diff --git a/package.json b/package.json
index 238a356..2461d78 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
     "axios": "^1.7.3",
     "cnjm-postcss-px-to-viewport": "^1.0.1",
     "countup.js": "^2.8.2",
+    "dayjs": "^1.11.13",
     "echarts": "^5.6.0",
     "gsap": "^3.12.5",
     "jsdom": "^24.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d0861ca..25d0cb7 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -29,6 +29,9 @@ importers:
       countup.js:
         specifier: ^2.8.2
         version: 2.8.2
+      dayjs:
+        specifier: ^1.11.13
+        version: 1.11.13
       echarts:
         specifier: ^5.6.0
         version: 5.6.0
@@ -2068,6 +2071,9 @@ packages:
   date-fns@3.6.0:
     resolution: {integrity: sha512-fRHTG8g/Gif+kSh50gaGEdToemgfj74aRX3swtiouboip5JDLAyDE9F11nHMIcvOaXeOC6D7SpNhi7uFyB7Uww==}
 
+  dayjs@1.11.13:
+    resolution: {integrity: sha512-oaMBel6gjolK862uaPQOVTA7q3TZhuSvuMQAAglQDOWYO9A91IrAOUJEyKVlqJlHE0vq5p5UXxzdPfMH/x6xNg==}
+
   debug@4.3.6:
     resolution: {integrity: sha512-O/09Bd4Z1fBrU4VzkhFqVgpPzaGbw6Sm9FEkBT1A/YBXQFGuuSxa1dN2nxgxS34JmKXqYx8CZAwEVoJFImUXIg==}
     engines: {node: '>=6.0'}
@@ -6478,6 +6484,8 @@ snapshots:
 
   date-fns@3.6.0: {}
 
+  dayjs@1.11.13: {}
+
   debug@4.3.6:
     dependencies:
       ms: 2.1.2
diff --git a/src/store/stock-quote/index.js b/src/store/stock-quote/index.js
index 8a332b3..ea2434b 100644
--- a/src/store/stock-quote/index.js
+++ b/src/store/stock-quote/index.js
@@ -1,6 +1,9 @@
 import { ref } from 'vue'
 import { createGlobalState, useLocalStorage } from '@vueuse/core'
 import axios from 'axios'
+import dayjs from 'dayjs'
+import utc from 'dayjs/plugin/utc'
+import timezone from 'dayjs/plugin/timezone'
 
 export const useStockQuote = createGlobalState(() => {
   const stockQuote = useLocalStorage('stockQuote', {
@@ -14,47 +17,43 @@ export const useStockQuote = createGlobalState(() => {
       ""
     ]
   })
+  const date = new Date();
+const options = {
+  year: 'numeric',
+  month: 'short',
+  day: 'numeric',
+  hour: 'numeric',
+  minute: '2-digit',
+  hour12: true,
+  timeZone: 'America/New_York',
+  timeZoneName: 'short'
+};
 
-  // 计算美东时间的当前时间
-  function getTargetFridayTime() {
-    // 当前美东时间
-    const now = new Date(new Date().toLocaleString('en-US', { timeZone: 'America/New_York' }))
-    // 获取今天是周几（0=周日, 1=周一, ..., 5=周五, 6=周六）
-    const day = now.getDay()
-    // 计算本周五的日期
-    const diffToFriday = 5 - day
-    const thisFriday = new Date(now)
-    thisFriday.setDate(now.getDate() + diffToFriday)
-    thisFriday.setHours(16, 0, 0, 0) // 设置为16:00:00
+dayjs.extend(utc)
+dayjs.extend(timezone)
 
-    if (now >= thisFriday) {
-      // 当前时间在本周五16:00及以后，显示本周五16:00
-      return thisFriday
-    } else {
-      // 当前时间早于本周五16:00，显示上周五16:00
-      const lastFriday = new Date(thisFriday)
-      lastFriday.setDate(thisFriday.getDate() - 7)
-      return lastFriday
-    }
+const getFormattedFriday = () => {
+  const now = dayjs().tz('America/New_York')
+  // 本周五16:00
+  const thisFriday = now.day() >= 5
+    ? now.day(5).hour(16).minute(0).second(0).millisecond(0)
+    : now.day(5 - 7).hour(16).minute(0).second(0).millisecond(0)
+  // 判断当前是否已到本周五16:00
+  let showFriday
+  if (now.isAfter(thisFriday)) {
+    showFriday = thisFriday
+  } else {
+    // 上周五16:00
+    showFriday = thisFriday.subtract(7, 'day')
   }
+  return showFriday.format('MMM D, YYYY, h:mm A [EDT]')
+}
 
-  const options = {
-    year: 'numeric',
-    month: 'short',
-    day: 'numeric',
-    hour: 'numeric',
-    minute: '2-digit',
-    hour12: true,
-    timeZone: 'America/New_York',
-    timeZoneName: 'short'
-  };
-
-  const formatted = ref(getTargetFridayTime().toLocaleString('en-US', options))
-
-  const getStockQuate= async()=>{
+const formatted = ref(getFormattedFriday())
+const getStockQuate= async()=>{
     const res = await axios.get('https://saas-test.szjixun.cn/api/chart/forward/test')
     stockQuote.value=res.data
-  }
+}
   return {
     formatted,
     getStockQuate,