diff --git a/mindinsight/datavisual/data_transform/data_manager.py b/mindinsight/datavisual/data_transform/data_manager.py
index ee0cd04c14c8c4501e92d2239f538900d95dd90f..e0f7d42bf2a4699914da5f4f0a81341f594d0def 100644
--- a/mindinsight/datavisual/data_transform/data_manager.py
+++ b/mindinsight/datavisual/data_transform/data_manager.py
@@ -72,7 +72,7 @@ class _BasicTrainJob:
         self._update_time = update_time
 
     @property
-    def summary_dir(self):
+    def abs_summary_dir(self):
         """Get summary directory path."""
         return self._abs_summary_dir
 
@@ -131,9 +131,9 @@ class CachedTrainJob:
         return self._last_access_time
 
     @property
-    def summary_dir(self):
+    def abs_summary_dir(self):
         """Get summary directory path."""
-        return self._basic_info.summary_dir
+        return self._basic_info.abs_summary_dir
 
     @property
     def summary_base_dir(self):
@@ -144,12 +144,33 @@ class CachedTrainJob:
         """Set value to cache."""
         self._content[key] = value
 
-    def get(self, key):
-        """Get value from cache."""
+    def delete(self, key):
+        """Delete key in cache."""
+        if key in self._content:
+            self._content.pop(key)
+
+    def get(self, key, raise_exception=True):
+        """
+        Get value from cache.
+
+        Args:
+            key (str): Key of content.
+            raise_exception (bool): If the key does not exist and
+                raise_exception is True, it will raise an Exception.
+
+        Returns:
+            Union[Object, None], Return value if key in content,
+                return False else if raise_exception is False.
+        Raises:
+            ParamValueError, if the key does not exist and raise_exception is True.
+
+        """
         try:
             return self._content[key]
         except KeyError:
-            raise ParamValueError("Invalid cache key({}).".format(key))
+            if raise_exception:
+                raise ParamValueError("Invalid cache key({}).".format(key))
+            return None
 
     @property
     def basic_info(self):
@@ -163,9 +184,7 @@ class CachedTrainJob:
 
     def lock_key(self, key):
         """Threading lock with given key."""
-        if key not in self._key_locks:
-            self._key_locks[key] = threading.Lock()
-        return self._key_locks[key]
+        return self._key_locks.setdefault(key, threading.Lock())
 
 
 class TrainJob:
diff --git a/mindinsight/lineagemgr/api/model.py b/mindinsight/lineagemgr/api/model.py
index 5ab05191883ebd46481b65a251e72536c017a708..f64c4b26b11359f1e5ea021502fb60ec543261d7 100644
--- a/mindinsight/lineagemgr/api/model.py
+++ b/mindinsight/lineagemgr/api/model.py
@@ -96,11 +96,8 @@ def general_get_summary_lineage(data_manager=None, summary_dir=None, keys=None):
 
     if data_manager is None:
         normalize_summary_dir(summary_dir)
-
-    super_lineage_obj = None
-    if os.path.isabs(summary_dir):
         super_lineage_obj = LineageParser(summary_dir).super_lineage_obj
-    elif data_manager is not None:
+    else:
         validate_train_id(summary_dir)
         super_lineage_obj = LineageOrganizer(data_manager=data_manager).get_super_lineage_obj(summary_dir)
 
diff --git a/mindinsight/lineagemgr/cache_item_updater.py b/mindinsight/lineagemgr/cache_item_updater.py
index abcea1a8221a2b5e13c21db5b159aa576e55996a..63e506fc5347b78593c300d9efc52b06d0f0d09c 100644
--- a/mindinsight/lineagemgr/cache_item_updater.py
+++ b/mindinsight/lineagemgr/cache_item_updater.py
@@ -27,15 +27,19 @@ def update_lineage_object(data_manager, train_id, added_info: dict):
     """Update lineage objects about tag and remark."""
     validate_train_id(train_id)
     cache_item = data_manager.get_brief_train_job(train_id)
-    cached_added_info = cache_item.get(key=LINEAGE).added_info
+    lineage_item = cache_item.get(key=LINEAGE, raise_exception=False)
+    if lineage_item is None:
+        logger.warning("Cannot update the lineage for tran job %s, because it does not exist.", train_id)
+        raise ParamValueError("Cannot update the lineage for tran job %s, because it does not exist." % train_id)
+
+    cached_added_info = lineage_item.super_lineage_obj.added_info
     new_added_info = dict(cached_added_info)
 
     for key, value in added_info.items():
-        if key in ["tag", "remark"]:
-            new_added_info.update({key: value})
+        new_added_info.update({key: value})
 
     with cache_item.lock_key(LINEAGE):
-        cache_item.get(key=LINEAGE).added_info = new_added_info
+        cache_item.get(key=LINEAGE).super_lineage_obj.added_info = new_added_info
 
 
 class LineageCacheItemUpdater(BaseCacheItemUpdater):
@@ -44,8 +48,7 @@ class LineageCacheItemUpdater(BaseCacheItemUpdater):
     def update_item(self, cache_item: CachedTrainJob):
         """Update cache item in place."""
         summary_base_dir = cache_item.summary_base_dir
-        summary_dir = cache_item.summary_dir
-        update_time = cache_item.basic_info.update_time
+        summary_dir = cache_item.abs_summary_dir
 
