diff --git a/apps/dgiot/src/transport/dgiot_mqtt.erl b/apps/dgiot/src/transport/dgiot_mqtt.erl
index 870f34ad..5a6c913f 100644
--- a/apps/dgiot/src/transport/dgiot_mqtt.erl
+++ b/apps/dgiot/src/transport/dgiot_mqtt.erl
@@ -48,6 +48,7 @@
     , get_message/2
     , subopts/0
     , subscribe_route_key/3
+    , unsubscribe_route_key/1
 ]).
 
 init_ets() ->
@@ -72,6 +73,20 @@ subscribe_route_key(DeviceList, SessionToken, Route) ->
                 end, [], DeviceList),
     dgiot_data:insert(?DGIOT_ROUTE_KEY, {SessionToken, TopicKey}, DeviceList).
 
+
+unsubscribe_route_key(SessionToken) ->
+    TopicKey = devicestate,
+    case dgiot_data:get(?DGIOT_ROUTE_KEY, {SessionToken, TopicKey}) of
+        not_find ->
+            pass;
+        OldTopic ->
+            lists:foldl(fun(X, _Acc) ->
+                Topic = <<"$dg/user/devicestate/", X/binary, "/report">>,
+                dgiot_mqtt:unsubscribe(SessionToken, Topic)
+                        end, [], OldTopic)
+    end,
+    dgiot_data:delete(?DGIOT_ROUTE_KEY, {SessionToken, TopicKey}).
+
 has_routes(Topic) ->
     emqx_router:has_routes(Topic).
 
diff --git a/apps/dgiot_parse/src/dgiot_parse_auth.erl b/apps/dgiot_parse/src/dgiot_parse_auth.erl
index 66a65e71..479c4785 100644
--- a/apps/dgiot_parse/src/dgiot_parse_auth.erl
+++ b/apps/dgiot_parse/src/dgiot_parse_auth.erl
@@ -48,7 +48,7 @@
 -export([create_user/2, delete_user/2, put_user/2, disableusere/3, check_roles/1]).
 -export([login_by_account/2, login_by_token/2, login_by_mail_phone/1, do_login/1]).
 -export([create_user_for_app/1, get_token/1, set_cookies/3, add_acl/5]).
--export([get_usersession/1, put_usersession/1]).
+-export([get_usersession/1, put_usersession/1,del_usersession/1]).
 
 
 init_ets() ->
@@ -62,6 +62,20 @@ put_usersession(SessionMap) ->
     User_session = maps:get(Depart_token, SessionMap),
     dgiot_data:insert(?DGIOT_USERSESSION, {Depart_token}, User_session).
 
+del_usersession(User_session)->
+    Fun = fun
+              ({Key, Value}) ->
+                  case Value of
+                      User_session ->
+                          dgiot_data:delete(?DGIOT_USERSESSION, Key);
+                      _->
+                          pass
+                  end ;
+              (_) ->
+                  pass
+          end,
+    dgiot_data:loop(?DGIOT_USERSESSION, Fun).
+
 
 
 %% 登录
diff --git a/apps/dgiot_parse/src/handler/dgiot_user_handler.erl b/apps/dgiot_parse/src/handler/dgiot_user_handler.erl
index d889bf7f..285bde8e 100644
--- a/apps/dgiot_parse/src/handler/dgiot_user_handler.erl
+++ b/apps/dgiot_parse/src/handler/dgiot_user_handler.erl
@@ -206,7 +206,9 @@ do_request(post_login, #{<<"username">> := UserName, <<"password">> := Password}
 do_request(post_logout,  #{<<"sessionToken">> := SessionToken}, _Context, _Req) ->
     dgiot_auth:delete_session(SessionToken),
     SessionId = dgiot_parse_id:get_sessionId(SessionToken),
-    dgiot_parse:del_object(<<"_Session">>, SessionId);
+    dgiot_parse:del_object(<<"_Session">>, SessionId),
+    dgiot_mqtt:unsubscribe_route_key(SessionToken),
+    dgiot_parse_auth:del_usersession(SessionToken);
 
 %% RoleUser 概要: 导库 描述:json文件导库
 %% OperationId:get_roleuser