|  | @@ -1051,7 +1051,7 @@ public class CourseScheduleServiceImpl extends ServiceImpl<CourseScheduleDao, Co
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				|  |  |  
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				|  |  |          RLock lock = redissonClient.getLock("teacherId:" + scheduleDto.getTeacherId());
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				|  |  |          try {
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				|  |  | -            if (lock.tryLock(5, 60, TimeUnit.SECONDS)) {
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				|  |  | +            if (lock.tryLock(10, 60, TimeUnit.SECONDS)) {
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				|  |  |                  return buyPracticeCourseTran(orderReqInfo);
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				|  |  |              }
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				|  |  |          } catch (InterruptedException e) {
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