         # The summary_base_dir and summary_dir have been normalized in data_manager.
         if summary_base_dir == summary_dir:
@@ -54,17 +57,31 @@ class LineageCacheItemUpdater(BaseCacheItemUpdater):
             relative_path = f'./{os.path.basename(summary_dir)}'
 
         try:
-            cached_added_info = cache_item.get(key=LINEAGE).added_info
-        except ParamValueError:
-            cached_added_info = None
-        try:
-            lineage_parser = LineageParser(summary_dir, update_time, cached_added_info)
-            super_lineage_obj = lineage_parser.super_lineage_obj
+            lineage_parser = self._lineage_parsing(cache_item)
         except LineageFileNotFoundError:
-            super_lineage_obj = None
+            with cache_item.lock_key(LINEAGE):
+                cache_item.delete(key=LINEAGE)
+            return
 
+        super_lineage_obj = lineage_parser.super_lineage_obj
         if super_lineage_obj is None:
             logger.warning("There is no lineage to update in tran job %s.", relative_path)
             return
-        with cache_item.lock_key(LINEAGE):
-            cache_item.set(key=LINEAGE, value=super_lineage_obj)
+
+        cache_item.set(key=LINEAGE, value=lineage_parser)
+
+    def _lineage_parsing(self, cache_item):
+        """Parse summaries and return lineage parser."""
+        summary_dir = cache_item.abs_summary_dir
+        update_time = cache_item.basic_info.update_time
+
+        cached_lineage_item = cache_item.get(key=LINEAGE, raise_exception=False)
+        if cached_lineage_item is None:
+            lineage_parser = LineageParser(summary_dir, update_time)
+        else:
+            lineage_parser = cached_lineage_item
+            with cache_item.lock_key(LINEAGE):
+                lineage_parser.update_time = update_time
+                lineage_parser.load()
+
+        return lineage_parser
diff --git a/mindinsight/lineagemgr/common/path_parser.py b/mindinsight/lineagemgr/common/path_parser.py
index 3d96b9dddf424cff1e99ac42dd553ed42ce28b7d..ec730aac610f8222a6882f991fd2b0ef501d7c3b 100644
--- a/mindinsight/lineagemgr/common/path_parser.py
+++ b/mindinsight/lineagemgr/common/path_parser.py
@@ -13,9 +13,10 @@
 # limitations under the License.
 # ============================================================================
 """This file provides path resolution."""
-import os
-
 from mindinsight.datavisual.data_transform.summary_watcher import SummaryWatcher
+from mindinsight.lineagemgr.common.log import logger
+from mindinsight.lineagemgr.common.utils import get_timestamp
+from mindinsight.utils.exceptions import MindInsightException
 
 
 class SummaryPathParser:
@@ -29,121 +30,36 @@ class SummaryPathParser:
     _LINEAGE_SUMMARY_SUFFIX_LEN = len(LINEAGE_SUMMARY_SUFFIX)
 
     @staticmethod
-    def get_summary_dirs(summary_base_dir):
-        """
-        Get summary dirs according to summary base dir.
-
-        Args:
-            summary_base_dir (str): Summary base dir.
-
-        Returns:
-            list[str], all summary dirs in summary base dir. The summary dir is
-            absolute path.
-        """
-        summary_watcher = SummaryWatcher()
-        relative_dirs = summary_watcher.list_summary_directories(
-            summary_base_dir=summary_base_dir
-        )
-        summary_dirs = list(
-            map(
-                lambda item: os.path.realpath(
-                    os.path.join(summary_base_dir, item.get('relative_path'))
-                ),
-                relative_dirs
-            )
-        )
-        return summary_dirs
-
-    @staticmethod
-    def get_latest_lineage_summary(summary_dir):
+    def get_lineage_summaries(summary_dir, is_sorted=False, reverse=True):
         """
-        Get latest lineage summary log path according to summary dir.
+        Get lineage summaries according to summary dir.
 
         Args:
             summary_dir (str): Summary dir.
+            is_sorted (bool): If it is True, files will be sorted.
+            reverse (bool): If it is True, sort by timestamp increments and filename decrement.
 
