diff --git a/frontend/src/utils/dateUtils.ts b/frontend/src/utils/dateUtils.ts
new file mode 100644
index 0000000..5a84e01
--- /dev/null
+++ b/frontend/src/utils/dateUtils.ts
@@ -0,0 +1,61 @@
+/**
+ * 获取今天是星期几
+ * @returns {number} 返回数字的星期几 (0-6, 0表示星期日)
+ */
+export function getTodayWeekday(): number {
+  const today = new Date()
+  return today.getDay()
+}
+
+/**
+ * 获取指定日期是星期几
+ * @param {Date} utcDate UTC时间
+ * @returns {number} 返回数字的星期几 (0-6, 0表示星期日)
+ */
+export function getWeekday(utcDate: Date): number {
+  const today = new Date(utcDate.getTime() + 4 * 3600000)
+  return today.getDay()
+}
+
+/**
+ * 获取东12区当前时间
+ * @returns {Date} 返回东12区当前时间的Date对象
+ */
+export function _getEastTwelveZoneTime(): Date {
+  const now = new Date()
+  // 获取UTC时间，然后加上12小时
+  const utcTime = now.getTime() + now.getTimezoneOffset() * 60000
+  return new Date(utcTime + 4 * 3600000)
+}
+
+/**
+ * 获取东12区今天是星期几
+ * @returns {number} 返回数字的星期几 (0-6, 0表示星期日)
+ */
+export function getTodayWeekdayEast12(): number {
+  const east12Time = _getEastTwelveZoneTime()
+  return east12Time.getDay()
+}
+
+/**
+ * 获取东12区指定UTC时间对应的星期几
+ * @param {Date} utcDate UTC时间
+ * @returns {number} 返回数字的星期几 (0-6, 0表示星期日)
+ */
+export function getWeekdayEast12(utcDate: Date): number {
+  const east12Time = new Date(utcDate.getTime() + 4 * 3600000)
+  return east12Time.getDay()
+}
+
+/**
+ * 将数字的星期几转换为中文
+ * @param {number} weekday 数字的星期几 (0-6, 0表示星期日)
+ * @returns {string} 返回中文的星期几
+ */
+export function getChineseDateString(weekday: number): string {
+  const weekdays = ['星期日', '星期一', '星期二', '星期三', '星期四', '星期五', '星期六']
+  if (weekday < 0 || weekday > 6) {
+    throw new Error('weekday must be between 0 and 6')
+  }
+  return weekdays[weekday]
+}
diff --git a/frontend/src/views/MAAUserEdit.vue b/frontend/src/views/MAAUserEdit.vue
index c6d8235..72f48dd 100644
--- a/frontend/src/views/MAAUserEdit.vue
+++ b/frontend/src/views/MAAUserEdit.vue
@@ -1012,6 +1012,7 @@ import { usePlanApi } from '@/composables/usePlanApi'
 import { useWebSocket } from '@/composables/useWebSocket'
 import { Service } from '@/api'
 import { GetStageIn } from '@/api/models/GetStageIn'
+import { getTodayWeekdayEast12 } from '@/utils/dateUtils'
 
 const router = useRouter()
 const route = useRoute()
@@ -1191,21 +1192,14 @@ const getPlanCurrentConfig = (planData: any) => {
   if (mode === 'ALL') {
     return planData.ALL || null
   } else if (mode === 'Weekly') {
-    // 获取+12时区的当前时间
-    const now = new Date()
-    const utc12Time = new Date(now.getTime() + 12 * 60 * 60 * 1000)
-
-    // 如果是凌晨4点前，算作前一天
-    if (utc12Time.getHours() < 4) {
-      utc12Time.setDate(utc12Time.getDate() - 1)
-    }
+    // 使用dateUtils工具直接获取+12时区的今天是星期几（已经是数字0-6）
+    const todayWeekday = getTodayWeekdayEast12()
 
     const weekdays = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']
-    const today = weekdays[utc12Time.getDay()]
+    const today = weekdays[todayWeekday]
 
     console.log('计划表周模式调试:', {
-      原始时间: now.toISOString(),
-      UTC12时间: utc12Time.toISOString(),
+      东12区星期几: todayWeekday,
       星期: today,
       计划数据: planData,
     })