diff --git a/README.md b/README.md
index ebd4028..f42c632 100644
--- a/README.md
+++ b/README.md
@@ -109,22 +109,21 @@ below). If async values are not configured, no overload protection will be appli
 
 ```erlang
 [{eRum, [
-   {logRoot, "/tmp"},
-   %% Default handlers for lager/lager_event
-   {handlers, [
-      {lager_console_backend, [{level, info}]},
-      {lager_file_backend, [{file, "error.log"}, {level, error}]},
-      {lager_file_backend, [{file, "console.log"}, {level, info}]}
-   ]},
-   
-   %% Any other sinks
-   {extraSinks, [
-      {audit_lager_event,
-      [{handlers, [{lager_file_backend, [{file, "sink1.log"}, {level, info}]}]},
-      {asyncThreshold, 500},
-      {asyncThrWindow, 50}]
-      }]}
-   ]}].
+{logRoot, "/tmp"},
+%% Default handlers for lager/lager_event
+{handlers, [
+{lager_console_backend, [{level, info}]},
+{lager_file_backend, [{file, "error.log"}, {level, error}]},
+{lager_file_backend, [{file, "console.log"}, {level, info}]}
+]},
+
+%% Any other sinks
+{extraSinks, [
+{audit_lager_event,[{handlers, [{lager_file_backend, [{file, "sink1.log"}, {level, info}]}]}, {asyncThreshold, 500}, {asyncThrWindow, 50}]}
+
+]}
+
+]}].
 ```
 
 自定义格式
diff --git a/eRum.sample.config b/eRum.sample.config
index 531cea5..a19d213 100644
--- a/eRum.sample.config
+++ b/eRum.sample.config
@@ -15,9 +15,13 @@
          {emergency, <<"\e[1;41m">>}
       ]},
 
-      %% ********************************************  format相关  ******************************************************
-      {metadataWhitelist, []},
-      {rPrettyStrace, true},
+      %%***********************************************  handler与接收器(sink) and traces  ******************************
+      %% 消息处理模块可以存在多个,[{Name, [Optins]}]=Handler() {lager_file_backend, [{file, "console.log"}, {level, info}]} 消息处理模块可以存在多个
+      {handlers, []},
+      %% 额外的接收器列表 [{handler, [Handler()]}]
+      {extraSinks, []},
+      %% traces列表 [{handler, [Handler()]}]
+      {traces, []},
 
       %%*********************************************** 异步日志相关  *****************************************************
       %% 异步切换到同步时模式gen_emm邮箱的最大消息数,此值仅应用于默认接收器; 额外的接收器也可以自己配置。
@@ -27,13 +31,18 @@
       %% 此值仅适用于默认接收器。额外的接收器需要选项中配置。
       {asyncThrWindow, undefined},
 
-      %%***********************************************  handler与接收器(sink) and traces  ******************************
-      %% 消息处理模块可以存在多个,[{Name, [Optins]}]=Handler() {lager_file_backend, [{file, "console.log"}, {level, info}]} 消息处理模块可以存在多个
-      {handlers, []},
-      %% 额外的接收器列表 [{handler, [Handler()]}]
-      {extraSinks, []},
-      %% traces列表 [{handler, [Handler()]}]
-      {traces, []},
+      %% **********************************************  killer相关  ****************************************************
+      %% 如果接收器的邮箱大小超过1000条消息，请杀死整个接收器并在5000毫秒后重新加载它。如果需要，此行为也可以安装到其他接收器中。
+      {killerHwm, 1000},
+      %% 参见killer_hwm
+      {killerReTime, 5000},
+
+
+      %% ********************************************  format相关  ******************************************************
+      %% 元数据名单列表
+      {metadataWhitelist, []},
+      %% 是否美化堆栈
+      {rPrettyStrace, true},
 
       %% **********************************************  日志文件配置相关  ************************************************
       %% 可选的日志路径， 默认情况下是当前路径
@@ -54,6 +63,7 @@
       %% 崩溃日志旋转器模块-默认为lager_rotator_default
       {crashLogRotator, rumRotatorIns},
 
+
       %% **********************************************  error_logger相关  **********************************************
       %% 是否将error_logger消息重定向到默认的lager_event接收器-默认为true
       {errLoggerRedirect, true},
@@ -63,24 +73,18 @@
       {errLoggerHwm, undefined},
       %% errLogger group leader策略 handle | ignore | mirror
       {errLoggerGLS, handle},
+      %%是否禁止 disable reformatting for OTP and Cowboy messages
       {errLoggerFormatRaw, false},
-
       %% 超过高水位标记时，可以将啤酒配置为刷新消息队列中的所有事件通知
       {errLoggerFlushQueue, true},
       %% 如果flush_queue为true，则可以设置消息队列长度阈值，在该阈值处将开始丢弃消息。默认阈值为0，这意味着如果flush_queue为true，
-      %% 则超过高水位标记时将丢弃消息，而不管消息队列的长度如何。用于控制阈值的选项是error_logger：
+      %% 则超过高水位标记时将丢弃消息，而不管消息队列的长度如何。
       {errLoggerFlushThr, 20},
 
