diff --git a/app/person/report/page.tsx b/app/person/report/page.tsx
index 74ee103..46a5d2b 100644
--- a/app/person/report/page.tsx
+++ b/app/person/report/page.tsx
@@ -43,6 +43,7 @@ import { VirtualTreeSelect } from "@/components/tree-select/tree"
 import { DateInput } from "@mantine/dates"
 import dayjs from "dayjs"
 import "dayjs/locale/zh-cn"
+import duration from "dayjs/plugin/duration"
 import { DataTableColumn, DataTableSortStatus } from "mantine-datatable"
 import { useCallback, useEffect, useMemo, useState } from "react"
 import DailyReportModal from "./components/DailyReportModal"
@@ -57,6 +58,7 @@ import {
   workTypeOpts,
 } from "./config"
 import classes from "./page.module.css"
+dayjs.extend(duration)
 
 function weekDayText(day: number) {
   const list = ["周日", "周一", "周二", "周三", "周四", "周五", "周六"]
@@ -276,6 +278,10 @@ export default function PersonReportPage() {
       return accumulator + (Number.isFinite(value) ? value : 0)
     }, 0)
 
+  const getTime = (time: number) => {
+    return dayjs.duration(time, "seconds").format("HH:mm:ss")
+  }
+
   const columns = useMemo(() => {
     const cols: DataTableColumn<Daily.DailyWorkList>[] = [
       {
@@ -366,7 +372,8 @@ export default function PersonReportPage() {
         title: "工时",
         width: 90,
         sortable: true,
-        footer: sum(records.map((r) => r.work_time ?? 0)).toLocaleString(),
+        render: (record) => (record.work_time ? getTime(record.work_time) : 0),
+        footer: getTime(sum(records.map((r) => r.work_time ?? 0))),
       },
       { accessor: "rate", title: "额定倍率", width: 90 },
       {
diff --git a/app/person/workload/WorkloadMetricsTable.tsx b/app/person/workload/WorkloadMetricsTable.tsx
index 80548ee..c691f2a 100644
--- a/app/person/workload/WorkloadMetricsTable.tsx
+++ b/app/person/workload/WorkloadMetricsTable.tsx
@@ -23,10 +23,12 @@ import {
 } from "@tabler/icons-react"
 import dayjs from "dayjs"
 import "dayjs/locale/zh-cn"
+import duration from "dayjs/plugin/duration"
 import { DataTableColumn, DataTableSortStatus } from "mantine-datatable"
 import { useEffect, useMemo, useState } from "react"
 import * as XLSX from "xlsx-js-style"
 import { DimensionType, GroupedData, MetricColumn } from "./config"
+dayjs.extend(duration)
 
 function emptyGroupedData(): GroupedData {
   return {
@@ -159,6 +161,10 @@ export default function WorkloadMetricsTable(props: {
     return list
   }, [filteredRecords, sortStatus.columnAccessor, sortStatus.direction])
 
+  const getTime = (time: number) => {
+    return dayjs.duration(time, "seconds").format("HH:mm:ss")
+  }
+
   const baseColumns = useMemo(() => {
     const allCols: Record<DimensionType, DataTableColumn<any>[]> = {
       all: [
@@ -190,18 +196,33 @@ export default function WorkloadMetricsTable(props: {
           const value = Number(item?.[metric.key] ?? 0)
           return acc + (Number.isFinite(value) ? value : 0)
         }, 0)
-        return [metric.key, sum]
+        if (["work_time"].includes(metric.key)) {
+          return [metric.key, getTime(sum ?? 0)]
+        } else {
+          return [metric.key, sum]
+        }
       })
     ) as Record<string, number>
 
     const metricCols = metrics.map((metric) => {
-      return {
-        accessor: metric.key,
-        title: metric.title,
-        width: 140,
-        sortable: true,
-        footer: totalsByKey[metric.key] ?? 0,
-      } as DataTableColumn<any>
+      if (["work_time"].includes(metric.key)) {
+        return {
+          accessor: metric.key,
+          title: metric.title,
+          width: 140,
+          sortable: true,
+          footer: totalsByKey[metric.key] ?? 0,
+          render: (record) => getTime(record[metric.key] ?? 0),
+        } as DataTableColumn<any>
+      } else {
+        return {
+          accessor: metric.key,
+          title: metric.title,
+          width: 140,
+          sortable: true,
+          footer: totalsByKey[metric.key] ?? 0,
+        } as DataTableColumn<any>
+      }
     })
     return [
       {