diff --git a/apps/iot/src/iot_host.erl b/apps/iot/src/iot_host.erl
index 14df359..20dcea5 100644
--- a/apps/iot/src/iot_host.erl
+++ b/apps/iot/src/iot_host.erl
@@ -230,17 +230,21 @@ handle_call({publish_message, _, _, _}, _From, State) ->
     {reply, {error, <<"主机状态错误，发送命令失败"/utf8>>}, State};
 
 %% 关闭授权
-handle_call({activate, Auth}, _From, State = #state{uuid = UUID, host_id = HostId, has_session = false}) ->
+handle_call({activate, Auth}, _From, State = #state{uuid = UUID, host_id = HostId, monitor_ref = MRef, channel_pid = ChannelPid, has_session = false}) ->
     case Auth of
         true ->
             ok;
         false ->
+            %% channel也是要删除的
+            is_reference(MRef) andalso erlang:demonitor(MRef),
+            is_pid(ChannelPid) andalso ws_channel:stop(ChannelPid, closed),
+
             {ok, _} = host_bo:change_status(UUID, ?HOST_OFFLINE),
             report_event(UUID, ?HOST_OFFLINE),
 
             change_devices_status(HostId, ?DEVICE_UNKNOWN)
     end,
-    {reply, ok, State};
+    {reply, ok, State#state{monitor_ref = undefined, channel_pid = undefined}};
 
 handle_call({activate, Auth}, _From, State = #state{host_id = HostId, uuid = UUID, monitor_ref = MRef, channel_pid = ChannelPid, has_session = true}) ->
     case Auth of