默认时间段修改

src/views/businessData/overview.vue

@@ -228,13 +228,11 @@ function setService(d: ServiceQualityData | undefined) {
 
 const toDateString = (d: Date) => d.toISOString().slice(0, 10);
 
-/** 默认日期区间：本周一到当天 */
+/** 默认日期区间：共 7 天（当天 -6 天到当天，含当天） */
 function initDateRange() {
   const end = new Date();
   const start = new Date(end);
-  const day = start.getDay();
-  const daysToMonday = day === 0 ? 6 : day - 1;
-  start.setDate(start.getDate() - daysToMonday);
+  start.setDate(start.getDate() - 6);
   start.setHours(0, 0, 0, 0);
   dateRange.value = [toDateString(start), toDateString(end)];
 }