diff --git a/test/ping3.erl b/test/ping3.erl
new file mode 100644
index 0000000..a6a6553
--- /dev/null
+++ b/test/ping3.erl
@@ -0,0 +1,46 @@
+-module(ping3).
+
+-compile([export_all, nowarn_export_all]).
+
+call(N) ->
+   {ok, Pid} = pong3:start(),
+   StartTime = erlang:system_time(nanosecond),
+   doCall(N, Pid, StartTime).
+
+doCall(0, Pid, StartTime) ->
+   EndTime = erlang:system_time(nanosecond),
+   exit(Pid, kill),
+   io:format("call3 over use time: ~p ns~n", [EndTime - StartTime]);
+doCall(N, Pid, StartTime) ->
+   gen_apu:call(Pid, ping),
+   doCall(N - 1, Pid, StartTime).
+
+send(N) ->
+   {ok, Pid} = pong3:start(),
+   StartTime = erlang:system_time(nanosecond),
+   doSend(N, Pid, StartTime).
+
+doSend(0, Pid, StartTime) ->
+   % Ret = gen_apu:call(Pid, ping),
+   Ret = 1,
+   EndTime = erlang:system_time(nanosecond),
+   exit(Pid, kill),
+   io:format("send2 over use time: ~p ~p ns~n", [Ret, EndTime - StartTime]);
+doSend(N, Pid, StartTime) ->
+   gen_apu:send(Pid, ping),
+   doSend(N - 1, Pid, StartTime).
+
+cast(N) ->
+   {ok, Pid} = pong3:start(),
+   StartTime = erlang:system_time(nanosecond),
+   doCast(N, Pid, StartTime).
+
+doCast(0, Pid, StartTime) ->
+   %Ret = gen_apu:call(Pid, ping),
+   Ret = 1,
+   EndTime = erlang:system_time(nanosecond),
+   exit(Pid, kill),
+   io:format("cast3 over use time: ~p ~p ns~n", [Ret, EndTime - StartTime]);
+doCast(N, Pid, StartTime) ->
+   gen_apu:cast(Pid, ping2),
+   doCast(N - 1, Pid, StartTime).
diff --git a/test/pong2.erl b/test/pong2.erl
index 1e13b3c..a77788e 100644
--- a/test/pong2.erl
+++ b/test/pong2.erl
@@ -13,8 +13,8 @@ init(_Args) ->
 handleCall(ping, _State, _From) ->
    {reply, pong}.
 
-handleCast(_Msg, State) ->
-   {noreply, State}.
+handleCast(_Msg, _State) ->
+   kpS.
 
-handleInfo(_Msg, State) ->
-   {noreply, State}.
\ No newline at end of file
+handleInfo(_Msg, _State) ->
+   kpS.
\ No newline at end of file
diff --git a/test/pong3.erl b/test/pong3.erl
new file mode 100644
index 0000000..d598193
--- /dev/null
+++ b/test/pong3.erl
@@ -0,0 +1,17 @@
+-module(pong3).
+
+-behavior(gen_apu).
+
+-compile([export_all, nowarn_export_all]).
+
+start() ->
+   gen_apu:start(?MODULE, 0, []).
+
+init(_Args) ->
+   {ok, 0}.
+
+ping(_State, _From) ->
+   {reply, pong}.
+
+ping2(_State) ->
+   kpS.
\ No newline at end of file