[help wanted] timeout

[heiheshang]

application crashes due
{{badarg,[{emqtt,'-timeout_calls/3-fun-0-',4,[{file,"/_build/default/lib/emqtt/src/emqtt.erl"},{line,1131}]},{lists,foldl,3,[{file,"lists.erl"},{line,1263}]},{emqtt,connected,3,[{file,"/_build/default/lib/emqtt/src/emqtt.erl"},{line,935}]},{gen_statem,call_state_function,5,[{file,"gen_statem.erl"},{line,1660}]},{gen_statem,loop_event_state_function,6,[{file,"gen_statem.erl"},{line,1023}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,249}]}]},{gen_statem,call,[<0.480.0>,ping,infinity]}}

[wwhai]

application crashes due
{{badarg,[{emqtt,'-timeout_calls/3-fun-0-',4,[{file,"/_build/default/lib/emqtt/src/emqtt.erl"},{line,1131}]},{lists,foldl,3,[{file,"lists.erl"},{line,1263}]},{emqtt,connected,3,[{file,"/_build/default/lib/emqtt/src/emqtt.erl"},{line,935}]},{gen_statem,call_state_function,5,[{file,"gen_statem.erl"},{line,1660}]},{gen_statem,loop_event_state_function,6,[{file,"gen_statem.erl"},{line,1023}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,249}]}]},{gen_statem,call,[<0.480.0>,ping,infinity]}}

Can show your code where have error?