del useless code

Signed-off-by: xushuai <xushvai@gmail.com>
add SetNormalLogName func

Signed-off-by: xushuai <xushvai@gmail.com>
add Lock and Unlock func

Signed-off-by: xushuai <xushvai@gmail.com>
some chang

Signed-off-by: xushuai <xushvai@gmail.com>
add logic: create path if the log path not exist

Signed-off-by: xushuai <xushvai@gmail.com>
add WriteContent func

Signed-off-by: xushuai <xushvai@gmail.com>
add struct LogTime

Signed-off-by: xushuai <xushvai@gmail.com>