         Returns:
-            Union[str, None], if the lineage summary log exist, return the path,
-            else return None. The lineage summary log path is absolute path.
-        """
-        summary_watcher = SummaryWatcher()
-        summaries = summary_watcher.list_summaries(summary_base_dir=summary_dir)
-        latest_file_name = SummaryPathParser._get_latest_lineage_file(summaries)
-        return os.path.join(summary_dir, latest_file_name) \
-            if latest_file_name is not None else None
-
-    @staticmethod
-    def get_latest_lineage_summaries(summary_base_dir):
-        """
-        Get all latest lineage summary logs in summary base dir.
-
-        Args:
-            summary_base_dir (str): Summary base dir.
-
-        Returns:
-            list[str], all latest lineage summary logs in summary base dir. The
-            lineage summary log is absolute path.
-        """
-        summary_watcher = SummaryWatcher()
-        relative_dirs = summary_watcher.list_summary_directories(
-            summary_base_dir=summary_base_dir
-        )
-        latest_summaries = []
-        for item in relative_dirs:
-            relative_dir = item.get('relative_path')
-            summaries = summary_watcher.list_summaries(
-                summary_base_dir=summary_base_dir,
-                relative_path=relative_dir
-            )
-            latest_file_name = SummaryPathParser._get_latest_lineage_file(
-                summaries
-            )
-            if latest_file_name is None:
-                continue
-            latest_file = os.path.realpath(
-                os.path.join(
-                    summary_base_dir,
-                    relative_dir,
-                    latest_file_name
-                )
-            )
-            latest_summaries.append(latest_file)
-        return latest_summaries
-
-    @staticmethod
-    def _get_latest_lineage_file(summaries):
-        """
-        Get latest lineage summary file.
-
-        If there is a file with the suffix `LINEAGE_SUMMARY_SUFFIX`, check
-        whether there is a file with the same name that does not include the
-        suffix `LINEAGE_SUMMARY_SUFFIX`. When both exist, the file is considered
-        to be a lineage summary log.
-
-        Args:
-            summaries (list[dict]): All summary logs info in summary dir.
-
-        Returns:
-            str, the latest lineage summary file name.
+            list, if the lineage summary log exist, return the file names, else return [].
         """
         try:
-            latest_summary = max(
-                summaries,
-                key=lambda summary: summary.get('create_time')
-            )
-        except ValueError:
-            return None
-        max_create_time = latest_summary.get('create_time')
-        summary_file_names = []
-        for summary in summaries:
-            if summary.get('create_time') == max_create_time:
-                summary_file_names.append(summary.get('file_name'))
+            summary_watcher = SummaryWatcher()
+            summaries = summary_watcher.list_summaries(summary_base_dir=summary_dir)
+        except MindInsightException as err:
+            logger.warning(str(err))
+            return []
+        summary_files = [summary.get('file_name') for summary in summaries]
+        lineage_files_name = list(filter(
+            lambda filename: (filename.endswith(SummaryPathParser.LINEAGE_SUMMARY_SUFFIX)), summary_files))
+        if is_sorted:
+            lineage_files_name = SummaryPathParser._sorted_summary_files(lineage_files_name, reverse)
+
+        return lineage_files_name
 
-        latest_lineage_name = None
-        for name in summary_file_names:
-            if not name.endswith(SummaryPathParser.LINEAGE_SUMMARY_SUFFIX):
-                continue
-            ms_name = name[:-SummaryPathParser._LINEAGE_SUMMARY_SUFFIX_LEN]
-            if ms_name in summary_file_names:
-                latest_lineage_name = name
-        return latest_lineage_name
+    @staticmethod
+    def _sorted_summary_files(summary_files, reverse):
+        """Sort by timestamp increments and filename decrement."""
+        sorted_files = sorted(summary_files,
+                              key=lambda filename: (-get_timestamp(filename), filename),
+                              reverse=reverse)
+        return sorted_files
diff --git a/mindinsight/lineagemgr/common/utils.py b/mindinsight/lineagemgr/common/utils.py
index d2462a3e931d2b8b5234e67f18ad050b55cca9bc..dd5285afa9ce3318fff68ca4a2e4d826772a803a 100644
--- a/mindinsight/lineagemgr/common/utils.py
+++ b/mindinsight/lineagemgr/common/utils.py
@@ -14,7 +14,9 @@
 # ============================================================================
 """Lineage utils."""
 from functools import wraps
+import re
 
+from mindinsight.datavisual.data_transform.summary_watcher import SummaryWatcher
 from mindinsight.lineagemgr.common.log import logger as log
 from mindinsight.lineagemgr.common.exceptions.exceptions import LineageParamRunContextError, \
     LineageGetModelFileError, LineageLogError, LineageParamValueError, LineageDirNotExistError, \
@@ -68,3 +70,9 @@ def normalize_summary_dir(summary_dir):
         log.exception(error)
         raise LineageParamSummaryPathError(str(error.message))
     return summary_dir
+
+
+def get_timestamp(filename):
+    """Get timestamp from filename."""
+    timestamp = int(re.search(SummaryWatcher().SUMMARY_FILENAME_REGEX, filename)[1])
+    return timestamp
diff --git a/mindinsight/lineagemgr/lineage_parser.py b/mindinsight/lineagemgr/lineage_parser.py
index 52e6a338aa06db28c8fee530d3d0386fefc05f16..1ae76cc72ebf2766ded93cc9aadf3a8ba727bfe9 100644
--- a/mindinsight/lineagemgr/lineage_parser.py
+++ b/mindinsight/lineagemgr/lineage_parser.py
@@ -21,6 +21,7 @@ from mindinsight.lineagemgr.common.exceptions.exceptions import LineageSummaryAn
     MindInsightException
 from mindinsight.lineagemgr.common.log import logger
 from mindinsight.lineagemgr.common.path_parser import SummaryPathParser
+from mindinsight.lineagemgr.summary.file_handler import FileHandler
 from mindinsight.lineagemgr.summary.lineage_summary_analyzer import LineageSummaryAnalyzer
 from mindinsight.lineagemgr.querier.query_model import LineageObj
 from mindinsight.utils.exceptions import ParamValueError
@@ -30,7 +31,7 @@ LINEAGE = "lineage"
 
