问题修改

ln_jq_app/lib/pages/c_page/reservation/controller.dart

@@ -344,7 +344,7 @@ class C_ReservationController extends GetxController with BaseControllerMixin {
       return;
     }*/
 
-    final reservationEndDateTime = DateTime(
+    DateTime reservationEndDateTime = DateTime(
       selectedDate.value.year,
       selectedDate.value.month,
       selectedDate.value.day,
@@ -352,7 +352,13 @@ class C_ReservationController extends GetxController with BaseControllerMixin {
       endTime.value.minute,
     );
 
-    //判断预约区间的结束时间是否早于当前时间（留出1分钟缓冲）
+    // 如果结束的小时数小于开始的小时数，或者结束时间是 00:00，说明是次日
+    if (endTime.value.hour < startTime.value.hour ||
+        (endTime.value.hour == 0 && endTime.value.minute == 0)) {
+      reservationEndDateTime = reservationEndDateTime.add(const Duration(days: 1));
+    }
+
+    // 执行时间检查
     if (reservationEndDateTime.isBefore(
       DateTime.now().subtract(const Duration(minutes: 1)),
     )) {