fix: 修复设备数限制

wfc-modules/wfc-user/src/main/java/org/wfc/user/service/impl/UClientServiceImpl.java

@@ -103,7 +103,7 @@ public class UClientServiceImpl extends ServiceImpl<UClientMapper, UClient> impl
                     clientVo.setActivity(clientInfo.getActivity());
                     clientVo.setTrafficDown(clientInfo.getTrafficDown());
                     clientVo.setTrafficUp(clientInfo.getTrafficUp());
-                    clientVo.setUpTime(clientInfo.getActivity());
+                    clientVo.setUpTime(clientInfo.getUptime());
                     clientVo.setSiteId(siteId);
                     clientVos.add(clientVo);
                     i++;