 class SuperLineageObj:
     """This is an object for LineageObj and its additional info."""
-    def __init__(self, lineage_obj, update_time, added_info=None):
+    def __init__(self, lineage_obj: LineageObj, update_time, added_info=None):
         self._lineage_obj = lineage_obj
         self._update_time = update_time
         self._added_info = added_info if added_info is not None else dict()
@@ -59,11 +60,60 @@ class SuperLineageObj:
 class LineageParser:
     """Lineage parser."""
     def __init__(self, summary_dir, update_time=None, added_info=None):
-        self._super_lineage_obj = None
         self._summary_dir = summary_dir
-        self._update_time = update_time
+        self.update_time = update_time
         self._added_info = added_info
-        self._parse_summary_log()
+
+        self._init_variables()
+        self.load()
+
+    def _init_variables(self):
+        """Init variables."""
+        self._super_lineage_obj = None
+        self._latest_filename = None
+        self._latest_file_size = None
+        self._cached_file_list = None
+
+    def load(self):
+        """Find and load summaries."""
+        # get sorted lineage files
+        lineage_files = SummaryPathParser.get_lineage_summaries(self._summary_dir, is_sorted=True)
+        if not lineage_files:
+            logger.warning('There is no summary log file under summary_dir %s.', self._summary_dir)
+            raise LineageFileNotFoundError(
+                'There is no summary log file under summary_dir.'
+            )
+        self._init_if_files_deleted(lineage_files)
+
+        index = 0
+        if self._latest_filename is not None:
+            index = lineage_files.index(self._latest_filename)
+
+        for filename in lineage_files[index:]:
+            if filename != self._latest_filename:
+                self._latest_filename = filename
+                self._latest_file_size = 0
+
+            file_path = os.path.join(self._summary_dir, filename)
+            new_size = FileHandler(file_path).size
+            if new_size == self._latest_file_size:
+                continue
+
+            self._latest_file_size = new_size
+            self._parse_summary_log()
+
+    def _init_if_files_deleted(self, file_list):
+        """Init variables if files deleted."""
+        cached_file_list = self._cached_file_list
+        self._cached_file_list = file_list
+        if cached_file_list is None:
+            return
+
+        deleted_files = set(cached_file_list) - set(file_list)
+        if deleted_files:
+            logger.warning("There are some files has been deleted, "
+                           "all files will be reloaded in path %s.", self._summary_dir)
+            self._init_variables()
 
     def _parse_summary_log(self):
         """
@@ -72,15 +122,22 @@ class LineageParser:
         Returns:
             bool, `True` if parse summary log success, else `False`.
         """
-        file_path = SummaryPathParser.get_latest_lineage_summary(self._summary_dir)
-        if file_path is None:
-            logger.warning('There is no summary log file under summary_dir %s.', self._summary_dir)
-            raise LineageFileNotFoundError(
-                'There is no summary log file under summary_dir.'
-            )
+        file_path = os.path.realpath(os.path.join(self._summary_dir, self._latest_filename))
         try:
             lineage_info = LineageSummaryAnalyzer.get_summary_infos(file_path)
             user_defined_info = LineageSummaryAnalyzer.get_user_defined_info(file_path)
+            self._update_lineage_obj(lineage_info, user_defined_info)
+        except LineageSummaryAnalyzeException:
+            logger.warning("Parse file failed under summary_dir %s.", file_path)
+        except (LineageEventNotExistException, LineageEventFieldNotExistException) as error:
+            logger.warning("Parse file failed under summary_dir %s. Detail: %s.", file_path, str(error))
+        except MindInsightException as error:
+            logger.exception(error)
+            logger.warning("Parse file failed under summary_dir %s.", file_path)
+
+    def _update_lineage_obj(self, lineage_info, user_defined_info):
+        """Update lineage object."""
+        if self._super_lineage_obj is None:
             lineage_obj = LineageObj(
                 self._summary_dir,
                 train_lineage=lineage_info.train_lineage,
@@ -88,15 +145,14 @@ class LineageParser:
                 dataset_graph=lineage_info.dataset_graph,
                 user_defined_info=user_defined_info
             )
-            self._super_lineage_obj = SuperLineageObj(lineage_obj, self._update_time, self._added_info)
-        except (LineageSummaryAnalyzeException,
-                LineageEventNotExistException,
-                LineageEventFieldNotExistException):
-            logger.warning("Parse file failed under summary_dir %s.", self._summary_dir)
-        except MindInsightException as error:
-            logger.error(str(error))
-            logger.exception(error)
-            logger.warning("Parse file failed under summary_dir %s.", self._summary_dir)
+            self._super_lineage_obj = SuperLineageObj(lineage_obj, self.update_time, self._added_info)
+        else:
+            self._super_lineage_obj.lineage_obj.parse_and_update_lineage(
+                train_lineage=lineage_info.train_lineage,
+                evaluation_lineage=lineage_info.eval_lineage,
+                dataset_graph=lineage_info.dataset_graph,
+                user_defined_info=user_defined_info
+            )
 
