diff --git a/src/service/wechatwork.service.ts b/src/service/wechatwork.service.ts
index 8ae9909..cb54b26 100644
--- a/src/service/wechatwork.service.ts
+++ b/src/service/wechatwork.service.ts
@@ -5,6 +5,7 @@ import os from 'os'
 import path from 'path'
 import { RedisClient } from 'redis/RedisClient'
 import { excelToJson } from 'utils/excel.util'
+import { timeBeforeDay } from 'utils/time.util'
 
 // 1-审批中；2-已通过；3-已驳回；4-已撤销；6-通过后撤销；7-已删除；10-已支付
 export enum TaskStatus {
@@ -334,14 +335,14 @@ export class WechatWorkService {
   public async queryTasks() {
     const url = `${WX_API_HOST}/cgi-bin/oa/getapprovalinfo`
     const access_token = await this.getAccessToken()
-    let starttime = this.timePre
-    if (!this.timePre) {
-      let timeStr = await new RedisClient().get('qywx_time_cache')
-      if (timeStr) {
-        starttime = parseInt(timeStr)
-      }
-    }
-    starttime = starttime || 1681401600
+    let starttime = (timeBeforeDay(7) / 1000) | 0
+    // if (!this.timePre) {
+    //   let timeStr = await new RedisClient().get('qywx_time_cache')
+    //   if (timeStr) {
+    //     starttime = parseInt(timeStr)
+    //   }
+    // }
+    // starttime = starttime || 1683614900
     let endtime = (Date.now() / 1000) | 0
     let config: AxiosRequestConfig = {
       method: 'post',
diff --git a/src/utils/time.util.ts b/src/utils/time.util.ts
new file mode 100644
index 0000000..734d196
--- /dev/null
+++ b/src/utils/time.util.ts
@@ -0,0 +1,68 @@
+export const ONE_DAY_MILLISECOND = 1000 * 3600 * 24
+/**
+ * 获取n天前的time
+ * @param {number} day
+ * @return {number}
+ */
+export function timeBeforeDay(day: number): number {
+  let time = Date.now()
+  return time - day * ONE_DAY_MILLISECOND
+}
+
+//间隔天数
+export function calcBetweenDays(time1: number, time2: number) {
+  let v1 = Math.floor(time1 / ONE_DAY_MILLISECOND)
+  let v2 = Math.floor(time2 / ONE_DAY_MILLISECOND)
+  return Math.abs(v1 - v2)
+}
+
+/**
+ * 判断是否是今天
+ * @param {number} time
+ * @return {boolean}
+ */
+export function isToday(time: number) {
+  return new Date().toDateString() === new Date(time).toDateString()
+}
+
+/**
+ * 今天开始的时间
+ * @return {number}
+ */
+export function todayStart() {
+  return new Date(new Date().toLocaleDateString()).getTime()
+}
+
+/**
+ * 今天结束的时间
+ * @return {number}
+ */
+export function todayEnd() {
+  return todayStart() + ONE_DAY_MILLISECOND - 1
+}
+
+/**
+ * 获取本周第一天和最后一天(周一开始)
+ * @return {{startDay: string, endDay: string}}
+ */
+export function getThisWeekData() {
+  return weekData(0)
+}
+
+/**
+ * 获取前后n周的周一和周日的日期
+ * @param {number} n  0为当前周, 1为下一周, -1为上周
+ * @return {{startDay: string, endDay: string}}
+ */
+export function weekData(n: number) {
+  const weekData = { startDay: '', endDay: '' }
+  const date = new Date()
+  // 上周一的日期
+  date.setDate(date.getDate() + 7 * n - date.getDay() + 1)
+  weekData.startDay = date.getFullYear() + '-' + (date.getMonth() + 1) + '-' + date.getDate()
+
+  // 上周日的日期
+  date.setDate(date.getDate() + 6)
+  weekData.endDay = date.getFullYear() + '-' + (date.getMonth() + 1) + '-' + date.getDate()
+  return weekData
+}