diff --git a/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/profiler/data.py b/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/profiler/data.py
index b3d402b25e39a2b8d21e714c0b49b616e26c0a3c..2823d2b6bd3ac28e51af2f9898d8807e624dd033 100644
--- a/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/profiler/data.py
+++ b/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/profiler/data.py
@@ -235,7 +235,7 @@ class RunProfileData(object):
         start_ts = float('inf')
         for i in reversed(range(len(event_list))):
             if event_list[i].get('ts') is not None:
-                start_ts = min(start_ts, event_list[i]['ts'])
+                start_ts = min(start_ts, float(event_list[i]['ts']))
             if device_target != 'Ascend':
                 if event_list[i]['name'] == 'Record Window End':
                     end_index = i
diff --git a/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/profiler/loader.py b/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/profiler/loader.py
index ce615c827fb7b53ff05df5e686ae468b8beac327..1166abed6c6eaa3e4f867fe2d0c2ba4572d75afa 100644
--- a/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/profiler/loader.py
+++ b/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/profiler/loader.py
@@ -52,7 +52,7 @@ class RunLoader(object):
                     data_path = io.join(self.run_dir, path, 'ASCEND_PROFILER_OUTPUT')
                     for file in io.listdir(data_path):
                         if utils.is_npu_trace_path(file) or str(file) in (
-                                'kernel_details.csv', 'memory_record.csv', 'memory_record.csv',
+                                'kernel_details.csv', 'memory_record.csv', 'operator_memory.csv',
                                 'operator_details.csv'):
                             match = consts.WORKER_SPAN_PATTERN.match(path)
                             worker = match.group(1)