     @property
     def super_lineage_obj(self):
@@ -156,7 +212,7 @@ class LineageOrganizer:
         cache_items = brief_cache.cache_items
         for relative_dir, cache_train_job in cache_items.items():
             try:
-                super_lineage_obj = cache_train_job.get("lineage")
+                super_lineage_obj = cache_train_job.get("lineage").super_lineage_obj
                 self._super_lineage_objs.update({relative_dir: super_lineage_obj})
             except ParamValueError:
                 logger.info("This is no lineage info in train job %s.", relative_dir)
diff --git a/mindinsight/lineagemgr/querier/query_model.py b/mindinsight/lineagemgr/querier/query_model.py
index 36509bd80937542ef63e907ff7384d2f3aad744b..7f4fb1c2c3143416ca0221a091bad4ff2b4e65aa 100644
--- a/mindinsight/lineagemgr/querier/query_model.py
+++ b/mindinsight/lineagemgr/querier/query_model.py
@@ -82,6 +82,30 @@ class LineageObj:
         self._lineage_info = {
             self._name_summary_dir: summary_dir
         }
+        self._filtration_result = None
+        self._init_lineage()
+        self.parse_and_update_lineage(**kwargs)
+
+    def _init_lineage(self):
+        """Init lineage info."""
+        # train
+        self._lineage_info[self._name_model] = {}
+        self._lineage_info[self._name_algorithm] = {}
+        self._lineage_info[self._name_hyper_parameters] = {}
+        self._lineage_info[self._name_train_dataset] = {}
+
+        # eval
+        self._lineage_info[self._name_metric] = {}
+        self._lineage_info[self._name_valid_dataset] = {}
+
+        # dataset graph
+        self._lineage_info[self._name_dataset_graph] = {}
+
+        # user defined
+        self._lineage_info[self._name_user_defined] = {}
+
+    def parse_and_update_lineage(self, **kwargs):
+        """Parse and update lineage."""
         user_defined_info_list = kwargs.get('user_defined_info', [])
         train_lineage = kwargs.get('train_lineage')
         evaluation_lineage = kwargs.get('evaluation_lineage')
@@ -92,6 +116,7 @@ class LineageObj:
         self._parse_train_lineage(train_lineage)
         self._parse_evaluation_lineage(evaluation_lineage)
         self._parse_dataset_graph(dataset_graph)
+
         self._filtration_result = self._organize_filtration_result()
 
     @property
@@ -309,10 +334,6 @@ class LineageObj:
             train_lineage (Event): Train lineage.
         """
         if train_lineage is None:
-            self._lineage_info[self._name_model] = {}
-            self._lineage_info[self._name_algorithm] = {}
-            self._lineage_info[self._name_hyper_parameters] = {}
-            self._lineage_info[self._name_train_dataset] = {}
             return
 
         event_dict = MessageToDict(
@@ -341,8 +362,6 @@ class LineageObj:
             evaluation_lineage (Event): Evaluation lineage.
         """
         if evaluation_lineage is None:
-            self._lineage_info[self._name_metric] = {}
-            self._lineage_info[self._name_valid_dataset] = {}
             return
 
         event_dict = MessageToDict(
@@ -364,9 +383,7 @@ class LineageObj:
         Args:
             dataset_graph (Event): Dataset graph.
         """
-        if dataset_graph is None:
-            self._lineage_info[self._name_dataset_graph] = {}
-        else:
+        if dataset_graph is not None:
             # convert message to dict
             event_dict = organize_graph(dataset_graph.dataset_graph)
             if event_dict is None:
@@ -380,6 +397,8 @@ class LineageObj:
         Args:
             user_defined_info_list (list): user defined info list.
         """
+        if not user_defined_info_list:
+            return
         user_defined_infos = dict()
         for user_defined_info in user_defined_info_list:
             user_defined_infos.update(user_defined_info)
diff --git a/mindinsight/lineagemgr/summary/lineage_summary_analyzer.py b/mindinsight/lineagemgr/summary/lineage_summary_analyzer.py
index 7d183b3917ab8eca06b53b5098d6586844dccf3f..fe8e84df1535a3f60f04e71823f3e8f1aa977cad 100644
--- a/mindinsight/lineagemgr/summary/lineage_summary_analyzer.py
+++ b/mindinsight/lineagemgr/summary/lineage_summary_analyzer.py
@@ -204,11 +204,9 @@ class LineageSummaryAnalyzer(SummaryAnalyzer):
         try:
             lineage_info = analyzer.get_latest_info()
         except (MindInsightException, IOError, DecodeError) as err:
-            log.error("Failed to get lineage information.")
             log.exception(err)
             raise LineageSummaryAnalyzeException()
         except Exception as err:
-            log.error("Failed to get lineage information.")
             log.exception(err)
             raise LineageSummaryAnalyzeException()
 
diff --git a/tests/st/func/lineagemgr/api/test_model_api.py b/tests/st/func/lineagemgr/api/test_model_api.py
index 516479fc1dfa9f61bf41d5d8f8e1659a4064ad12..0bd9cc668918991758c34de5eb31b874f1302a0e 100644
--- a/tests/st/func/lineagemgr/api/test_model_api.py
+++ b/tests/st/func/lineagemgr/api/test_model_api.py
@@ -111,26 +111,26 @@ LINEAGE_FILTRATION_RUN1 = {
 LINEAGE_FILTRATION_RUN2 = {
     'summary_dir': os.path.join(BASE_SUMMARY_DIR, 'run2'),
     'model_lineage': {
-        'loss_function': None,
+        'loss_function': "SoftmaxCrossEntropyWithLogits",
         'train_dataset_path': None,
-        'train_dataset_count': None,
+        'train_dataset_count': 1024,
         'test_dataset_path': None,
         'test_dataset_count': 10240,
         'user_defined': {},
-        'network': None,
-        'optimizer': None,
-        'learning_rate': None,
-        'epoch': None,
-        'batch_size': None,
-        'device_num': None,
-        'loss': None,
-        'model_size': None,
+        'network': "ResNet",
+        'optimizer': "Momentum",
+        'learning_rate': 0.11999999731779099,
+        'epoch': 10,
+        'batch_size': 32,
+        'device_num': 2,
+        'loss': 0.029999999329447746,
+        'model_size': 10,
         'metric': {
             'accuracy': 2.7800000000000002
         },
         'dataset_mark': 3
     },
-    'dataset_graph': {}
+    'dataset_graph': DATASET_GRAPH
 }
 
