diff --git a/apps/iot/src/endpoint/iot_zd_endpoint.erl b/apps/iot/src/endpoint/iot_zd_endpoint.erl
index 3be3bda..a14ba81 100644
--- a/apps/iot/src/endpoint/iot_zd_endpoint.erl
+++ b/apps/iot/src/endpoint/iot_zd_endpoint.erl
@@ -123,7 +123,6 @@ handle_event(info, fetch_next, connected, State = #state{is_busy = true}) ->
 handle_event(info, fetch_next, connected, State = #state{postman_pid = PostmanPid, iot_queue = Q}) ->
     case iot_queue:out(Q) of
         {{value, Body}, Q1} ->
-            lager:debug("[iot_zd_endpoint] fetch_next success, north data is: ~p", [Body]),
             PostmanPid ! {post, self(), Body},
             TimerRef = erlang:start_timer(?RETRY_INTERVAL, self(), {repost_ticker, Body}),