feat:更新日程页面主题色

lib/pages/calendar_page.dart

@@ -30,8 +30,8 @@ class CalendarPageState extends State<CalendarPage> {
   }
 
   @override
-  void initState() {
-    super.initState();
+  void didChangeDependencies() {
+    super.didChangeDependencies();
     refreshAppointments();
   }
 
@@ -45,7 +45,7 @@ class CalendarPageState extends State<CalendarPage> {
                 startTime: calendar.startTime!,
                 endTime: calendar.endTime!,
                 subject: calendar.title,
-                color: Colors.blue,
+                color: Theme.of(context).colorScheme.primary,
               ),
             )
             .toList();