 
@@ -460,9 +460,10 @@ class TestModelApi(TestCase):
             'customized': event_data.CUSTOMIZED__0,
             'object': [
                 LINEAGE_FILTRATION_EXCEPT_RUN,
-                LINEAGE_FILTRATION_RUN1
+                LINEAGE_FILTRATION_RUN1,
+                LINEAGE_FILTRATION_RUN2
             ],
-            'count': 2
+            'count': 3
         }
         partial_res1 = filter_summary_lineage(BASE_SUMMARY_DIR, search_condition1)
         expect_objects = expect_result.get('object')
@@ -746,7 +747,7 @@ class TestModelApi(TestCase):
         expect_result = {
             'customized': {},
             'object': [],
-            'count': 1
+            'count': 2
         }
         partial_res2 = filter_summary_lineage(BASE_SUMMARY_DIR, search_condition2)
         assert expect_result == partial_res2
diff --git a/tests/st/func/lineagemgr/collection/model/test_model_lineage.py b/tests/st/func/lineagemgr/collection/model/test_model_lineage.py
index 83645d39f47ba35d3c812d8b8886ddbe8a9a2e47..00d98beb2e72f562cb4243e8d838db61ef9e40f8 100644
--- a/tests/st/func/lineagemgr/collection/model/test_model_lineage.py
+++ b/tests/st/func/lineagemgr/collection/model/test_model_lineage.py
@@ -32,8 +32,7 @@ from mindinsight.lineagemgr import get_summary_lineage
 from mindinsight.lineagemgr.collection.model.model_lineage import TrainLineage, EvalLineage, \
     AnalyzeObject
 from mindinsight.lineagemgr.common.exceptions.error_code import LineageErrors
-from mindinsight.lineagemgr.common.exceptions.exceptions import LineageParamRunContextError, \
-    LineageFileNotFoundError
+from mindinsight.lineagemgr.common.exceptions.exceptions import LineageParamRunContextError
 from mindinsight.utils.exceptions import MindInsightException
 from mindspore.application.model_zoo.resnet import ResNet
 from mindspore.common.tensor import Tensor
@@ -343,5 +342,3 @@ class TestModelLineage(TestCase):
         full_file_name = summary_record.full_file_name
         assert full_file_name.endswith('_lineage')
         assert os.path.isfile(full_file_name)
-        with self.assertRaisesRegex(LineageFileNotFoundError, 'no summary log file'):
-            get_summary_lineage(summary_dir)
diff --git a/tests/ut/lineagemgr/api/test_model.py b/tests/ut/lineagemgr/api/test_model.py
index 34f0e6c7385bb336927a9a73e77ac13c8a06a9db..0cab9d8f484b6c313eebcc32166ec1c661f169f3 100644
--- a/tests/ut/lineagemgr/api/test_model.py
+++ b/tests/ut/lineagemgr/api/test_model.py
@@ -54,10 +54,10 @@ class TestModel(TestCase):
         )
 
     @mock.patch('mindinsight.lineagemgr.common.utils.validate_path')
-    @mock.patch.object(SummaryPathParser, 'get_latest_lineage_summary')
+    @mock.patch.object(SummaryPathParser, 'get_lineage_summaries')
     def test_get_summary_lineage_failed2(self, mock_summary, mock_valid):
         """Test get_summary_lineage failed."""
-        mock_summary.return_value = None
+        mock_summary.return_value = []
         mock_valid.return_value = '/path/to/summary/dir'
         self.assertRaisesRegex(
             LineageFileNotFoundError,
@@ -66,17 +66,21 @@ class TestModel(TestCase):
             '/path/to/summary_dir'
         )
 
+    @mock.patch('mindinsight.lineagemgr.lineage_parser.FileHandler')
     @mock.patch('mindinsight.lineagemgr.lineage_parser.LineageParser._parse_summary_log')
     @mock.patch('mindinsight.lineagemgr.common.utils.validate_path')
-    @mock.patch.object(SummaryPathParser, 'get_latest_lineage_summary')
+    @mock.patch.object(SummaryPathParser, 'get_lineage_summaries')
     def test_get_summary_lineage_failed3(self,
                                          mock_summary,
                                          mock_valid,
-                                         mock_paser):
+                                         mock_parser,
+                                         mock_file_handler):
         """Test get_summary_lineage failed."""
-        mock_summary.return_value = '/path/to/summary/file'
+        mock_summary.return_value = ['/path/to/summary/file']
         mock_valid.return_value = '/path/to/summary_dir'
-        mock_paser.return_value = None
+        mock_parser.return_value = None
+        mock_file_handler = MagicMock()
+        mock_file_handler.size = 1
         result = get_summary_lineage('/path/to/summary_dir')
         assert {} == result
 
