diff --git a/src/eRum_sup.erl b/src/eRum_sup.erl
index a4f3532..ea3837d 100644
--- a/src/eRum_sup.erl
+++ b/src/eRum_sup.erl
@@ -36,7 +36,7 @@ init(_Args) ->
    %% set up the config, is safe even during relups
    %% IMY-TODO 修改配置文件相关时这要删除掉
    rumConfig:init(),
-   %%始终将lager_event作为默认值启动，并确保可以根据需要启动其他gen_event东西也许是一个用于处理接收器及其策略的新API？
+   %%始终将runEvent作为默认值启动，并确保可以根据需要启动其他gen_event东西也许是一个用于处理接收器及其策略的新API？
    SupFlags =
       #{
          strategy => one_for_one,
@@ -62,31 +62,27 @@ init(_Args) ->
       modules => [rumHWatcherSup]
    },
 
-   CrashLogSpec = crashLogSpec(rumUtil:get_env(crashLogFile, false)),
-
    ChildSpecs =
-      case CrashLogSpec of
-         undefined ->
+      case rumUtil:get_env(crashLogFile, false) of
+         false ->
             [RumEventSpec, RumHWatcherSupSpec];
-         _ ->
+         File ->
+            MsgMaxBytes = rumUtil:get_env(crashLogMsgSize, 65536),
+            RotationSize = rumUtil:get_env(crashLogFileSize, 0),
+            RotationCount = rumUtil:get_env(crashLogCount, 0),
+            RotationDate = rumUtil:get_env(crashLogDate, "$D0"),
+            RotationMod = rumUtil:get_env(crashLogRotator, rumRotatorIns),
+            CrashLogSpec = #{
+               id => rumCrashLog,
+               start => {rumCrashLog, start_link, [File, MsgMaxBytes, RotationSize, RotationDate, RotationCount, RotationMod]},
+               restart => permanent,
+               shutdown => 5000,
+               type => worker,
+               modules => [rumCrashLog]
+            },
             [RumEventSpec, RumHWatcherSupSpec, CrashLogSpec]
       end,
+
    {ok, {SupFlags, ChildSpecs}}.
 
-crashLogSpec(false) ->
-   undefined;
-crashLogSpec(File) ->
-   MsgMaxBytes = rumUtil:get_env(crashLogMsgSize, 65536),
-   RotationSize = rumUtil:get_env(crashLogFileSize, 0),
-   RotationCount = rumUtil:get_env(crashLogCount, 0),
-   RotationDate = rumUtil:get_env(crashLogDate, "$D0"),
-   RotationMod = rumUtil:get_env(crashLogRotator, rumRotatorExm),
-   #{
-      id => rumCrashLog,
-      start => {rumCrashLog, start_link, [File, MsgMaxBytes, RotationSize, RotationDate, RotationCount, RotationMod]},
-      restart => permanent,
-      shutdown => 5000,
-      type => worker,
-      modules => [rumCrashLog]
-   }.