-      %% **********************************************  killer相关  ****************************************************
-      %% 如果接收器的邮箱大小超过1000条消息，请杀死整个接收器并在5000毫秒后重新加载它。如果需要，此行为也可以安装到其他水槽中。
-      {killerHwm, 1000},
-      %% 参见killer_hwm
-      {killerReTime, 5000},
-
       %% **********************************************  app启动停止监听相关  *********************************************
-      %% 如果您不想在应用程序的调试级别看到主管和应用程序启动/停止日志，则可以使用以下配置将其关闭：
-      {suppressAppStartStop, true},
-      {suppressSupStartStop, true}
+      %% 是否不在应用程序的调试级别看到主管和应用程序启动/停止日志
+      {suppressAppStartStop, false},
+      {suppressSupStartStop, false}
    ]}
 ].
 
diff --git a/src/errLogger/rumErrLoggerH.erl b/src/errLogger/rumErrLoggerH.erl
index 795bd5c..d5a278a 100644
--- a/src/errLogger/rumErrLoggerH.erl
+++ b/src/errLogger/rumErrLoggerH.erl
@@ -66,7 +66,7 @@ setHighWater(N) ->
 -spec init(any()) -> {ok, #state{}}.
 init([HighWaterMark, GlStrategy]) ->
    Flush = rumUtil:get_env(errLoggerFlushQueue, true),
-   FlushThr = rumUtil:get_env(errLoggerFlushThr, 0),
+   FlushThr = rumUtil:get_env(errLoggerFlushThr, 20),
    Shaper = #rumShaper{hwm = HighWaterMark, flushQueue = Flush, flushThr = FlushThr, filter = shaperFun(), id = ?MODULE},
    Raw = rumUtil:get_env(errLoggerFormatRaw, false),
    Sink = configSink(),
@@ -335,8 +335,7 @@ logEvent(Event, #state{sink = Sink, raw = FormatRaw} = State) ->
                         no_log;
                      _ ->
                         {Md, Formatted} = formatReasonMd(Reason),
-                        ?LOGFMT(Sink, info, [{pid, Pid} | Md], "Application ~w exited with reason: ~s",
-                           [App, Formatted])
+                        ?LOGFMT(Sink, info, [{pid, Pid} | Md], "Application ~w exited with reason: ~s", [App, Formatted])
                   end;
                _ ->
                   ?LOGMSG(Sink, info, Pid, printSillyList(D))
@@ -351,8 +350,7 @@ logEvent(Event, #state{sink = Sink, raw = FormatRaw} = State) ->
                      true ->
                         no_log;
                      _ ->
-                        ?LOGFMT(Sink, info, P, "Application ~w started on node ~w",
-                           [App, Node])
+                        ?LOGFMT(Sink, info, P, "Application ~w started on node ~w", [App, Node])
                   end;
                [{started, Started}, {supervisor, Name}] ->
                   case rumUtil:get_env(suppressSupStartStop, false) of
diff --git a/src/utils/rumUtil.erl b/src/utils/rumUtil.erl
index 6d5dec8..140676b 100644
--- a/src/utils/rumUtil.erl
+++ b/src/utils/rumUtil.erl
@@ -527,7 +527,7 @@ checkHwm(Shaper = #rumShaper{filter = Filter}, Event) ->
    end.
 
 %% 日志速率限制S i.e. 即传入消息的高水位标记
-checkHwm(#rumShaper{id = Id, hwm = Hwm, mps = Mps, lastTime = LastTime, dropped = Drop, flushQueue = FlushQueue, flushThr = FlushThreshold, timer = Timer, filter = Filter} = Shaper) ->
+checkHwm(#rumShaper{id = Id, hwm = Hwm, mps = Mps, lastTime = LastTime, dropped = Drop, flushQueue = FlushQueue, flushThr = FlushThr, timer = Timer, filter = Filter} = Shaper) ->
    if
       Hwm == undefined ->
          {true, 0, Shaper};
@@ -548,7 +548,7 @@ checkHwm(#rumShaper{id = Id, hwm = Hwm, mps = Mps, lastTime = LastTime, dropped
          case LastTime == NowTime of
             true ->
                %% still in same second, but have exceeded the high water mark
-               NewDrops = ?IIF(isNeedFlush(FlushQueue, FlushThreshold), dropMsg(NowTime, Filter, 0), 0),
+               NewDrops = ?IIF(isNeedFlush(FlushQueue, FlushThr), dropMsg(NowTime, Filter, 0), 0),
                NewTimer = ?IIF(erlang:read_timer(Timer) =/= false, Timer, erlang:send_after(1000 - PastMs, self(), {mShaperExpired, Id})),
                {false, 0, Shaper#rumShaper{dropped = Drop + NewDrops + 1, timer = NewTimer}};
             _ ->