解决mybatis 不支持乐观锁

mec-biz/src/main/java/com/ym/mec/biz/service/impl/MusicGroupSubjectPlanServiceImpl.java

@@ -135,7 +135,7 @@ public class MusicGroupSubjectPlanServiceImpl extends BaseServiceImpl<Integer, M
                 break;
             }
         }
-        if (flag == false) {
+        if (!flag) {
             throw new BizException("系统繁忙，请重试");
         }
     }