diff --git a/modules/data/tools/smart_recorder/proto/smart_recorder_triggers.proto b/modules/data/tools/smart_recorder/proto/smart_recorder_triggers.proto
index f1fcefbd0008e5d31d8e631e5811c1af35f4d7f9..a165073f3bbf252f53ace78e574c436f18ee4761 100644
--- a/modules/data/tools/smart_recorder/proto/smart_recorder_triggers.proto
+++ b/modules/data/tools/smart_recorder/proto/smart_recorder_triggers.proto
@@ -3,9 +3,9 @@ syntax = "proto2";
 package apollo.data;
 
 message RecordSegmentSetting {
-  // Segmentation of restored records in size or time, default is by size 200MB
-  optional int32 size_segment = 1 [default = 200];
-  optional int32 time_segment = 2;
+  // Segmentation of restored records in size or time
+  optional int32 size_segment = 1 [default = 500];
+  optional int32 time_segment = 2 [default = 180];
 }
 
 message Trigger {
diff --git a/modules/data/tools/smart_recorder/realtime_record_processor.cc b/modules/data/tools/smart_recorder/realtime_record_processor.cc
index f424c0a8fba26fe1ec7d53c85f710afb23bdad8d..24dae35388261765600a2f39c2dd24b9b2c7a21a 100644
--- a/modules/data/tools/smart_recorder/realtime_record_processor.cc
+++ b/modules/data/tools/smart_recorder/realtime_record_processor.cc
@@ -42,14 +42,14 @@ namespace {
 
 using apollo::common::Header;
 using apollo::common::util::StrCat;
-using cyber::CreateNode;
 using cyber::common::EnsureDirectory;
 using cyber::common::GetFileName;
 using cyber::common::PathExists;
+using cyber::CreateNode;
 using cyber::record::HeaderBuilder;
 using cyber::record::Recorder;
-using cyber::record::RecordFileReader;
 using cyber::record::RecordMessage;
+using cyber::record::RecordFileReader;
 using cyber::record::RecordReader;
 using cyber::record::RecordViewer;
 
@@ -202,7 +202,7 @@ void RealtimeRecordProcessor::PublishStatus(const RecordingState state,
 }
 
 bool RealtimeRecordProcessor::GetNextValidRecord(
-    std::string* record_path) const {
+    std::string* const record_path) const {
   *record_path = StrCat(source_record_dir_, "/", default_output_filename_, ".",
                         GetNextRecordFileName(*record_path));
   while (!is_terminating_ && !IsRecordValid(*record_path)) {
@@ -223,12 +223,13 @@ void RealtimeRecordProcessor::RestoreMessage(const uint64_t message_time) {
   const uint64_t target_end = std::max(
       interval.end_time,
       message_time - static_cast<uint64_t>(max_backward_time_ * 1000000000UL));
-  if (target_end <=
-      restore_reader_time_ +
-          static_cast<uint64_t>(min_restore_chunk_ * 1000000000UL)) {
+  const bool small_channels_only = restore_reader_time_ >= interval.end_time;
+  if (small_channels_only &&
+      target_end <=
+          restore_reader_time_ +
+              static_cast<uint64_t>(min_restore_chunk_ * 1000000000UL)) {
     return;
   }
-  const bool small_channels_only = interval.end_time == 0;
   do {
     if (!IsRecordValid(restore_path_)) {
       AWARN << "invalid restore path " << restore_path_ << ", exit";
diff --git a/modules/data/tools/smart_recorder/record_processor.cc b/modules/data/tools/smart_recorder/record_processor.cc
index e102105feaebe4af62921648b62e2fd840488d1b..93b91e77e3f9ce7367655fe2e2b967ce0975cb84 100644
--- a/modules/data/tools/smart_recorder/record_processor.cc
+++ b/modules/data/tools/smart_recorder/record_processor.cc
@@ -54,9 +54,9 @@ bool RecordProcessor::Init(const SmartRecordTrigger& trigger_conf) {
   // Init writer
   writer_.reset(new RecordWriter());
   writer_->SetIntervalOfFileSegmentation(
-      trigger_conf.segment_setting().size_segment() * 1024UL);
+      trigger_conf.segment_setting().time_segment());
   writer_->SetSizeOfFileSegmentation(
-      trigger_conf.segment_setting().time_segment() * 1000000000UL);
+      trigger_conf.segment_setting().size_segment() * 1024UL);
   const std::string output_file = GetDefaultOutputFile();
   AINFO << "output file path: " << output_file;
   if (!writer_->Open(output_file)) {