fix: 修复多触发器空指针异常

@@ -122,6 +122,9 @@ class ReactState {
             matched = false;
             for (TriggerDTO trigger : triggers) {
                 TriggerState triggerState = getOrCreateTriggerState(trigger, deviceId);
+                if(triggerState == null){
+                    continue;
+                }
                 matched = triggerState.process(ctx, msg);
                 if (matched) {
                     detail.append(triggerState.getAlarmDetails());