fixed bug

src/main/java/com/qkdata/biz/web/service/UserCenterService.java

@@ -82,7 +82,7 @@ public class UserCenterService {
                 }
             }else if (course.getChargeModel() == CourseChargeModelEnum.PAY){
                 UserCourseAuthPO authPO = userCourseAuthService.getOne(Wrappers.<UserCourseAuthPO>lambdaQuery().eq(UserCourseAuthPO::getUserId,userId).eq(UserCourseAuthPO::getCourseId,courseId));
-                if (authPO == null{
+                if (authPO == null){
                     throw new BusinessException("当前课程为付费课程，请购买后再观看");
                 }
                 LocalDateTime now = LocalDateTime.now();