
-					top: 0,
-					bottom: 0,
-				},
-			},
-			scales: {
-				x: {
-					type: 'time',
-					display: false,
-					stacked: true,
-					offset: false,
-					time: {
-						stepSize: 1,
-						unit: 'month',
-					},
-					grid: {
-						display: false,
-					},
-					ticks: {
-						display: false,
-					},
-					adapters: {
-						date: {
-							locale: enUS,
-						},
-					},
-					min: getDate(chartLimit).getTime(),
-				},
-				y: {
-					display: false,
-					position: 'left',
-					stacked: true,
-					grid: {
-						display: false,
-					},
-					ticks: {
-						display: false,
-						//mirror: true,
-					},
-				},
-			},
-			interaction: {
-				intersect: false,
-				mode: 'index',
-			},
-			elements: {
-				point: {
-					hoverRadius: 5,
-					hoverBorderWidth: 2,
-				},
-			},
-			animation: false,
-			plugins: {
-				legend: {
-					display: false,
-				},
-				tooltip: {
-					enabled: false,
-					mode: 'index',
-					animation: {
-						duration: 0,
-					},
-					external: externalTooltipHandler,
-				},
-				//gradient,
-			},
-		},
-		plugins: [{
-			id: 'vLine',
-			beforeDraw(chart, args, options) {
-				if (chart.tooltip?._active?.length) {
-					const activePoint = chart.tooltip._active[0];
-					const ctx = chart.ctx;
-					const x = activePoint.element.x;
-					const topY = chart.scales.y.top;
-					const bottomY = chart.scales.y.bottom;
-
-					ctx.save();
-					ctx.beginPath();
-					ctx.moveTo(x, bottomY);
-					ctx.lineTo(x, topY);
-					ctx.lineWidth = 1;
-					ctx.strokeStyle = vLineColor;
-					ctx.stroke();
-					ctx.restore();
-				}
-			},
-		}],
-	});
-}
-
 function onInstanceClick(i) {
 	os.pageWindow(`/instance-info/${i.host}`);
 }
@@ -442,20 +108,6 @@ onMounted(async () => {
 	magicGrid.listen();
 	*/
 
-	renderChart();
-
-	os.api('stats', {}).then(statsResponse => {
-		stats = statsResponse;
-
-		os.apiGet('charts/users', { limit: 2, span: 'day' }).then(chart => {
-			usersComparedToThePrevDay = stats.originalUsersCount - chart.local.total[1];
-		});
-
-		os.apiGet('charts/notes', { limit: 2, span: 'day' }).then(chart => {
-			notesComparedToThePrevDay = stats.originalNotesCount - chart.local.total[1];
-		});
-	});
-
 	os.apiGet('charts/federation', { limit: 2, span: 'day' }).then(chart => {
 		federationPubActive = chart.pubActive[0];
 		federationPubActiveDiff = chart.pubActive[0] - chart.pubActive[1];
@@ -494,7 +146,7 @@ onMounted(async () => {
 	});
 
 	os.api('federation/instances', {
-		sort: '+lastCommunicatedAt',
+		sort: '+latestRequestReceivedAt',
 		limit: 25,
 	}).then(res => {
 		activeInstances = res;
@@ -518,171 +170,14 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.dashboard,
-	icon: 'ph-gauge-bold ph-lg',
+	icon: 'ti ti-dashboard',
 });
 </script>
 
 <style lang="scss" scoped>
 .edbbcaef {
-	display: flex;
-
-	> .left, > .right {
-		box-sizing: border-box;
-		width: 50%;
-
-		> .container {
-			margin: 32px 0;
-
-			> .title {
-				font-weight: bold;
-				margin-bottom: 16px;
-			}
-
-			&.stats, &.federationStats {
-				> .body {
-					display: grid;
-					grid-gap: 16px;
-					grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
-
-					> .number {
-						padding: 14px 20px;
-
-						> .label {
-							opacity: 0.7;
-							font-size: 0.8em;
-						}
-
-						> .value {
-							font-weight: bold;
-							font-size: 1.5em;
-
-							> .diff {
-								font-size: 0.7em;
-							}
-						}
-					}
-				}
-			}
-
-			&.env {
-				> .body {
-					display: grid;
-					grid-gap: 16px;
-					grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
-
-					> .number {
-						padding: 14px 20px;
-
-						> .label {
-							opacity: 0.7;
-							font-size: 0.8em;
-						}
-
-						> .value {
-							font-size: 1.1em;
-						}
-					}
-				}
-			}
-
-			&.charts {
-				> .body {
-					padding: 32px;
-					background: var(--panel);
-					border-radius: var(--radius);
-				}
-			}
-
-			&.users {
-				> .body {
-					background: var(--panel);
-					border-radius: var(--radius);
-
-					> .user {
-						padding: 16px 20px;
-
-						&:not(:last-child) {
-							border-bottom: solid 0.5px var(--divider);
-						}
-					}
-				}
-			}
-
-			&.federation {
-				> .body {
-					background: var(--panel);
-					border-radius: var(--radius);
-					overflow: clip;
-				}
-			}
-
-			&.queue {
-				> .body {
-					display: grid;
-					grid-gap: 16px;
-					grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
-
-					> .chart {
-						position: relative;
-						padding: 20px;
-						background: var(--panel);
-						border-radius: var(--radius);
-
-						> .title {
-							position: absolute;
-							top: 20px;
-							left: 20px;
-							font-size: 90%;
-						}
-					}
-				}
-			}
-
-			&.federationPies {
-				> .body {
-					display: grid;
-					grid-gap: 16px;
-					grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
-
-					> .chart {
-						position: relative;
-						padding: 20px;
-						background: var(--panel);
-						border-radius: var(--radius);
-
-						> .title {
-							position: absolute;
-							top: 20px;
-							left: 20px;
-							font-size: 90%;
-						}
-
-						> .subTitle {
-							position: absolute;
-							bottom: 20px;
-							right: 20px;
-							font-size: 85%;
-						}
-					}
-				}
-			}
-
-			&.tagCloud {
-				> .body {
-					background: var(--panel);
-					border-radius: var(--radius);
-					overflow: clip;
-				}
-			}
-		}
-	}
-
-	> .left {
-		padding-right: 16px;
-	}
-
-	> .right {
-		padding-left: 16px;
-	}
+	display: grid;
+	grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
+	grid-gap: 16px;
 }
 </style>