kylin

```error {emqx_extension_hook, {bad_return, {{emqx_extension_hook_app,start,[normal,[]]}, {'EXIT', {{badmatch,{error,unknown_return_format}}, [{emqx_extension_hook_app,load_all_drivers,1, [{file, "d:/a/emqx-rel/emqx-rel/_build/emqx/lib/emqx_extension_hook/src/emqx_extension_hook_app.erl"}, {line,66}]}, {emqx_extension_hook_app,start,2, [{file, "d:/a/emqx-rel/emqx-rel/_build/emqx/lib/emqx_extension_hook/src/emqx_extension_hook_app.erl"}, {line,38}]}, {application_master,start_it_old,4, [{file,"application_master.erl"},{line,277}]}]}}}}} ```


催更