diff --git a/example/src/split_log.rs b/example/src/split_log.rs
index a29559a..2a1383b 100644
--- a/example/src/split_log.rs
+++ b/example/src/split_log.rs
@@ -1,13 +1,13 @@
 use fast_log::config::Config;
 use fast_log::consts::LogSize;
-use fast_log::plugin::file_split::{PackType, KeepType};
+use fast_log::plugin::file_split::{PackType, KeepType, HowPack};
 use fast_log::plugin::packer::LogPacker;
 
 fn main() {
     //file_path also can use '"target/logs/test.log"'
     fast_log::init(Config::new().chan_len(Some(100000)).console().file_split(
         "target/logs/",
-        PackType::BySize(LogSize::KB(500)),
+        HowPack::new(PackType::BySize(LogSize::KB(500))),
         KeepType::KeepNum(2),
         LogPacker {},
     ))
diff --git a/example/src/split_log_gz.rs b/example/src/split_log_gz.rs
index f978a47..41c12ef 100644
--- a/example/src/split_log_gz.rs
+++ b/example/src/split_log_gz.rs
@@ -1,12 +1,12 @@
 use fast_log::config::Config;
 use fast_log::consts::LogSize;
-use fast_log::plugin::file_split::{PackType, KeepType};
+use fast_log::plugin::file_split::{PackType, KeepType, HowPack};
 use fast_log::plugin::packer::GZipPacker;
 
 fn main() {
     fast_log::init(Config::new().chan_len(Some(100000)).console().file_split(
         "target/logs/",
-        PackType::BySize(LogSize::KB(50)),
+        HowPack::new(PackType::BySize(LogSize::KB(50))),
         KeepType::KeepNum(5),
         GZipPacker {},
     ))
diff --git a/example/src/split_log_lz4.rs b/example/src/split_log_lz4.rs
index 6b09dc8..d008521 100644
--- a/example/src/split_log_lz4.rs
+++ b/example/src/split_log_lz4.rs
@@ -1,12 +1,12 @@
 use fast_log::config::Config;
 use fast_log::consts::LogSize;
-use fast_log::plugin::file_split::{PackType, KeepType};
+use fast_log::plugin::file_split::{PackType, KeepType, HowPack};
 use fast_log::plugin::packer::LZ4Packer;
 
 fn main() {
     fast_log::init(Config::new().chan_len(Some(100000)).console().file_split(
         "target/logs/",
-        PackType::BySize(LogSize::KB(50)),
+        HowPack::new(PackType::BySize(LogSize::KB(50))),
         KeepType::KeepNum(5),
         LZ4Packer {},
     ))
diff --git a/example/src/split_log_zip.rs b/example/src/split_log_zip.rs
index d37b34a..450e1b1 100644
--- a/example/src/split_log_zip.rs
+++ b/example/src/split_log_zip.rs
@@ -1,5 +1,5 @@
 use fast_log::consts::LogSize;
-use fast_log::plugin::file_split::{PackType, KeepType};
+use fast_log::plugin::file_split::{PackType, KeepType, HowPack};
 use fast_log::plugin::packer::ZipPacker;
 
 use fast_log::config::Config;
@@ -7,7 +7,7 @@ use fast_log::config::Config;
 fn main() {
     fast_log::init(Config::new().chan_len(Some(100000)).console().file_split(
         "target/logs/",
-        PackType::BySize(LogSize::KB(50)),
+        HowPack::new(PackType::BySize(LogSize::KB(50))),
         KeepType::KeepNum(5),
         ZipPacker {},
     ))
diff --git a/src/plugin/file_split.rs b/src/plugin/file_split.rs
index 45792c0..c69ff2a 100644
--- a/src/plugin/file_split.rs
+++ b/src/plugin/file_split.rs
@@ -257,7 +257,7 @@ impl CanPack for HowPack {
             PackType::BySize(limit) => {
                 if temp_size >= limit.get_len() {
                     let log_name = {
-                        let last_time = DateTime::now();
+                        let last_time = DateTime::from_system_time(last_time, fastdate::offset_sec());
                         if let Some(idx) = temp_name.rfind(".") {
                             let suffix = &temp_name[idx..];
                             temp_name.replace(suffix, &last_time.format(&format!("YYYY-MM-DDThh-mm-ss.000000{}", suffix)))