修改定时器频率

src/main/java/org/jebot/scheduled/MchScheduled.java

@@ -58,7 +58,7 @@ public class MchScheduled {
     @Resource
     private BotAccountBookRepository botAccountBookRepository;
 
-    @Scheduled(cron = "*/30 * * * * *")
+    @Scheduled(cron = "0 30 * * * ?")
     public void insufficientBalanceWarning() {
         log.info("定时任务开始执行");
         // 定时任务逻辑