diff --git a/im-center-server/src/main/java/cn/axzo/im/group/message/GroupMessageSyncService.java b/im-center-server/src/main/java/cn/axzo/im/group/message/GroupMessageSyncService.java
index 888f316..64a5b49 100644
--- a/im-center-server/src/main/java/cn/axzo/im/group/message/GroupMessageSyncService.java
+++ b/im-center-server/src/main/java/cn/axzo/im/group/message/GroupMessageSyncService.java
@@ -70,7 +70,7 @@ public class GroupMessageSyncService {
         for (List<Group> groups : cursor) {
             for (Group group : groups) {
                 controller.submitGroup(group);
-                executor.execute(new GroupMessageSyncer(this, controller, group) {
+                executor.execute(new GroupMessageSyncHandler(this, controller, group) {
                     @Override
                     public void run() {
                         try {