clear

ibznotify-core/src/main/java/cn/ibizlab/core/extensions/service/NotifyCoreService.java

@@ -672,6 +672,7 @@ public class NotifyCoreService {
      */
     @Scheduled(fixedRate = 300000)
     public synchronized void getBacklogPageContent() {
+        msgMap.clear();
         MsgBodySearchContext context = new MsgBodySearchContext();
         context.setSize(Integer.MAX_VALUE);