修复了课表周数硬编码

src/screens/schedule/ScheduleScreen.tsx

@@ -30,6 +30,7 @@ import {
   TimeSlot,
   getCourseColor,
   hasCourseInWeek,
+  getCurrentWeek,
 } from '../../types/schedule';
 import type { ScheduleStackParamList } from '../../navigation/types';
 import { scheduleService } from '../../services/scheduleService';
@@ -130,9 +131,17 @@ const getWeekDates = (weekOffset: number = 0) => {
   return getWeekInfo(weekOffset).dates;
 };
 
+// 学期起始日期字符串（用于 getCurrentWeek 函数）
+const SEMESTER_START_DATE = '2026-03-09';
+
+// 计算当前实际周数
+const getInitialWeek = (): number => {
+  return getCurrentWeek(SEMESTER_START_DATE, TOTAL_WEEKS);
+};
+
 export const ScheduleScreen: React.FC = () => {
   const navigation = useNavigation<NativeStackNavigationProp<ScheduleStackParamList>>();
-  const [currentWeek, setCurrentWeek] = useState(1);
+  const [currentWeek, setCurrentWeek] = useState(getInitialWeek);
   const [courses, setCourses] = useState<Course[]>([]);
   const [isAddModalVisible, setIsAddModalVisible] = useState(false);
   const [pendingDay, setPendingDay] = useState<number>(0);
@@ -163,8 +172,10 @@ export const ScheduleScreen: React.FC = () => {
     };
   }, []);
   const todayColumnIndex = getTodayColumnIndex();
-  // currentWeek === 1 对应今天所在的真实周（offset 0），其他周不高亮今日列
-  const isViewingCurrentWeek = currentWeek === 1;
+  // 获取当前实际周数，用于判断是否在查看当前周
+  const actualCurrentWeek = getInitialWeek();
+  // 只有在查看当前实际周时才高亮今日列
+  const isViewingCurrentWeek = currentWeek === actualCurrentWeek;
   const activeTodayColumn = isViewingCurrentWeek ? todayColumnIndex : -1;
 
   const dayColumnWidth = getDayColumnWidth();