Merge remote-tracking branch 'origin/master'

cooleshow-user/user-biz/src/main/java/com/yonge/cooleshow/biz/dal/service/impl/CourseScheduleServiceImpl.java

@@ -1051,7 +1051,7 @@ public class CourseScheduleServiceImpl extends ServiceImpl<CourseScheduleDao, Co
 
         RLock lock = redissonClient.getLock("teacherId:" + scheduleDto.getTeacherId());
         try {
-            if (lock.tryLock(0, 60, TimeUnit.SECONDS)) {
+            if (lock.tryLock(5, 60, TimeUnit.SECONDS)) {
                 return buyPracticeCourseTran(orderReqInfo);
             }
         } catch (InterruptedException e) {