diff --git a/apps/iot/src/iot_host.erl b/apps/iot/src/iot_host.erl
index a519935..5cb0581 100644
--- a/apps/iot/src/iot_host.erl
+++ b/apps/iot/src/iot_host.erl
@@ -135,6 +135,8 @@ start_link(Name, UUID) when is_atom(Name), is_binary(UUID) ->
 %% gen_statem:start_link/[3,4], this function is called by the new
 %% process to initialize.
 init([UUID]) ->
+    erlang:process_flag(trap_exit, true),
+
     %% 重启时，认为主机是离线状态; 等待主机主动建立连接
     {ok, _} = host_bo:change_status(UUID, ?HOST_OFFLINE),