@@ -127,7 +131,7 @@ class TestFilterAPI(TestCase):
     """Test the function of filter_summary_lineage."""
     @mock.patch('mindinsight.lineagemgr.api.model.LineageOrganizer')
     @mock.patch('mindinsight.lineagemgr.api.model.Querier')
-    @mock.patch('mindinsight.lineagemgr.lineage_parser.SummaryPathParser.get_latest_lineage_summary')
+    @mock.patch('mindinsight.lineagemgr.lineage_parser.SummaryPathParser.get_lineage_summaries')
     @mock.patch('mindinsight.lineagemgr.api.model._convert_relative_path_to_abspath')
     @mock.patch('mindinsight.lineagemgr.api.model.normalize_summary_dir')
     def test_filter_summary_lineage(self, validate_path_mock, convert_path_mock,
@@ -198,11 +202,11 @@ class TestFilterAPI(TestCase):
     @mock.patch('mindinsight.lineagemgr.api.model.validate_search_model_condition')
     @mock.patch('mindinsight.lineagemgr.api.model.validate_condition')
     @mock.patch('mindinsight.lineagemgr.api.model.normalize_summary_dir')
-    @mock.patch.object(SummaryPathParser, 'get_latest_lineage_summary')
+    @mock.patch.object(SummaryPathParser, 'get_lineage_summaries')
     def test_failed_to_get_summary_filesh(self, mock_parse, *args):
         """Test filter_summary_lineage with invalid invalid param."""
         path = '/path/to/summary/dir'
-        mock_parse.return_value = None
+        mock_parse.return_value = []
         args[0].return_value = path
         self.assertRaisesRegex(
             LineageFileNotFoundError,
@@ -215,7 +219,7 @@ class TestFilterAPI(TestCase):
     @mock.patch('mindinsight.lineagemgr.api.model.validate_search_model_condition')
     @mock.patch('mindinsight.lineagemgr.api.model.validate_condition')
     @mock.patch('mindinsight.lineagemgr.api.model.normalize_summary_dir')
-    @mock.patch.object(SummaryPathParser, 'get_latest_lineage_summaries')
+    @mock.patch.object(SummaryPathParser, 'get_lineage_summaries')
     @mock.patch('mindinsight.lineagemgr.api.model.Querier')
     def test_failed_to_querier(self, mock_query, mock_parse, *args):
         """Test filter_summary_lineage with invalid invalid param."""
diff --git a/tests/ut/lineagemgr/common/test_path_parser.py b/tests/ut/lineagemgr/common/test_path_parser.py
index 7e9f6371d7057c4bd807c343b9cb7f55656fbafd..d81cff209a9c261a46b32b88043bfe8d5f796b0e 100644
--- a/tests/ut/lineagemgr/common/test_path_parser.py
+++ b/tests/ut/lineagemgr/common/test_path_parser.py
@@ -33,19 +33,19 @@ MOCK_SUMMARY_DIRS = [
 ]
 MOCK_SUMMARIES = [
     {
-        'file_name': 'file0',
+        'file_name': 'file0.summary.1',
         'create_time': datetime.fromtimestamp(1582031970)
     },
     {
-        'file_name': 'file0_lineage',
+        'file_name': 'file0.summary.1_lineage',
         'create_time': datetime.fromtimestamp(1582031970)
     },
     {
-        'file_name': 'file1',
+        'file_name': 'file1.summary.2',
         'create_time': datetime.fromtimestamp(1582031971)
     },
     {
-        'file_name': 'file1_lineage',
+        'file_name': 'file1.summary.2_lineage',
         'create_time': datetime.fromtimestamp(1582031971)
     }
 ]
@@ -54,92 +54,54 @@ MOCK_SUMMARIES = [
 class TestSummaryPathParser(TestCase):
     """Test the class of SummaryPathParser."""
 
-    @mock.patch.object(SummaryWatcher, 'list_summary_directories')
-    def test_get_summary_dirs(self, *args):
-        """Test the function of get_summary_dirs."""
-        args[0].return_value = MOCK_SUMMARY_DIRS
-
-        expected_result = [
-            '/path/to/base/relative_path0',
-            '/path/to/base',
-            '/path/to/base/relative_path1'
-        ]
-        base_dir = '/path/to/base'
-        result = SummaryPathParser.get_summary_dirs(base_dir)
-        self.assertListEqual(expected_result, result)
-
-        args[0].return_value = []
-        result = SummaryPathParser.get_summary_dirs(base_dir)
-        self.assertListEqual([], result)
-
     @mock.patch.object(SummaryWatcher, 'list_summaries')
-    def test_get_latest_lineage_summary(self, *args):
-        """Test the function of get_latest_lineage_summary."""
+    def test_get_lineage_summaries(self, *args):
+        """Test the function of get_lineage_summaries."""
         args[0].return_value = MOCK_SUMMARIES
+        exp_result = ['file0.summary.1_lineage', 'file1.summary.2_lineage']
         summary_dir = '/path/to/summary_dir'
-        result = SummaryPathParser.get_latest_lineage_summary(summary_dir)
-        self.assertEqual('/path/to/summary_dir/file1_lineage', result)
+        result = SummaryPathParser.get_lineage_summaries(summary_dir)
+        self.assertEqual(exp_result, result)
 
