[fix] 空指针修复

src/main/java/vion/service/impl/monitor/AgentServiceImpl.java

@@ -384,6 +384,7 @@ public class AgentServiceImpl extends MPJBaseServiceImpl<AgentMapper, Agent> imp
 
         List<MAccount> insAccList = new ArrayList<>();
         List<MAccount> updAccList = new ArrayList<>();
+        // fixme 时区更新，同步更新指标并下发
         accountList.forEach(a -> {
             if (uid2AccMap.containsKey(a.getUid())) {
                 var acc = uid2AccMap.get(a.getUid());
@@ -523,6 +524,9 @@ public class AgentServiceImpl extends MPJBaseServiceImpl<AgentMapper, Agent> imp
         var accUid2EventMap = accEventList.stream().collect(Collectors.groupingBy(RAccountEvent::getAccountUid));
         insMallList.forEach(m -> {
             var eventList = accUid2EventMap.get(m.getAccountUid());
+            if (CollUtil.isEmpty(eventList)) {
+                return;
+            }
             var timeZone = m.getTimeZone();
             var offsetMinute = TimeZoneUtil.getOffsetMinute(timeZone);