diff --git a/apps/iot/src/http_handler/http_host_handler.erl b/apps/iot/src/http_handler/http_host_handler.erl
index 411f179..2ea3246 100644
--- a/apps/iot/src/http_handler/http_host_handler.erl
+++ b/apps/iot/src/http_handler/http_host_handler.erl
@@ -112,7 +112,8 @@ handle_request("POST", "/host/activate", _, #{<<"uuid">> := UUID, <<"auth">> :=
             lager:debug("[host_handler] activate host_id: ~p, failed with reason: ~p", [UUID, Reason]),
             {ok, 200, iot_util:json_error(400, <<"host not found">>)};
         {ok, Pid} when is_pid(Pid) ->
-            case iot_host:has_session(Pid) of
+            %% 激活的话不管是否存在会话都需要通知
+            case iot_host:has_session(Pid) or Auth of
                 true ->
                     lager:debug("[host_handler] activate host_id: ~p, start", [UUID]),
                     {ok, Assoc} = iot_host:make_assoc(Pid),
diff --git a/docs/host-mqtt-jiaohu.md b/docs/host-mqtt-jiaohu.md
index d7261b6..e939b6a 100644
--- a/docs/host-mqtt-jiaohu.md
+++ b/docs/host-mqtt-jiaohu.md
@@ -110,7 +110,6 @@ t = 8
 [
 	{
 		"service_name": "从该设备端的哪个服务采集的数据",
-		"node_name": "节点名称", insert到influxdb的时候就是表名
 		"at": int, 精确到毫秒
 		// 该微服务采集的数据，是一个包含map的列表类型，map的内容可以由微服务自己指定
 		// 目前一般的格式是"metric-name": $value样式的数据