diff --git a/apps/iot/src/iot_api.erl b/apps/iot/src/iot_api.erl
index 0383f5f..a5fed49 100644
--- a/apps/iot/src/iot_api.erl
+++ b/apps/iot/src/iot_api.erl
@@ -106,11 +106,11 @@ handle_cast({ai_event, Id}, State = #state{}) ->
     {stop, Reason :: term(), NewState :: #state{}}).
 %% Task进程挂掉
 handle_info({'DOWN', _MRef, process, _Pid, normal}, State) ->
-    {keep_state, State};
+    {noreply, State};
 
 handle_info({'DOWN', _MRef, process, _Pid, Reason}, State) ->
     lager:notice("[iot_api] task process down with reason: ~p", [Reason]),
-    {keep_state, State};
+    {noreply, State};
 
 handle_info(_Info, State = #state{}) ->
     {noreply, State}.