diff --git a/src/backend/rumBkdFile.erl b/src/backend/rumBkdFile.erl
index a2ec615..7b0bfaa 100644
--- a/src/backend/rumBkdFile.erl
+++ b/src/backend/rumBkdFile.erl
@@ -302,7 +302,6 @@ validate_loglevel(Level) ->
 checkOpts([], IsFile) ->
    ?IIF(IsFile, true, {error, no_file_name});
 checkOpts([{file, _File} | Tail], _IsFile) ->
-   %% is there any reasonable validation we can do here?
    checkOpts(Tail, true);
 checkOpts([{level, Level} | Tail], IsFile) ->
    ?IIF(validate_loglevel(Level), checkOpts(Tail, IsFile), ({error, {invalid_log_level, Level}}));
@@ -315,17 +314,14 @@ checkOpts([{rotator, Rotator} | Tail], IsFile) when is_atom(Rotator) ->
 checkOpts([{high_water_mark, HighWaterMark} | Tail], IsFile) when is_integer(HighWaterMark), HighWaterMark >= 0 ->
    checkOpts(Tail, IsFile);
 checkOpts([{date, _Date} | Tail], IsFile) ->
-   %% IMY-todo 使用前需要转换一下 rumUtil:parseRotateSpec(_Date)
    checkOpts(Tail, IsFile);
 checkOpts([{sync_interval, SyncInt} | Tail], IsFile) when is_integer(SyncInt), SyncInt >= 0 ->
    checkOpts(Tail, IsFile);
 checkOpts([{sync_size, SyncSize} | Tail], IsFile) when is_integer(SyncSize), SyncSize >= 0 ->
    checkOpts(Tail, IsFile);
 checkOpts([{check_interval, CheckInt} | Tail], IsFile) when is_integer(CheckInt), CheckInt >= 0; CheckInt == always ->
-   %% IMY-todo 使用前转换一下  always ->{check_interval, 0};
    checkOpts(Tail, IsFile);
 checkOpts([{sync_on, _Level} | Tail], IsFile) ->
-   %% IMY-todo 使用前转换一下  validate_loglevel(Level)
    checkOpts(Tail, IsFile);
 checkOpts([{formatter, Fmt} | Tail], IsFile) when is_atom(Fmt) ->
    checkOpts(Tail, IsFile);