         args[0].return_value = [
             {
-                'file_name': 'file0',
+                'file_name': 'file0.summary.1',
                 'create_time': datetime.fromtimestamp(1582031970)
             }
         ]
-        result = SummaryPathParser.get_latest_lineage_summary(summary_dir)
-        self.assertEqual(None, result)
+        result = SummaryPathParser.get_lineage_summaries(summary_dir)
+        self.assertEqual([], result)
 
         args[0].return_value = [
             {
-                'file_name': 'file0_lineage',
+                'file_name': 'file0.summary.1_lineage',
                 'create_time': datetime.fromtimestamp(1582031970)
             }
         ]
-        result = SummaryPathParser.get_latest_lineage_summary(summary_dir)
-        self.assertEqual(None, result)
+        result = SummaryPathParser.get_lineage_summaries(summary_dir)
+        self.assertEqual(['file0.summary.1_lineage'], result)
 
         args[0].return_value = [
             {
-                'file_name': 'file0_lineage',
+                'file_name': 'file0.summary.3_lineage',
                 'create_time': datetime.fromtimestamp(1582031970)
             },
             {
-                'file_name': 'file0_lineage_lineage',
+                'file_name': 'file0.summary.2_lineage_lineage',
                 'create_time': datetime.fromtimestamp(1582031970)
             },
             {
-                'file_name': 'file1_lineage',
+                'file_name': 'file1.summary.1_lineage',
                 'create_time': datetime.fromtimestamp(1582031971)
             },
             {
-                'file_name': 'file1_lineage_lineage',
+                'file_name': 'file1.summary.7_lineage_lineage',
                 'create_time': datetime.fromtimestamp(1582031971)
             }
         ]
-        result = SummaryPathParser.get_latest_lineage_summary(summary_dir)
-        self.assertEqual('/path/to/summary_dir/file1_lineage_lineage', result)
-
-    @mock.patch.object(SummaryWatcher, 'list_summaries')
-    @mock.patch.object(SummaryWatcher, 'list_summary_directories')
-    def test_get_latest_lineage_summaries(self, *args):
-        """Test the function of get_latest_lineage_summaries."""
-        args[0].return_value = MOCK_SUMMARY_DIRS
-        args[1].return_value = MOCK_SUMMARIES
-
-        expected_result = [
-            '/path/to/base/relative_path0/file1_lineage',
-            '/path/to/base/file1_lineage',
-            '/path/to/base/relative_path1/file1_lineage'
-        ]
-        base_dir = '/path/to/base'
-        result = SummaryPathParser.get_latest_lineage_summaries(base_dir)
-        self.assertListEqual(expected_result, result)
-
-        args[1].return_value = [
-            {
-                'file_name': 'file0_lineage',
-                'create_time': datetime.fromtimestamp(1582031970)
-            }
-        ]
-        result = SummaryPathParser.get_latest_lineage_summaries(base_dir)
-        self.assertListEqual([], result)
+        exp_result = ['file1.summary.1_lineage',
+                      'file0.summary.2_lineage_lineage',
+                      'file0.summary.3_lineage',
+                      'file1.summary.7_lineage_lineage']
+        result = SummaryPathParser.get_lineage_summaries(summary_dir, is_sorted=True)
+        self.assertEqual(exp_result, result)
diff --git a/tests/ut/lineagemgr/querier/test_querier.py b/tests/ut/lineagemgr/querier/test_querier.py
index 65b9be24572c84185135c07691c5ab0e0e2f6045..a972dde0321b9268bd6bc742f35b37c2cfe13b89 100644
--- a/tests/ut/lineagemgr/querier/test_querier.py
+++ b/tests/ut/lineagemgr/querier/test_querier.py
@@ -16,6 +16,7 @@
 import time
 
 from unittest import TestCase, mock
+from unittest.mock import MagicMock
 
 from google.protobuf.json_format import ParseDict
 
@@ -248,11 +249,12 @@ LINEAGE_FILTRATION_6 = {
 class TestQuerier(TestCase):
     """Test the class of `Querier`."""
 
-    @mock.patch('mindinsight.lineagemgr.lineage_parser.SummaryPathParser.get_latest_lineage_summary')
+    @mock.patch('mindinsight.lineagemgr.lineage_parser.SummaryPathParser.get_lineage_summaries')
     @mock.patch('mindinsight.lineagemgr.lineage_parser.SummaryWatcher.list_summary_directories')
     @mock.patch('mindinsight.lineagemgr.lineage_parser.LineageSummaryAnalyzer.get_user_defined_info')
     @mock.patch('mindinsight.lineagemgr.lineage_parser.LineageSummaryAnalyzer.get_summary_infos')
-    def setUp(self, *args):
+    @mock.patch('mindinsight.lineagemgr.lineage_parser.FileHandler')
+    def setUp(self, mock_file_handler, *args):
         """Initialization before test case execution."""
         args[0].return_value = create_lineage_info(
             event_data.EVENT_TRAIN_DICT_0,
@@ -260,7 +262,10 @@ class TestQuerier(TestCase):
             event_data.EVENT_DATASET_DICT_0
         )
         args[1].return_value = []
-        args[3].return_value = 'path'
+        args[3].return_value = ['path']
+        mock_file_handler = MagicMock()
+        mock_file_handler.size = 1
+
 
         args[2].return_value = [{'relative_path': './', 'update_time': 1}]
         single_summary_path = '/path/to/summary0'