feat(REQ-3300) - 完善群解散功能和日志打印

visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/service/impl/ChangeRecordServiceImpl.java

@@ -646,6 +646,7 @@ public class ChangeRecordServiceImpl extends ServiceImpl<ChangeRecordDao, Change
                 IM_GROUP_BIZ_INFO_INITIATOR_WORKSPACE_ID, req.getRelationWorkspaceId(),
                 IM_GROUP_BIZ_INFO_VISA_TYPE, req.getType().name()));
         GroupCreateResponse imGroup = msgCenterGateway.createImGroup(request);
+        AssertUtil.notNull(imGroup, "IM 群创建失败");
 
         updateImInfo(visaId, imGroup);
         // 更新主表状态