diff --git a/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/plugin.py b/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/plugin.py
index fcfaf7860da0809bbeb730ace79aaf766cd6a386..d0c6dd86375894518b8c6c3a31bc2565e94ee302 100644
--- a/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/plugin.py
+++ b/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/plugin.py
@@ -151,6 +151,9 @@ class TorchProfilerPlugin(base_plugin.TBPlugin):
         view = request.args.get('view')
         self._validate(run=name, view=view)
         run = self._get_run(name)
+        # Required datas are in file 'trace_view.json' in Ascend.
+        if run.device_target == 'Ascend' and view == 'Overview':
+            view = 'Trace'
         return self.respond_as_json(run.get_workers(view))
 
     @wrappers.Request.application
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 32a7ce3230537682154bb004dc6ab1ae937ab97b..f1574b226e61c3a71cdb8dc28dc5e7528bf485b0 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
@@ -30,7 +30,8 @@ class RunLoader(object):
         spans_by_workers = defaultdict(list)
         if self.device_target == 'Ascend':
             for path in io.listdir(self.run_dir):
-                if io.isdir(io.join(self.run_dir, path)) and utils.is_worker_span_dir(path):
+                if io.isdir(io.join(self.run_dir, path)) and utils.is_worker_span_dir(path) and io.isdir(
+                        io.join(self.run_dir, path, 'ASCEND_PROFILER_OUTPUT')):
                     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 (
diff --git a/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/profiler/run_generator.py b/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/profiler/run_generator.py
index 09e38c03e590d66cac90aea9a691ea04a382d55c..f48495d50dd34b59378bc9800c17107788d099af 100644
--- a/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/profiler/run_generator.py
+++ b/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/profiler/run_generator.py
@@ -35,7 +35,6 @@ class RunGenerator(object):
         profile_run.has_communication = self.profile_data.has_communication
         profile_run.has_memcpy_or_memset = self.profile_data.has_memcpy_or_memset
         profile_run.profiler_start_ts = self.profile_data.profiler_start_ts
-        profile_run.overview = self._generate_overview()
 
         if self.device_target != 'Ascend':
             profile_run.views.append(consts.OVERALL_VIEW)
diff --git a/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/run.py b/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/run.py
index 7d4e23503f0f20bc50fe09a3b2cc5375150985f4..59dd82ecb73b29c0f3d5f94ca5c17294248679fc 100644
--- a/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/run.py
+++ b/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/run.py
@@ -48,9 +48,9 @@ class Run(object):
                 if v.display_name == view:
                     worker_set.add(profile.worker)
                     if not temp_span_view.get(profile.worker):
-                        temp_span_view[profile.worker] = [profile.span]
+                        temp_span_view[profile.worker] = [str(profile.span)]
                     else:
-                        temp_span_view[profile.worker].append(profile.span)
+                        temp_span_view[profile.worker].append(str(profile.span))
                     break
         self.span_view = temp_span_view
         return sorted(list(worker_set))