基金净值缓存刷新触发job频率改为30分钟一次

src/main/java/com/tanpu/fund/job/FundNavCacheJob.java

@@ -30,7 +30,7 @@ public class FundNavCacheJob {
     @Value("${tanpu.fund.nav.cache.invoke.repeat:10}")
     private int repeat;
 
-    @Scheduled(cron = "10 1 * * * ?")
+    @Scheduled(cron = "10 1/30 * * * ?")
     public void execute() {
         long start = System.currentTimeMillis();
         String sign = DateUtils.format(DateUtils.nowDate()).replace(" ", "");