diff --git a/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/consts.py b/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/consts.py
index 460f508190223790ce056973c910166ea887b6f0..14ca1a8b0f6563b08a82ef90fdcf9b147c5008ff 100644
--- a/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/consts.py
+++ b/plugins/tensorboard-plugins/tb_plugin/torch_tb_profiler/consts.py
@@ -29,7 +29,7 @@ WORKER_PATTERN = re.compile(r"""^(.*?) # worker name
         (?:\.gz)?$""", re.X)  # optional .gz extension
 
 TRACE_PATTERN = re.compile(r"""^trace_view\.json(\.gz)?$""")
-WORKER_SPAN_PATTERN = re.compile(r"""([^\\]*)_(\d+)_ascend_pt$""")
+WORKER_SPAN_PATTERN = re.compile(r"""([^\\]*)_(\d+(\.\d+)?)_ascend_pt$""")
 
 NODE_PROCESS_PATTERN = re.compile(r"""^(.*)_(\d+)""")
 MONITOR_RUN_REFRESH_INTERNAL_IN_SECONDS = 10