diff --git a/apps/emqx_gateway/src/coap/emqx_coap_channel.erl b/apps/emqx_gateway/src/coap/emqx_coap_channel.erl
index 0d35716b4..c75eda47c 100644
--- a/apps/emqx_gateway/src/coap/emqx_coap_channel.erl
+++ b/apps/emqx_gateway/src/coap/emqx_coap_channel.erl
@@ -246,7 +246,7 @@ handle_call({subscribe, Topic, SubOpts}, _From,
                   [ClientInfo, MountedTopic, NSubOpts]),
     %% modifty session state
     SubReq = {Topic, Token},
-    TempMsg = #coap_message{},
+    TempMsg = #coap_message{type = non},
     Result  = emqx_coap_session:process_subscribe(
                 SubReq, TempMsg, #{}, Session),
     NSession = maps:get(session, Result),
@@ -265,7 +265,7 @@ handle_call({unsubscribe, Topic}, _From,
 
     %% modifty session state
     UnSubReq = Topic,
-    TempMsg = #coap_message{},
+    TempMsg = #coap_message{type = non},
     Result  = emqx_coap_session:process_subscribe(
                 UnSubReq, TempMsg, #{}, Session),
     NSession = maps:get(session, Result),
diff --git a/apps/emqx_gateway/src/emqx_gateway_conf.erl b/apps/emqx_gateway/src/emqx_gateway_conf.erl
index b25bc4aba..987c9720b 100644
--- a/apps/emqx_gateway/src/emqx_gateway_conf.erl
+++ b/apps/emqx_gateway/src/emqx_gateway_conf.erl
@@ -272,7 +272,7 @@ ret_gw(GwName, {ok, #{raw_config := GwConf}}) ->
                 lists:map(fun({LName, LConf}) ->
                     do_convert_listener2(GwName, LType, LName, LConf)
                 end, maps:to_list(SubConf)),
-            [NLConfs|Acc]
+            [NLConfs | Acc]
         end, [], maps:to_list(LsConf)),
     {ok, maps:merge(GwConf1, #{<<"listeners">> => NLsConf})};
 ret_gw(_GwName, Err) -> Err.